Module:Citation/CS1: Difference between revisions

    m>Trappist the monk
    (Disabled get_coins_pages() while debugging;)
    m>Redrose64
    (Undid revision 622602243 by Trappist the monk (talk) breaks harv linking for editors - see Help talk:CS1 errors#CITEREF and the editor parameter)
    Line 1: Line 1:
    local z = {
    local z = {
    error_categories = {};
        error_categories = {};
    error_ids = {};
        error_ids = {};
    message_tail = {};
        message_tail = {};
    }
    }
    -- Include translation message hooks, ID and error handling configuration settings.
    --local cfg = mw.loadData( 'Module:Citation/CS1/Configuration/sandbox' );
    -- Contains a list of all recognized parameters
    --local whitelist = mw.loadData( 'Module:Citation/CS1/Whitelist/sandbox' );
    --local dates = require('Module:Citation/CS1/Date_validation/sandbox').dates -- location of date validation code


    -- Whether variable is set or not
    -- Whether variable is set or not
    function is_set( var )
    function is_set( var )
    return not (var == nil or var == '');
        return not (var == nil or var == '');
    end
    end


    -- First set variable or nil if none
    -- First set variable or nil if none
    function first_set(...)
    function first_set(...)
    local list = {...};
        local list = {...};
    for _, var in pairs(list) do
        for _, var in pairs(list) do
    if is_set( var ) then
            if is_set( var ) then
    return var;
                return var;
    end
            end
    end
        end
    end
    end


    -- Whether needle is in haystack
    -- Whether needle is in haystack
    function inArray( needle, haystack )
    function inArray( needle, haystack )
    if needle == nil then
        if needle == nil then
    return false;
            return false;
    end
        end
    for n,v in ipairs( haystack ) do
        for n,v in ipairs( haystack ) do
    if v == needle then
            if v == needle then
    return n;
                return n;
    end
            end
    end
        end
    return false;
        return false;
    end
    end


    Line 36: Line 44:
    Categorize and emit an error message when the citation contains one or more deprecated parameters.  Because deprecated parameters (currently |day=, |month=,
    Categorize and emit an error message when the citation contains one or more deprecated parameters.  Because deprecated parameters (currently |day=, |month=,
    |coauthor=, and |coauthors=) aren't related to each other and because these parameters may be concatenated into the variables used by |date= and |author#= (and aliases)
    |coauthor=, and |coauthors=) aren't related to each other and because these parameters may be concatenated into the variables used by |date= and |author#= (and aliases)
    details of which parameter caused the error message are not provided.  Only one error message is emitted regardless of the number of deprecated parameters in the citation.
    details of which parameter caused the error message are not provided.  Only one error message is emitted regarless of the number of deprecated parameters in the citation.
    ]]
    ]]
    function deprecated_parameter()
    function deprecated_parameter()
    Line 73: Line 81:
    -- Wraps a string using a message_list configuration taking one argument
    -- Wraps a string using a message_list configuration taking one argument
    function wrap( key, str, lower )
    function wrap( key, str, lower )
    if not is_set( str ) then
        if not is_set( str ) then
    return "";
            return "";
    elseif inArray( key, { 'italic-title', 'trans-italic-title' } ) then
        elseif inArray( key, { 'italic-title', 'trans-italic-title' } ) then
    str = safeforitalics( str );
            str = safeforitalics( str );
    end
        end
    if lower == true then
        if lower == true then
    return substitute( cfg.messages[key]:lower(), {str} );
            return substitute( cfg.messages[key]:lower(), {str} );
    else
        else
    return substitute( cfg.messages[key], {str} );
            return substitute( cfg.messages[key], {str} );
    end
        end      
    end
    end


    Line 91: Line 99:
    ]]
    ]]
    function argument_wrapper( args )
    function argument_wrapper( args )
    local origin = {};
        local origin = {};
       
    return setmetatable({
        return setmetatable({
    ORIGIN = function( self, k )
            ORIGIN = function( self, k )
    local dummy = self[k]; --force the variable to be loaded.
                local dummy = self[k]; --force the variable to be loaded.
    return origin[k];
                return origin[k];
    end
            end
    },
        },
    {
        {
    __index = function ( tbl, k )
            __index = function ( tbl, k )
    if origin[k] ~= nil then
                if origin[k] ~= nil then
    return nil;
                    return nil;
    end
                end
               
    local args, list, v = args, cfg.aliases[k];
                local args, list, v = args, cfg.aliases[k];
               
    if type( list ) == 'table' then
                if type( list ) == 'table' then
    v, origin[k] = selectone( args, list, 'redundant_parameters' );
                    v, origin[k] = selectone( args, list, 'redundant_parameters' );
    if origin[k] == nil then
                    if origin[k] == nil then
    origin[k] = ''; -- Empty string, not nil
                        origin[k] = ''; -- Empty string, not nil
    end
                    end
    elseif list ~= nil then
                elseif list ~= nil then
    v, origin[k] = args[list], list;
                    v, origin[k] = args[list], list;
    else
                else
    -- maybe let through instead of raising an error?
                    -- maybe let through instead of raising an error?
    -- v, origin[k] = args[k], k;
                    -- v, origin[k] = args[k], k;
    error( cfg.messages['unknown_argument_map'] );
                    error( cfg.messages['unknown_argument_map'] );
    end
                end
               
    -- Empty strings, not nil;
                -- Empty strings, not nil;
    if v == nil then
                if v == nil then
    v = cfg.defaults[k] or '';
                    v = cfg.defaults[k] or '';
    origin[k] = '';
                    origin[k] = '';
    end
                end
               
    tbl = rawset( tbl, k, v );
                tbl = rawset( tbl, k, v );
    return v;
                return v;
    end,
            end,
    });
        });
    end
    end


    Line 165: Line 173:
    -- Formats a comment for error trapping
    -- Formats a comment for error trapping
    function errorcomment( content, hidden )
    function errorcomment( content, hidden )
    return wrap( hidden and 'hidden-error' or 'visible-error', content );
        return wrap( hidden and 'hidden-error' or 'visible-error', content );
    end
    end


    Line 173: Line 181:
    ]]
    ]]
    function seterror( error_id, arguments, raw, prefix, suffix )
    function seterror( error_id, arguments, raw, prefix, suffix )
    local error_state = cfg.error_conditions[ error_id ];
        local error_state = cfg.error_conditions[ error_id ];
       
    prefix = prefix or "";
        prefix = prefix or "";
    suffix = suffix or "";
        suffix = suffix or "";
       
    if error_state == nil then
        if error_state == nil then
    error( cfg.messages['undefined_error'] );
            error( cfg.messages['undefined_error'] );
    elseif is_set( error_state.category ) then
        elseif is_set( error_state.category ) then
    table.insert( z.error_categories, error_state.category );
            table.insert( z.error_categories, error_state.category );
    end
        end
       
    local message = substitute( error_state.message, arguments );
        local message = substitute( error_state.message, arguments );
       
    message = message .. " ([[" .. cfg.messages['help page link'] ..  
        message = message .. " ([[" .. cfg.messages['help page link'] ..  
    "#" .. error_state.anchor .. "|" ..
            "#" .. error_state.anchor .. "|" ..
    cfg.messages['help page label'] .. "]])";
            cfg.messages['help page label'] .. "]])";
       
    z.error_ids[ error_id ] = true;
        z.error_ids[ error_id ] = true;
    if inArray( error_id, { 'bare_url_missing_title', 'trans_missing_title' } )
        if inArray( error_id, { 'bare_url_missing_title', 'trans_missing_title' } )
    and z.error_ids['citation_missing_title'] then
                and z.error_ids['citation_missing_title'] then
    return '', false;
            return '', false;
    end
        end
       
    message = table.concat({ prefix, message, suffix });
        message = table.concat({ prefix, message, suffix });
       
    if raw == true then
        if raw == true then
    return message, error_state.hidden;
            return message, error_state.hidden;
    end
        end      
           
    return errorcomment( message, error_state.hidden );
        return errorcomment( message, error_state.hidden );
    end
    end


    -- Formats a wiki style external link
    -- Formats a wiki style external link
    function externallinkid(options)
    function externallinkid(options)
    local url_string = options.id;
        local url_string = options.id;
    if options.encode == true or options.encode == nil then
        if options.encode == true or options.encode == nil then
    url_string = mw.uri.encode( url_string );
            url_string = mw.uri.encode( url_string );
    end
        end
    return mw.ustring.format( '[[%s|%s]]%s[%s%s%s %s]',
        return mw.ustring.format( '[[%s|%s]]%s[%s%s%s %s]',
    options.link, options.label, options.separator or " ",
            options.link, options.label, options.separator or " ",
    options.prefix, url_string, options.suffix or "",
            options.prefix, url_string, options.suffix or "",
    mw.text.nowiki(options.id)
            mw.text.nowiki(options.id)
    );
        );
    end
    end


    -- Formats a wiki style internal link
    -- Formats a wiki style internal link
    function internallinkid(options)
    function internallinkid(options)
    return mw.ustring.format( '[[%s|%s]]%s[[%s%s%s|%s]]',
        return mw.ustring.format( '[[%s|%s]]%s[[%s%s%s|%s]]',
    options.link, options.label, options.separator or " ",
            options.link, options.label, options.separator or " ",
    options.prefix, options.id, options.suffix or "",
            options.prefix, options.id, options.suffix or "",
    mw.text.nowiki(options.id)
            mw.text.nowiki(options.id)
    );
        );
    end
    end


    -- Format an external link with error checking
    -- Format an external link with error checking
    function externallink( URL, label, source )
    function externallink( URL, label, source )
    local error_str = "";
        local error_str = "";
    if not is_set( label ) then
        if not is_set( label ) then
    label = URL;
            label = URL;
    if is_set( source ) then
            if is_set( source ) then
    error_str = seterror( 'bare_url_missing_title', { wrap( 'parameter', source ) }, false, " " );
                error_str = seterror( 'bare_url_missing_title', { wrap( 'parameter', source ) }, false, " " );
    else
            else
    error( cfg.messages["bare_url_no_origin"] );
                error( cfg.messages["bare_url_no_origin"] );
    end
            end          
    end
        end
    if not checkurl( URL ) then
        if not checkurl( URL ) then
    error_str = seterror( 'bad_url', {}, false, " " ) .. error_str;
            error_str = seterror( 'bad_url', {}, false, " " ) .. error_str;
    end
        end
    return table.concat({ "[", URL, " ", safeforurl( label ), "]", error_str });
        return table.concat({ "[", URL, " ", safeforurl( label ), "]", error_str });
    end
    end


    -- Formats a link to Amazon
    -- Formats a link to Amazon
    function amazon(id, domain)
    function amazon(id, domain)
    if not is_set(domain) then  
        if not is_set(domain) then  
    domain = "com"
            domain = "com"
    elseif ( "jp" == domain or "uk" == domain ) then
        elseif ( "jp" == domain or "uk" == domain ) then
    domain = "co." .. domain
            domain = "co." .. domain
    end
        end
    local handler = cfg.id_handlers['ASIN'];
        local handler = cfg.id_handlers['ASIN'];
    return externallinkid({link = handler.link,
        return externallinkid({link = handler.link,
    label=handler.label , prefix="//www.amazon."..domain.."/dp/",id=id,
            label=handler.label , prefix="//www.amazon."..domain.."/dp/",id=id,
    encode=handler.encode, separator = handler.separator})
            encode=handler.encode, separator = handler.separator})
    end
     
    --[[
    format and error check arXiv identifier.  There are two valid forms of the identifier:
    the first form, valid only between date codes 9108 and 0703 is:
    arXiv:<archive>.<class>/<date code><number><version>
    where:
    <archive> is a string of alpha characters - may be hyphenated; no other punctuation
    <class> is a string of alpha characters - may be hyphenated; no other punctuation
    <date code> is four digits in the form YYMM where YY is the last two digits of the four-digit year and MM is the month number January = 01
    first digit of YY for this form can only 9 and 0
    <number> is a three-digit number
    <version> is a 1 or more digit number preceded with a lowercase v; no spaces (undocumented)
    the second form, valid from April 2007 is:
    arXiv:<date code>.<number><version>
    where:
    <date code> is four digits in the form YYMM where YY is the last two digits of the four-digit year and MM is the month number January = 01
    <number> is a four-digit number
    <version> is a 1 or more digit number preceded with a lowercase v; no spaces
    ]]
     
    function arxiv (id)
    local handler = cfg.id_handlers['ARXIV'];
    local year, month, version;
    local err_cat = ""
    year, month, version = id:match("^%a[%a%.%-]+/([90]%d)([01]%d)%d%d%d([v%d]*)$"); -- test for the 9108-0703 format
    if not year then -- arXiv id is not proper 9108-0703 form
    year, month, version = id:match("^(%d%d)([01]%d)%.%d%d%d%d([v%d]*)$"); -- test for the 0704- format
    if not year then
    err_cat = ' ' .. seterror( 'bad_arxiv' ); -- arXiv id doesn't match either format
    else -- id is the 0704- format
    year = tonumber(year);
    month = tonumber(month);
    if ((7 > year) or (1 > month and 12 < month)) or -- is year invalid or is month invalid? (doesn't test for future years)
    ((7 == year) and (4 > month)) or -- when year is 07, is month invalid (before April)?
    is_set (version) and nil == version:match("v%d+") then -- is version proper format of single 'v' followed by digits?
    err_cat = ' ' .. seterror( 'bad_arxiv' ); -- set error message
    end
    end
    else -- id is the 9108-0703 format; are the date values ok
    year = tonumber(year);
    month = tonumber(month);
    if ((91 > year and 7 < year) or (1 > month and 12 < month)) or -- if invalid year or invalid month
    ((91 == year and 8 > month) or (7 == year and 3 < month)) or -- if years ok, are starting and ending months ok?
    is_set (version) and nil == version:match("v%d+") then -- is version proper format of single 'v' followed by digits?
    err_cat = ' ' .. seterror( 'bad_arxiv' ); -- set error message
    end
    end
     
    return externallinkid({link = handler.link, label = handler.label,
    prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode}) .. err_cat;
    end
    end
    --[[
    lccn normalization (http://www.loc.gov/marc/lccn-namespace.html#normalization)
    1. Remove all blanks.
    2. If there is a forward slash (/) in the string, remove it, and remove all characters to the right of the forward slash.
    3. If there is a hyphen in the string:
    a. Remove it.
    b. Inspect the substring following (to the right of) the (removed) hyphen. Then (and assuming that steps 1 and 2 have been carried out):
    1. All these characters should be digits, and there should be six or less. (not done in this function)
    2. If the length of the substring is less than 6, left-fill the substring with zeroes until the length is six.
    Returns a normalized lccn for lccn() to validate.  There is no error checking (step 3.b.1) performed in this function.
    ]]
    function normalize_lccn (lccn)
    lccn = lccn:gsub ("%s", ""); -- 1. strip whitespace
    if nil ~= string.find (lccn,'/') then
    lccn = lccn:match ("(.-)/"); -- 2. remove forward slash and all character to the right of it
    end
    local prefix
    local suffix
    prefix, suffix = lccn:match ("(.+)%-(.+)"); -- 3.a remove hyphen by splitting the string into prefix and suffix
    if nil ~= suffix then -- if there was a hyphen
    suffix=string.rep("0", 6-string.len (suffix)) .. suffix; -- 3.b.2 left fill the suffix with 0s if suffix length less than 6
    lccn=prefix..suffix; -- reassemble the lccn
    end
    return lccn;
    end


    --[[
    --[[
    Line 353: Line 276:


    ]]
    ]]
    function lccn(lccn)
    function lccn(id)
    local handler = cfg.id_handlers['LCCN'];
    local handler = cfg.id_handlers['LCCN'];
    local err_cat =  ''; -- presume that LCCN is valid
    local err_cat =  ''; -- presume that LCCN is valid
    local id = lccn; -- local copy of the lccn


    id = normalize_lccn (id); -- get canonical form (no whitespace, hyphens, forward slashes)
    local len = id:len(); -- get the length of the lccn
    local len = id:len(); -- get the length of the lccn


    Line 385: Line 306:
    else
    else
    err_cat = ' ' .. seterror( 'bad_lccn' ); -- wrong length, set an error message
    err_cat = ' ' .. seterror( 'bad_lccn' ); -- wrong length, set an error message
    end
    if not is_set (err_cat) and nil ~= lccn:find ('%s') then
    err_cat = ' ' .. seterror( 'bad_lccn' ); -- lccn contains a space, set an error message
    end
    end


    return externallinkid({link = handler.link, label = handler.label,
    return externallinkid({link = handler.link, label = handler.label,
    prefix=handler.prefix,id=lccn,separator=handler.separator, encode=handler.encode}) .. err_cat;
    prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode}) .. err_cat;
    end
    end


    Line 419: Line 336:
    --[[
    --[[
    Determines if a PMC identifier's online version is embargoed. Compares the date in |embargo= against today's date.  If embargo date is
    Determines if a PMC identifier's online version is embargoed. Compares the date in |embargo= against today's date.  If embargo date is
    in the future, returns true; otherwise, returns false because the embargo has expired or |embargo= not set in this cite.
    in the future, returns true; otherwse, returns false because the embargo has expired or |embargo= not set in this cite.
    ]]
    ]]
    function is_embargoed(embargo)
    function is_embargoed(embargo)
    Line 449: Line 366:
    local handler = cfg.id_handlers['PMC'];
    local handler = cfg.id_handlers['PMC'];
    local err_cat =  ''; -- presume that PMC is valid
    local err_cat =  ''; -- presume that PMC is valid
       
    local text;
    local text;


    Line 483: Line 400:


    function doi(id, inactive)
    function doi(id, inactive)
    local cat = ""
        local cat = ""
    local handler = cfg.id_handlers['DOI'];
        local handler = cfg.id_handlers['DOI'];
       
    local text;
        local text;
    if is_set(inactive) then
    if is_set(inactive) then
    local inactive_year = inactive:match("%d%d%d%d") or ''; -- try to get the year portion from the inactive date
    local inactive_year = inactive:match("%d%d%d%d") or ''; -- try to get the year portion from the inactive date
    Line 510: Line 427:
    -- Formats an OpenLibrary link, and checks for associated errors.
    -- Formats an OpenLibrary link, and checks for associated errors.
    function openlibrary(id)
    function openlibrary(id)
    local code = id:sub(-1,-1)
        local code = id:sub(-1,-1)
    local handler = cfg.id_handlers['OL'];
        local handler = cfg.id_handlers['OL'];
    if ( code == "A" ) then
        if ( code == "A" ) then
    return externallinkid({link=handler.link, label=handler.label,
            return externallinkid({link=handler.link, label=handler.label,
    prefix="http://openlibrary.org/authors/OL",id=id, separator=handler.separator,
                prefix="http://openlibrary.org/authors/OL",id=id, separator=handler.separator,
    encode = handler.encode})
                encode = handler.encode})
    elseif ( code == "M" ) then
        elseif ( code == "M" ) then
    return externallinkid({link=handler.link, label=handler.label,
            return externallinkid({link=handler.link, label=handler.label,
    prefix="http://openlibrary.org/books/OL",id=id, separator=handler.separator,
                prefix="http://openlibrary.org/books/OL",id=id, separator=handler.separator,
    encode = handler.encode})
                encode = handler.encode})
    elseif ( code == "W" ) then
        elseif ( code == "W" ) then
    return externallinkid({link=handler.link, label=handler.label,
            return externallinkid({link=handler.link, label=handler.label,
    prefix= "http://openlibrary.org/works/OL",id=id, separator=handler.separator,
                prefix= "http://openlibrary.org/works/OL",id=id, separator=handler.separator,
    encode = handler.encode})
                encode = handler.encode})
    else
        else
    return externallinkid({link=handler.link, label=handler.label,
            return externallinkid({link=handler.link, label=handler.label,
    prefix= "http://openlibrary.org/OL",id=id, separator=handler.separator,
                prefix= "http://openlibrary.org/OL",id=id, separator=handler.separator,
    encode = handler.encode}) ..  
                encode = handler.encode}) ..  
    ' ' .. seterror( 'bad_ol' );
                ' ' .. seterror( 'bad_ol' );
    end
        end
    end
    end


    Line 548: Line 465:
    local valid_issn = true;
    local valid_issn = true;


    id=id:gsub( "[%s-–]", "" ); -- strip spaces, hyphens, and endashes from the issn
    id=id:gsub( "[%s-–]", "" ); -- strip spaces, hyphens, and ndashes from the issn


    if 8 ~= id:len() or nil == id:match( "^%d*X?$" ) then -- validate the issn: 8 digits long, containing only 0-9 or X in the last position
    if 8 ~= id:len() or nil == id:match( "^%d*X?$" ) then -- validate the issn: 8 didgits long, containing only 0-9 or X in the last position
    valid_issn=false; -- wrong length or improper character
    valid_issn=false; -- wrong length or improper character
    else
    else
    Line 574: Line 491:
    --[[
    --[[
    This function sets default title types (equivalent to the citation including |type=<default value>) for those citations that have defaults.
    This function sets default title types (equivalent to the citation including |type=<default value>) for those citations that have defaults.
    Also handles the special case where it is desirable to omit the title type from the rendered citation (|type=none).
    Also handles the special case where it is desireable to omit the title type from the rendered citation (|type=none).
    ]]
    ]]
    function set_titletype(cite_class, title_type)
    function set_titletype(cite_class, title_type)
    Line 584: Line 501:
    end
    end


    if "AV-media-notes" == cite_class or "DVD-notes" == cite_class then -- if this citation is cite AV media notes or cite DVD notes
    if "AV media notes" == cite_class or "DVD notes" == cite_class then -- if this citation is cite AV media notes or cite DVD notes
    return "Media notes"; -- display AV media notes / DVD media notes annotation
    return "Media notes"; -- display AV media notes / DVD media notes annotation


    Line 610: Line 527:
    ]]
    ]]
    function checkurl( url_str )
    function checkurl( url_str )
    -- Protocol-relative or URL scheme
        -- Protocol-relative or URL scheme
    return url_str:sub(1,2) == "//" or url_str:match( "^[^/]*:" ) ~= nil;
        return url_str:sub(1,2) == "//" or url_str:match( "^[^/]*:" ) ~= nil;
    end
    end


    Line 617: Line 534:
    -- Similar to that used for Special:BookSources
    -- Similar to that used for Special:BookSources
    function cleanisbn( isbn_str )
    function cleanisbn( isbn_str )
    return isbn_str:gsub( "[^-0-9X]", "" );
        return isbn_str:gsub( "[^-0-9X]", "" );
    end
    end


    -- Extract page numbers from external wikilinks in any of the |page=, |pages=, or |at= parameters for use in COinS.
    -- Extract page numbers from external wikilinks in any of the |page=, |pages=, or |at= parameters for use in COinS.
    --TODO: Fix so this code supports urls like this:
    -- http://www.history.navy.mil/download/va125153.pdf#page=13 %w/:\.
    function get_coins_pages (pages)
    function get_coins_pages (pages)
    if not is_set (pages) then return pages; end -- if no page numbers then we're done
    if not is_set (pages) then return pages; end -- if no page numbers then we're done
    while true do
        while true do
    pattern = pages:match("%[(%w*:?//[^ ]+%s+)[%w%d].*%]"); -- pattern is the opening bracket, the url and following space(s): "[url "
    pattern = pages:match("%[([%w/:\.]+%s+)[%w%d].*%]"); -- pattern is the opening bracket, the url and following space(s): "[url "
    if nil == pattern then break; end -- no more urls
    if nil == pattern then break; end -- no more urls
    pages = pages:gsub(pattern, ""); -- remove as many instances of pattern as possible
    pages = pages:gsub(pattern, ""); -- remove as many instances of pattern as possible
    Line 633: Line 548:
    pages = pages:gsub("[%[%]]", ""); -- remove the brackets
    pages = pages:gsub("[%[%]]", ""); -- remove the brackets
    pages = pages:gsub("–", "-" ); -- replace endashes with hyphens
    pages = pages:gsub("–", "-" ); -- replace endashes with hyphens
    pages = pages:gsub("&%w+;", "-" ); -- and replace html entities (&ndash; etc.) with hyphens; do we need to replace numerical entities like &#32; and the like?
    pages = pages:gsub("&%w+;", "-" ); -- and replace html entities (&ndash; etc) with hyphens; do we need to replace numerical entities like &#32; and the like?
    return pages;
    return pages;
    end
    end
    Line 682: Line 597:
    -- Gets the display text for a wikilink like [[A|B]] or [[B]] gives B
    -- Gets the display text for a wikilink like [[A|B]] or [[B]] gives B
    function removewikilink( str )
    function removewikilink( str )
    return (str:gsub( "%[%[([^%[%]]*)%]%]", function(l)
        return (str:gsub( "%[%[([^%[%]]*)%]%]", function(l)
    return l:gsub( "^[^|]*|(.*)$", "%1" ):gsub("^%s*(.-)%s*$", "%1");
            return l:gsub( "^[^|]*|(.*)$", "%1" ):gsub("^%s*(.-)%s*$", "%1");
    end));
        end));
    end
    end


    -- Escape sequences for content that will be used for URL descriptions
    -- Escape sequences for content that will be used for URL descriptions
    function safeforurl( str )
    function safeforurl( str )
    if str:match( "%[%[.-%]%]" ) ~= nil then  
        if str:match( "%[%[.-%]%]" ) ~= nil then  
    table.insert( z.message_tail, { seterror( 'wikilink_in_url', {}, true ) } );
            table.insert( z.message_tail, { seterror( 'wikilink_in_url', {}, true ) } );
    end
        end
       
    return str:gsub( '[%[%]\n]', {
        return str:gsub( '[%[%]\n]', {  
    ['['] = '&#91;',
            ['['] = '&#91;',
    [']'] = '&#93;',
            [']'] = '&#93;',
    ['\n'] = ' ' } );
            ['\n'] = ' ' } );
    end
    end


    -- Converts a hyphen to a dash
    -- Converts a hyphen to a dash
    function hyphentodash( str )
    function hyphentodash( str )
    if not is_set(str) or str:match( "[%[%]{}<>]" ) ~= nil then
        if not is_set(str) or str:match( "[%[%]{}<>]" ) ~= nil then
    return str;
            return str;
    end
        end  
    return str:gsub( '-', '–' );
        return str:gsub( '-', '–' );
    end
    end


    -- Protects a string that will be wrapped in wiki italic markup '' ... ''
    -- Protects a string that will be wrapped in wiki italic markup '' ... ''
    function safeforitalics( str )
    function safeforitalics( str )
    --[[ Note: We cannot use <i> for italics, as the expected behavior for
        --[[ Note: We can not use <i> for italics, as the expected behavior for
    italics specified by ''...'' in the title is that they will be inverted
        italics specified by ''...'' in the title is that they will be inverted
    (i.e. unitalicized) in the resulting references.  In addition, <i> and ''
        (i.e. unitalicized) in the resulting references.  In addition, <i> and ''
    tend to interact poorly under Mediawiki's HTML tidy. ]]
        tend to interact poorly under Mediawiki's HTML tidy. ]]
       
    if not is_set(str) then
        if not is_set(str) then
    return str;
            return str;
    else
        else
    if str:sub(1,1) == "'" then str = "<span />" .. str; end
            if str:sub(1,1) == "'" then str = "<span />" .. str; end
    if str:sub(-1,-1) == "'" then str = str .. "<span />"; end
            if str:sub(-1,-1) == "'" then str = str .. "<span />"; end
           
    -- Remove newlines as they break italics.
            -- Remove newlines as they break italics.
    return str:gsub( '\n', ' ' );
            return str:gsub( '\n', ' ' );
    end
        end
    end
    end


    --[[
    --[[
    Joins a sequence of strings together while checking for duplicate separation characters.
    Joins a sequence of strings together while checking for duplicate separation
     
    characters.
    TODO: safejoin() has a flaw where it won't remove the duplicate character from a |title= / |url= combination.
    This is because by the time we get here, |title=http://somesite.com and |title=Document Title. have been combined:
    [http://somesite.com and ''Document Title.'']
    so that now, the last character is not sepc but is ] (unless sepc == ']' which breaks the external link)
    ]]
    ]]
    function safejoin( tbl, duplicate_char )
    function safejoin( tbl, duplicate_char )
    --[[
        --[[
    Note: we use string functions here, rather than ustring functions.
        Note: we use string functions here, rather than ustring functions.
       
    This has considerably faster performance and should work correctly as  
        This has considerably faster performance and should work correctly as  
    long as the duplicate_char is strict ASCII.  The strings
        long as the duplicate_char is strict ASCII.  The strings
    in tbl may be ASCII or UTF8.
        in tbl may be ASCII or UTF8.
    ]]
        ]]
       
    local str = '';
        local str = '';
    local comp = '';
        local comp = '';
    local end_chr = '';
        local end_chr = '';
    local trim;
        local trim;
    for _, value in ipairs( tbl ) do
        for _, value in ipairs( tbl ) do
    if value == nil then value = ''; end
            if value == nil then value = ''; end
           
    if str == '' then
            if str == '' then
    str = value;
                str = value;
    elseif value ~= '' then
            elseif value ~= '' then
    if value:sub(1,1) == '<' then
                if value:sub(1,1) == '<' then
    -- Special case of values enclosed in spans and other markup.
                    -- Special case of values enclosed in spans and other markup.
    comp = value:gsub( "%b<>", "" );
                    comp = value:gsub( "%b<>", "" );
    else
                else
    comp = value;
                    comp = value;
    end
                end
               
    if comp:sub(1,1) == duplicate_char then
                if comp:sub(1,1) == duplicate_char then
    trim = false;
                    trim = false;
    end_chr = str:sub(-1,-1);
                    end_chr = str:sub(-1,-1);
    -- str = str .. "<HERE(enchr=" .. end_chr.. ")"
                    -- str = str .. "<HERE(enchr=" .. end_chr.. ")"
    if end_chr == duplicate_char then
                    if end_chr == duplicate_char then
    str = str:sub(1,-2);
                        str = str:sub(1,-2);
    elseif end_chr == "'" then
                    elseif end_chr == "'" then
    if str:sub(-3,-1) == duplicate_char .. "''" then
                        if str:sub(-3,-1) == duplicate_char .. "''" then
    str = str:sub(1, -4) .. "''";
                            str = str:sub(1, -4) .. "''";
    elseif str:sub(-5,-1) == duplicate_char .. "]]''" then
                        elseif str:sub(-5,-1) == duplicate_char .. "]]''" then
    trim = true;
                            trim = true;
    elseif str:sub(-4,-1) == duplicate_char .. "]''" then
                        elseif str:sub(-4,-1) == duplicate_char .. "]''" then
    trim = true;
                            trim = true;
    end
                        end
    elseif end_chr == "]" then
                    elseif end_chr == "]" then
    if str:sub(-3,-1) == duplicate_char .. "]]" then
                        if str:sub(-3,-1) == duplicate_char .. "]]" then
    trim = true;
                            trim = true;
    elseif str:sub(-2,-1) == duplicate_char .. "]" then
                        elseif str:sub(-2,-1) == duplicate_char .. "]" then
    trim = true;
                            trim = true;
    end
                        end
    elseif end_chr == " " then
                    elseif end_chr == " " then
    if str:sub(-2,-1) == duplicate_char .. " " then
                        if str:sub(-2,-1) == duplicate_char .. " " then
    str = str:sub(1,-3);
                            str = str:sub(1,-3);
    end
                        end
    end
                    end


    if trim then
                    if trim then
    if value ~= comp then  
                        if value ~= comp then  
    local dup2 = duplicate_char;
                            local dup2 = duplicate_char;
    if dup2:match( "%A" ) then dup2 = "%" .. dup2; end
                            if dup2:match( "%A" ) then dup2 = "%" .. dup2; end
                           
    value = value:gsub( "(%b<>)" .. dup2, "%1", 1 )
                            value = value:gsub( "(%b<>)" .. dup2, "%1", 1 )
    else
                        else
    value = value:sub( 2, -1 );
                            value = value:sub( 2, -1 );
    end
                        end
    end
                    end
    end
                end
    str = str .. value;
                str = str .. value;
    end
            end
    end
        end
    return str;
        return str;
    end   
    end   


    -- Attempts to convert names to initials.
    -- Attempts to convert names to initials.
    function reducetoinitials(first)
    function reducetoinitials(first)
    local initials = {}
        local initials = {}
    local i = 0; -- counter for number of initials
        for word in string.gmatch(first, "%S+") do
    for word in string.gmatch(first, "%S+") do
            table.insert(initials, string.sub(word,1,1)) -- Vancouver format does not include full stops.
    table.insert(initials, string.sub(word,1,1)) -- Vancouver format does not include full stops.
        end
    i = i + 1; -- bump the counter
        return table.concat(initials) -- Vancouver format does not include spaces.
    if 2 <= i then break; end -- only two initials allowed in Vancouver system; if 2, quit
    end
    return table.concat(initials) -- Vancouver format does not include spaces.
    end
    end


    -- Formats a list of people (e.g. authors / editors)  
    -- Formats a list of people (e.g. authors / editors)  
    function listpeople(control, people)
    function listpeople(control, people)
    local sep = control.sep;
        local sep = control.sep;
    local namesep = control.namesep
        local namesep = control.namesep
    local format = control.format
        local format = control.format
    local maximum = control.maximum
        local maximum = control.maximum
    local lastauthoramp = control.lastauthoramp;
        local lastauthoramp = control.lastauthoramp;
    local text = {}
        local text = {}
    local etal = false;
        local etal = false;
       
    if sep:sub(-1,-1) ~= " " then sep = sep .. " " end
        if sep:sub(-1,-1) ~= " " then sep = sep .. " " end
    if maximum ~= nil and maximum < 1 then return "", 0; end
        if maximum ~= nil and maximum < 1 then return "", 0; end
       
    for i,person in ipairs(people) do
        for i,person in ipairs(people) do
    if is_set(person.last) then
            if is_set(person.last) then
    local mask = person.mask
                local mask = person.mask
    local one
                local one
    local sep_one = sep;
                local sep_one = sep;
    if maximum ~= nil and i > maximum then
                if maximum ~= nil and i > maximum then
    etal = true;
                    etal = true;
    break;
                    break;
    elseif (mask ~= nil) then
                elseif (mask ~= nil) then
    local n = tonumber(mask)
                    local n = tonumber(mask)
    if (n ~= nil) then
                    if (n ~= nil) then
    one = string.rep("&mdash;",n)
                        one = string.rep("&mdash;",n)
    else
                    else
    one = mask;
                        one = mask;
    sep_one = " ";
                        sep_one = " ";
    end
                    end
    else
                else
    one = person.last
                    one = person.last
    local first = person.first
                    local first = person.first
    if is_set(first) then  
                    if is_set(first) then  
    if ( "vanc" == format ) then first = reducetoinitials(first) end
                        if ( "vanc" == format ) then first = reducetoinitials(first) end
    one = one .. namesep .. first  
                        one = one .. namesep .. first  
    end
                    end
    if is_set(person.link) then one = "[[" .. person.link .. "|" .. one .. "]]" end
                    if is_set(person.link) then one = "[[" .. person.link .. "|" .. one .. "]]" end
    if is_set(person.link) and nil ~= person.link:find("//") then one = one .. " " .. seterror( 'bad_authorlink' ) end -- check for url in author link;
                    if is_set(person.link) and nil ~= person.link:find("//") then one = one .. " " .. seterror( 'bad_authorlink' ) end -- check for url in author link;
    end
                end
    table.insert( text, one )
                table.insert( text, one )
    table.insert( text, sep_one )
                table.insert( text, sep_one )
    end
            end
    end
        end


    local count = #text / 2;
        local count = #text / 2;
    if count > 0 then  
        if count > 0 then  
    if count > 1 and is_set(lastauthoramp) and not etal then
            if count > 1 and is_set(lastauthoramp) and not etal then
    text[#text-2] = " & ";
                text[#text-2] = " & ";
    end
            end
    text[#text] = nil;  
            text[#text] = nil;  
    end
        end
       
    local result = table.concat(text) -- construct list
        local result = table.concat(text) -- construct list
    if etal then  
        if etal then  
    local etal_text = cfg.messages['et al'];
            local etal_text = cfg.messages['et al'];
    result = result .. " " .. etal_text;
            result = result .. " " .. etal_text;
    end
        end
       
    -- if necessary wrap result in <span> tag to format in Small Caps
        -- if necessary wrap result in <span> tag to format in Small Caps
    if ( "scap" == format ) then result =  
        if ( "scap" == format ) then result =  
    '<span class="smallcaps" style="font-variant:small-caps">' .. result .. '</span>';
            '<span class="smallcaps" style="font-variant:small-caps">' .. result .. '</span>';
    end  
        end  
    return result, count
        return result, count
    end
    end


    -- Generates a CITEREF anchor ID.
    -- Generates a CITEREF anchor ID.
    function anchorid( options )
    function anchorid( options )
    return "CITEREF" .. table.concat( options );
        return "CITEREF" .. table.concat( options );
    end
    end


    --[[
    -- Gets name list from the input arguments
    Gets name list from the input arguments
     
    Searches through args in sequential order to find |lastn= and |firstn= parameters (or their aliases), and their matching link and mask parameters.
    Stops searching when both |lastn= and |firstn= are not found in args after two sequential attempts: found |last1=, |last2=, and |last3= but doesn't
    find |last4= and |last5= then the search is done.
     
    This function emits an error message when there is a |firstn= without a matching |lastn=.  When there are 'holes' in the list of last names, |last1= and |last3=
    are present but |last2= is missing, an error message is emitted. |lastn= is not required to have a matching |firstn=.
    ]]
    function extractnames(args, list_name)
    function extractnames(args, list_name)
    local names = {}; -- table of names
        local names = {};
    local i = 1; -- loop counter/indexer
        local i = 1;
    local count = 0; -- used to count the number of times we haven't found a |last= (or alias for authors, |editor-last or alias for editors)
        local last;
       
    local err_msg_list_name = list_name:match ("(%w+)List") .. 's list'; -- modify AuthorList or EditorList for use in error messages if necessary
        while true do
     
            last = selectone( args, cfg.aliases[list_name .. '-Last'], 'redundant_parameters', i );
    while true do
            if not is_set(last) then
    names[i] = -- search through args for name components beginning at 1
                -- just in case someone passed in an empty parameter
    {
                break;
    last = selectone( args, cfg.aliases[list_name .. '-Last'], 'redundant_parameters', i ),
            end
    first = selectone( args, cfg.aliases[list_name .. '-First'], 'redundant_parameters', i ),
            names[i] = {
    link = selectone( args, cfg.aliases[list_name .. '-Link'], 'redundant_parameters', i ),
                last = last,
    mask = selectone( args, cfg.aliases[list_name .. '-Mask'], 'redundant_parameters', i )
                first = selectone( args, cfg.aliases[list_name .. '-First'], 'redundant_parameters', i ),
    };
                link = selectone( args, cfg.aliases[list_name .. '-Link'], 'redundant_parameters', i ),
    if names[i].first and not names[i].last then -- if there is a firstn without a matching lastn
                mask = selectone( args, cfg.aliases[list_name .. '-Mask'], 'redundant_parameters', i )
    names[i].first = nil; -- set first to nil so we don't confuse the implicit et al message code
            };
    table.insert( z.message_tail, { seterror( 'first_missing_last', {err_msg_list_name, i}, true ) } ); -- add this error message
            i = i + 1;
    break; -- and done because lastn not found
        end
    elseif not names[i].first and not names[i].last then -- if both firstn and lastn aren't found, are we done?
        return names;
    count = count + 1; -- number of times we haven't found last and first
    if 2 == count then -- two missing names and we give up
    break; -- normal exit or there is a two-name hole in the list; can't tell which
    end
    else -- last with or without a first
    if 1 == count then -- if the previous name was missing
    table.insert( z.message_tail, { seterror( 'missing_name', {err_msg_list_name, i-1}, true ) } ); -- add this error message
    end
    count = 0; -- reset the counter, we're looking for two consecutive missing names
    end
     
    i = i + 1; -- bump to the next name
    end
    return names; -- all done, return our list of names
    end
    end


    -- Populates ID table from arguments using configuration settings
    -- Populates ID table from arguments using configuration settings
    function extractids( args )
    function extractids( args )
    local id_list = {};
        local id_list = {};
    for k, v in pairs( cfg.id_handlers ) do
        for k, v in pairs( cfg.id_handlers ) do  
    v = selectone( args, v.parameters, 'redundant_parameters' );
            v = selectone( args, v.parameters, 'redundant_parameters' );
    if is_set(v) then id_list[k] = v; end
            if is_set(v) then id_list[k] = v; end
    end
        end
    return id_list;
        return id_list;
    end
    end


    -- Takes a table of IDs and turns it into a table of formatted ID outputs.
    -- Takes a table of IDs and turns it into a table of formatted ID outputs.
    function buildidlist( id_list, options )
    function buildidlist( id_list, options )
    local new_list, handler = {};
        local new_list, handler = {};
       
    function fallback(k) return { __index = function(t,i) return cfg.id_handlers[k][i] end } end;
        function fallback(k) return { __index = function(t,i) return cfg.id_handlers[k][i] end } end;
       
    for k, v in pairs( id_list ) do
        for k, v in pairs( id_list ) do
    -- fallback to read-only cfg
            -- fallback to read-only cfg
    handler = setmetatable( { ['id'] = v }, fallback(k) );
            handler = setmetatable( { ['id'] = v }, fallback(k) );
           
    if handler.mode == 'external' then
            if handler.mode == 'external' then
    table.insert( new_list, {handler.label, externallinkid( handler ) } );
                table.insert( new_list, {handler.label, externallinkid( handler ) } );
    elseif handler.mode == 'internal' then
            elseif handler.mode == 'internal' then
    table.insert( new_list, {handler.label, internallinkid( handler ) } );
                table.insert( new_list, {handler.label, internallinkid( handler ) } );
    elseif handler.mode ~= 'manual' then
            elseif handler.mode ~= 'manual' then
    error( cfg.messages['unknown_ID_mode'] );
                error( cfg.messages['unknown_ID_mode'] );
    elseif k == 'DOI' then
            elseif k == 'DOI' then
    table.insert( new_list, {handler.label, doi( v, options.DoiBroken ) } );
                table.insert( new_list, {handler.label, doi( v, options.DoiBroken ) } );
    elseif k == 'ARXIV' then
            elseif k == 'ASIN' then
    table.insert( new_list, {handler.label, arxiv( v ) } );
                table.insert( new_list, {handler.label, amazon( v, options.ASINTLD ) } );  
    elseif k == 'ASIN' then
            elseif k == 'LCCN' then
    table.insert( new_list, {handler.label, amazon( v, options.ASINTLD ) } );  
                table.insert( new_list, {handler.label, lccn( v ) } );
    elseif k == 'LCCN' then
            elseif k == 'OL' then
    table.insert( new_list, {handler.label, lccn( v ) } );
                table.insert( new_list, {handler.label, openlibrary( v ) } );
    elseif k == 'OL' then
            elseif k == 'PMC' then
    table.insert( new_list, {handler.label, openlibrary( v ) } );
                table.insert( new_list, {handler.label, pmc( v, options.Embargo ) } );
    elseif k == 'PMC' then
            elseif k == 'PMID' then
    table.insert( new_list, {handler.label, pmc( v, options.Embargo ) } );
                table.insert( new_list, {handler.label, pmid( v ) } );
    elseif k == 'PMID' then
            elseif k == 'ISSN' then
    table.insert( new_list, {handler.label, pmid( v ) } );
            table.insert( new_list, {handler.label, issn( v ) } );
    elseif k == 'ISSN' then
            elseif k == 'ISBN' then
    table.insert( new_list, {handler.label, issn( v ) } );
                local ISBN = internallinkid( handler );
    elseif k == 'ISBN' then
                if not checkisbn( v ) and not is_set(options.IgnoreISBN) then
    local ISBN = internallinkid( handler );
                    ISBN = ISBN .. seterror( 'bad_isbn', {}, false, " ", "" );
    if not checkisbn( v ) and not is_set(options.IgnoreISBN) then
                end
    ISBN = ISBN .. seterror( 'bad_isbn', {}, false, " ", "" );
                table.insert( new_list, {handler.label, ISBN } );              
    end
            else
    table.insert( new_list, {handler.label, ISBN } );
                error( cfg.messages['unknown_manual_ID'] );
    else
            end
    error( cfg.messages['unknown_manual_ID'] );
        end
    end
       
    end
        function comp( a, b ) -- used in following table.sort()
            return a[1] < b[1];
    function comp( a, b ) -- used in following table.sort()
        end
    return a[1] < b[1];
       
    end
        table.sort( new_list, comp );
        for k, v in ipairs( new_list ) do
    table.sort( new_list, comp );
            new_list[k] = v[2];
    for k, v in ipairs( new_list ) do
        end
    new_list[k] = v[2];
       
    end
        return new_list;
    return new_list;
    end
    end
        
        
    Line 998: Line 881:
    -- Generates an error if more than one match is present.
    -- Generates an error if more than one match is present.
    function selectone( args, possible, error_condition, index )
    function selectone( args, possible, error_condition, index )
    local value = nil;
        local value = nil;
    local selected = '';
        local selected = '';
    local error_list = {};
        local error_list = {};
       
    if index ~= nil then index = tostring(index); end
        if index ~= nil then index = tostring(index); end
       
    -- Handle special case of "#" replaced by empty string
        -- Handle special case of "#" replaced by empty string
    if index == '1' then
        if index == '1' then
    for _, v in ipairs( possible ) do
            for _, v in ipairs( possible ) do
    v = v:gsub( "#", "" );
                v = v:gsub( "#", "" );
    if is_set(args[v]) then
                if is_set(args[v]) then
    if value ~= nil and selected ~= v then
                    if value ~= nil and selected ~= v then
    table.insert( error_list, v );
                        table.insert( error_list, v );
    else
                    else
    value = args[v];
                        value = args[v];
    selected = v;
                        selected = v;
    end
                    end
    end
                end
    end
            end      
    end
        end
       
    for _, v in ipairs( possible ) do
        for _, v in ipairs( possible ) do
    if index ~= nil then
            if index ~= nil then
    v = v:gsub( "#", index );
                v = v:gsub( "#", index );
    end
            end
    if is_set(args[v]) then
            if is_set(args[v]) then
    if value ~= nil and selected ~=  v then
                if value ~= nil and selected ~=  v then
    table.insert( error_list, v );
                    table.insert( error_list, v );
    else
                else
    value = args[v];
                    value = args[v];
    selected = v;
                    selected = v;
    end
                end
    end
            end
    end
        end
       
    if #error_list > 0 then
        if #error_list > 0 then
    local error_str = "";
            local error_str = "";
    for _, k in ipairs( error_list ) do
            for _, k in ipairs( error_list ) do
    if error_str ~= "" then error_str = error_str .. cfg.messages['parameter-separator'] end
                if error_str ~= "" then error_str = error_str .. cfg.messages['parameter-separator'] end
    error_str = error_str .. wrap( 'parameter', k );
                error_str = error_str .. wrap( 'parameter', k );
    end
            end
    if #error_list > 1 then
            if #error_list > 1 then
    error_str = error_str .. cfg.messages['parameter-final-separator'];
                error_str = error_str .. cfg.messages['parameter-final-separator'];
    else
            else
    error_str = error_str .. cfg.messages['parameter-pair-separator'];
                error_str = error_str .. cfg.messages['parameter-pair-separator'];
    end
            end
    error_str = error_str .. wrap( 'parameter', selected );
            error_str = error_str .. wrap( 'parameter', selected );
    table.insert( z.message_tail, { seterror( error_condition, {error_str}, true ) } );
            table.insert( z.message_tail, { seterror( error_condition, {error_str}, true ) } );
    end
        end
       
    return value, selected;
        return value, selected;
    end
    end


    Line 1,054: Line 937:
    -- the citation information.
    -- the citation information.
    function COinS(data)
    function COinS(data)
    if 'table' ~= type(data) or nil == next(data) then
        if 'table' ~= type(data) or nil == next(data) then
    return '';
            return '';
    end
        end
       
    local ctx_ver = "Z39.88-2004";
        local ctx_ver = "Z39.88-2004";
       
    -- treat table strictly as an array with only set values.
        -- treat table strictly as an array with only set values.
    local OCinSoutput = setmetatable( {}, {
        local OCinSoutput = setmetatable( {}, {
    __newindex = function(self, key, value)
            __newindex = function(self, key, value)
    if is_set(value) then
                if is_set(value) then
    rawset( self, #self+1, table.concat{ key, '=', mw.uri.encode( removewikilink( value ) ) } );
                    rawset( self, #self+1, table.concat{ key, '=', mw.uri.encode( removewikilink( value ) ) } );
    end
                end
    end
            end
    });
        });
       
    if is_set(data.Chapter) then
        if is_set(data.Chapter) then
    OCinSoutput.rft_val_fmt = "info:ofi/fmt:kev:mtx:book";
            OCinSoutput.rft_val_fmt = "info:ofi/fmt:kev:mtx:book";
    OCinSoutput["rft.genre"] = "bookitem";
            OCinSoutput["rft.genre"] = "bookitem";
    OCinSoutput["rft.btitle"] = data.Chapter;
            OCinSoutput["rft.btitle"] = data.Chapter;
    OCinSoutput["rft.atitle"] = data.Title;
            OCinSoutput["rft.atitle"] = data.Title;
    elseif is_set(data.Periodical) then
        elseif is_set(data.Periodical) then
    OCinSoutput.rft_val_fmt = "info:ofi/fmt:kev:mtx:journal";
            OCinSoutput.rft_val_fmt = "info:ofi/fmt:kev:mtx:journal";
    OCinSoutput["rft.genre"] = "article";
            OCinSoutput["rft.genre"] = "article";
    OCinSoutput["rft.jtitle"] = data.Periodical;
            OCinSoutput["rft.jtitle"] = data.Periodical;
    OCinSoutput["rft.atitle"] = data.Title;
            OCinSoutput["rft.atitle"] = data.Title;
    else
        else
    OCinSoutput.rft_val_fmt = "info:ofi/fmt:kev:mtx:book";
            OCinSoutput.rft_val_fmt = "info:ofi/fmt:kev:mtx:book";
    OCinSoutput["rft.genre"] = "book"
            OCinSoutput["rft.genre"] = "book"
    OCinSoutput["rft.btitle"] = data.Title;
            OCinSoutput["rft.btitle"] = data.Title;
    end
        end
       
    OCinSoutput["rft.place"] = data.PublicationPlace;
        OCinSoutput["rft.place"] = data.PublicationPlace;
    OCinSoutput["rft.date"] = data.Date;
        OCinSoutput["rft.date"] = data.Date;
    OCinSoutput["rft.series"] = data.Series;
        OCinSoutput["rft.series"] = data.Series;
    OCinSoutput["rft.volume"] = data.Volume;
        OCinSoutput["rft.volume"] = data.Volume;
    OCinSoutput["rft.issue"] = data.Issue;
        OCinSoutput["rft.issue"] = data.Issue;
    OCinSoutput["rft.pages"] = data.Pages;
        OCinSoutput["rft.pages"] = data.Pages;
    OCinSoutput["rft.edition"] = data.Edition;
        OCinSoutput["rft.edition"] = data.Edition;
    OCinSoutput["rft.pub"] = data.PublisherName;
        OCinSoutput["rft.pub"] = data.PublisherName;
       
    for k, v in pairs( data.ID_list ) do
        for k, v in pairs( data.ID_list ) do
    local id, value = cfg.id_handlers[k].COinS;
            local id, value = cfg.id_handlers[k].COinS;
    if k == 'ISBN' then value = cleanisbn( v ); else value = v; end
            if k == 'ISBN' then value = cleanisbn( v ); else value = v; end
    if string.sub( id or "", 1, 4 ) == 'info' then
            if string.sub( id or "", 1, 4 ) == 'info' then
    OCinSoutput["rft_id"] = table.concat{ id, "/", v };
                OCinSoutput["rft_id"] = table.concat{ id, "/", v };
    else
            else
    OCinSoutput[ id ] = value;
                OCinSoutput[ id ] = value;
    end
            end
    end
        end
       
    local last, first;
        local last, first;
    for k, v in ipairs( data.Authors ) do
        for k, v in ipairs( data.Authors ) do
    last, first = v.last, v.first;
            last, first = v.last, v.first;
    if k == 1 then
            if k == 1 then
    if is_set(last) then
                if is_set(last) then
    OCinSoutput["rft.aulast"] = last;
                    OCinSoutput["rft.aulast"] = last;
    end
                end
    if is_set(first) then  
                if is_set(first) then  
    OCinSoutput["rft.aufirst"] = first;
                    OCinSoutput["rft.aufirst"] = first;
    end
                end
    end
            end
    if is_set(last) and is_set(first) then
            if is_set(last) and is_set(first) then
    OCinSoutput["rft.au"] = table.concat{ last, ", ", first };
                OCinSoutput["rft.au"] = table.concat{ last, ", ", first };
    elseif is_set(last) then
            elseif is_set(last) then
    OCinSoutput["rft.au"] = last;
                OCinSoutput["rft.au"] = last;
    end
            end
    end
        end
       
    OCinSoutput.rft_id = data.URL;
        OCinSoutput.rft_id = data.URL;
    OCinSoutput.rfr_id = table.concat{ "info:sid/", mw.site.server:match( "[^/]*$" ), ":", data.RawPage };
        OCinSoutput.rfr_id = table.concat{ "info:sid/", mw.site.server:match( "[^/]*$" ), ":", data.RawPage };
    OCinSoutput = setmetatable( OCinSoutput, nil );
        OCinSoutput = setmetatable( OCinSoutput, nil );
       
    -- sort with version string always first, and combine.
        -- sort with version string always first, and combine.
    table.sort( OCinSoutput );
        table.sort( OCinSoutput );
    table.insert( OCinSoutput, 1, "ctx_ver=" .. ctx_ver );  -- such as "Z39.88-2004"
        table.insert( OCinSoutput, 1, "ctx_ver=" .. ctx_ver );  -- such as "Z39.88-2004"
    return table.concat(OCinSoutput, "&");
        return table.concat(OCinSoutput, "&");
    end
    end


    Line 1,137: Line 1,020:
    ]]
    ]]
    function citation0( config, args)
    function citation0( config, args)
    --[[  
        --[[  
    Load Input Parameters
        Load Input Parameters
    The argument_wrapper facilitates the mapping of multiple
        The argment_wrapper facillitates the mapping of multiple
    aliases to single internal variable.
        aliases to single internal variable.
    ]]
        ]]
    local A = argument_wrapper( args );
        local A = argument_wrapper( args );


    local i  
        local i  
    local PPrefix = A['PPrefix']
        local PPrefix = A['PPrefix']
    local PPPrefix = A['PPPrefix']
        local PPPrefix = A['PPPrefix']
    if is_set( A['NoPP'] ) then PPPrefix = "" PPrefix = "" end
        if is_set( A['NoPP'] ) then PPPrefix = "" PPrefix = "" end
       
    -- Pick out the relevant fields from the arguments.  Different citation templates
        -- Pick out the relevant fields from the arguments.  Different citation templates
    -- define different field names for the same underlying things.
        -- define different field names for the same underlying things.  
    local Authors = A['Authors'];
        local Authors = A['Authors'];
    local a = extractnames( args, 'AuthorList' );
        local a = extractnames( args, 'AuthorList' );


    local Coauthors = A['Coauthors'];
        local Coauthors = A['Coauthors'];
    local Others = A['Others'];
        local Others = A['Others'];
    local Editors = A['Editors'];
        local Editors = A['Editors'];
    local e = extractnames( args, 'EditorList' );
        local e = extractnames( args, 'EditorList' );


    local Year = A['Year'];
        local Year = A['Year'];
    local PublicationDate = A['PublicationDate'];
        local PublicationDate = A['PublicationDate'];
    local OrigYear = A['OrigYear'];
        local OrigYear = A['OrigYear'];
    local Date = A['Date'];
        local Date = A['Date'];
    local LayDate = A['LayDate'];
        local LayDate = A['LayDate'];
    ------------------------------------------------- Get title data
        ------------------------------------------------- Get title data
    local Title = A['Title'];
        local Title = A['Title'];
    local BookTitle = A['BookTitle'];
        local BookTitle = A['BookTitle'];
    local Conference = A['Conference'];
        local Conference = A['Conference'];
    local TransTitle = A['TransTitle'];
        local TransTitle = A['TransTitle'];
    local TitleNote = A['TitleNote'];
        local TitleNote = A['TitleNote'];
    local TitleLink = A['TitleLink'];
        local TitleLink = A['TitleLink'];
    local Chapter = A['Chapter'];
        local Chapter = A['Chapter'];
    local ChapterLink = A['ChapterLink'];
        local ChapterLink = A['ChapterLink'];
    local TransChapter = A['TransChapter'];
        local TransChapter = A['TransChapter'];
    local TitleType = A['TitleType'];
        local TitleType = A['TitleType'];
    local Degree = A['Degree'];
        local Degree = A['Degree'];
    local Docket = A['Docket'];
        local Docket = A['Docket'];
    local ArchiveURL = A['ArchiveURL'];
        local ArchiveURL = A['ArchiveURL'];
    local URL = A['URL']
        local URL = A['URL']
    local URLorigin = A:ORIGIN('URL');
        local URLorigin = A:ORIGIN('URL');
    local ChapterURL = A['ChapterURL'];
        local ChapterURL = A['ChapterURL'];
    local ChapterURLorigin = A:ORIGIN('ChapterURL');
        local ChapterURLorigin = A:ORIGIN('ChapterURL');
    local ConferenceURL = A['ConferenceURL'];
        local ConferenceURL = A['ConferenceURL'];
    local ConferenceURLorigin = A:ORIGIN('ConferenceURL');
        local ConferenceURLorigin = A:ORIGIN('ConferenceURL');
    local Periodical = A['Periodical'];
        local Periodical = A['Periodical'];


    local Series = A['Series'];
    local Series = A['Series'];
    local Volume = A['Volume'];
        local Volume = A['Volume'];
    local Issue = A['Issue'];
        local Issue = A['Issue'];
    local Position = '';
        local Position = '';
    local Page = A['Page'];
        local Page = A['Page'];
    local Pages = hyphentodash( A['Pages'] );
        local Pages = hyphentodash( A['Pages'] );
    local At = A['At'];
        local At = A['At'];


    local Edition = A['Edition'];
        local Edition = A['Edition'];
    local PublicationPlace = A['PublicationPlace']
        local PublicationPlace = A['PublicationPlace']
    local Place = A['Place'];
        local Place = A['Place'];
       
    local PublisherName = A['PublisherName'];
        local PublisherName = A['PublisherName'];
    local RegistrationRequired = A['RegistrationRequired'];
        local RegistrationRequired = A['RegistrationRequired'];
    local SubscriptionRequired = A['SubscriptionRequired'];
        local SubscriptionRequired = A['SubscriptionRequired'];
    local Via = A['Via'];
        local Via = A['Via'];
    local AccessDate = A['AccessDate'];
        local AccessDate = A['AccessDate'];
    local ArchiveDate = A['ArchiveDate'];
        local ArchiveDate = A['ArchiveDate'];
    local Agency = A['Agency'];
        local Agency = A['Agency'];
    local DeadURL = A['DeadURL']
        local DeadURL = A['DeadURL']
    local Language = A['Language'];
        local Language = A['Language'];
    local Format = A['Format'];
        local Format = A['Format'];
    local Ref = A['Ref'];
        local Ref = A['Ref'];
    local DoiBroken = A['DoiBroken'];
    local DoiBroken = A['DoiBroken'];
    local ID = A['ID'];
    local ID = A['ID'];
    local ASINTLD = A['ASINTLD'];
        local ASINTLD = A['ASINTLD'];
    local IgnoreISBN = A['IgnoreISBN'];
        local IgnoreISBN = A['IgnoreISBN'];
    local Embargo = A['Embargo'];
        local Embargo = A['Embargo'];


    local ID_list = extractids( args );
        local ID_list = extractids( args );
    --[[ Hide unfinished cite newsgroup code so that long delayed update can take place
       
    -- special case for cite newsgroup which uses |id= for a usenet article or post id
        local Quote = A['Quote'];
    -- |id= is not included in COinS so here we convert it to an ID that will be included in COinS
        local PostScript = A['PostScript'];
    if ('newsgroup' == config.CitationClass) and (is_set (ID)) then
    ID_list['USENETID']=ID; -- add this new 'id' to the list of IDs
    ID = ''; -- and unset
    end
    ]]
    local Quote = A['Quote'];
    local PostScript = A['PostScript'];


    local LayURL = A['LayURL'];
        local LayURL = A['LayURL'];
    local LaySource = A['LaySource'];
        local LaySource = A['LaySource'];
    local Transcript = A['Transcript'];
        local Transcript = A['Transcript'];
    local TranscriptURL = A['TranscriptURL']  
        local TranscriptURL = A['TranscriptURL']  
    local TranscriptURLorigin = A:ORIGIN('TranscriptURL');
        local TranscriptURLorigin = A:ORIGIN('TranscriptURL');
    local sepc = A['Separator'];
        local sepc = A['Separator'];


    local LastAuthorAmp = A['LastAuthorAmp'];
        local LastAuthorAmp = A['LastAuthorAmp'];
    local no_tracking_cats = A['NoTracking'];
        local no_tracking_cats = A['NoTracking'];


    --these are used by cite interview
    --these are used by cite interview
    Line 1,245: Line 1,121:


    --local variables that are not cs1 parameters
    --local variables that are not cs1 parameters
    local page_type; -- is this needed?  Doesn't appear to be used anywhere;
        local page_type; -- is this needed?  Doesn't appear to be used anywhere;
    local use_lowercase = ( sepc ~= '.' );
        local use_lowercase = ( sepc ~= '.' );
    local this_page = mw.title.getCurrentTitle(); --Also used for COinS and for language
        local this_page = mw.title.getCurrentTitle(); --Also used for COinS and for language
    local anchor_year; -- used in the CITEREF identifier
    local anchor_year; -- used in the CITEREF identifier
    local COinS_date; -- used in the COinS metadata
    local COinS_date; -- used in the COinS metadata
    Line 1,266: Line 1,142:
    for k, v in pairs( cfg.uncategorized_namespaces ) do -- otherwise, spin through the list of namespaces we don't include in error categories
    for k, v in pairs( cfg.uncategorized_namespaces ) do -- otherwise, spin through the list of namespaces we don't include in error categories
    if this_page.nsText == v then -- if we find one
    if this_page.nsText == v then -- if we find one
    no_tracking_cats = "true"; -- set no_tracking_cats
    no_tracking_cats = "true"; -- set no_trackin_cats
    break; -- and we're done
    break; -- and we're done
    end
                end
    end
            end
    end
        end


    -- check for extra |page=, |pages= or |at= parameters.  
    -- check for extra |page=, |pages= or |at= parameters.  
    if is_set(Page) then
        if is_set(Page) then
    if is_set(Pages) or is_set(At) then
            if is_set(Pages) or is_set(At) then
    Page = Page .. " " .. seterror('extra_pages'); -- add error message
                Page = Page .. " " .. seterror('extra_pages'); -- add error message
    Pages = ''; -- unset the others
                Pages = ''; -- unset the others
    At = '';
                At = '';
    end
            end
    elseif is_set(Pages) then
        elseif is_set(Pages) then
    if is_set(At) then
            if is_set(At) then
    Pages = Pages .. " " .. seterror('extra_pages'); -- add error messages
                Pages = Pages .. " " .. seterror('extra_pages'); -- add error messages
    At = ''; -- unset
                At = ''; -- unset
    end
            end
    end
        end  


    -- both |publication-place= and |place= (|location=) allowed if different
    -- both |publication-place= and |place= (|location=) allowed if different
    if not is_set(PublicationPlace) and is_set(Place) then
        if not is_set(PublicationPlace) and is_set(Place) then
    PublicationPlace = Place; -- promote |place= (|location=) to |publication-place
            PublicationPlace = Place; -- promote |place= (|location=) to |publication-place
    end
        end
       
    if PublicationPlace == Place then Place = ''; end -- don't need both if they are the same
        if PublicationPlace == Place then Place = ''; end -- don't need both if they are the same
       
    --[[
    --[[
    Parameter remapping for cite encyclopedia:
    Parameter remapping for cite encyclopedia:
    Line 1,335: Line 1,211:
    end
    end


    -- check for special case where |separator=none
    -- check for specital case where |separator=none
    if 'none' == sepc:lower() then -- if |separator=none
    if 'none' == sepc:lower() then -- if |separator=none
    sepc = ''; -- then set it to an empty string
    sepc = ''; -- then set it to a empty string
    end
    end


    Line 1,449: Line 1,325:
    end
    end
    elseif is_set(PublicationDate) then -- use PublicationDate when |date= and |year= are not set
    elseif is_set(PublicationDate) then -- use PublicationDate when |date= and |year= are not set
    Date = PublicationDate; -- promote PublicationDate to Date
    Date = PublicationDate; -- promonte PublicationDate to Date
    PublicationDate = ''; -- unset, no longer needed
    PublicationDate = ''; -- unset, no longer needed
    end
    end
    Line 1,471: Line 1,347:
    -- At this point fields may be nil if they weren't specified in the template use.  We can use that fact.
    -- At this point fields may be nil if they weren't specified in the template use.  We can use that fact.


    -- COinS metadata (see <http://ocoins.info/>) for
        -- COinS metadata (see <http://ocoins.info/>) for
    -- automated parsing of citation information.
        -- automated parsing of citation information.
    local OCinSoutput = COinS{
        local OCinSoutput = COinS{
    ['Periodical'] = Periodical,
            ['Periodical'] = Periodical,
    ['Chapter'] = Chapter,
            ['Chapter'] = Chapter,
    ['Title'] = Title,
            ['Title'] = Title,
    ['PublicationPlace'] = PublicationPlace,
            ['PublicationPlace'] = PublicationPlace,
    ['Date'] = first_set(COinS_date, Date), -- COinS_date has correctly formatted date if Date is valid; any reason to keep Date here?  Should we be including invalid dates in metadata?
            ['Date'] = first_set(COinS_date, Date), -- COinS_date has correctly formatted date if Date is valid; any reason to keep Date here?  Should we be including invalid dates in metadata?
    ['Series'] = Series,
            ['Series'] = Series,
    ['Volume'] = Volume,
            ['Volume'] = Volume,
    ['Issue'] = Issue,
            ['Issue'] = Issue,
    -- ['Pages'] = get_coins_pages (first_set(Page, Pages, At)), -- pages stripped of external links
            ['Pages'] = get_coins_pages (first_set(Page, Pages, At)), -- pages stripped of external links
    ['Pages'] = first_set(Page, Pages, At),
            ['Edition'] = Edition,
    ['Edition'] = Edition,
            ['PublisherName'] = PublisherName,
    ['PublisherName'] = PublisherName,
            ['URL'] = first_set( URL, ChapterURL ),
    ['URL'] = first_set( URL, ChapterURL ),
            ['Authors'] = a,
    ['Authors'] = a,
            ['ID_list'] = ID_list,
    ['ID_list'] = ID_list,
            ['RawPage'] = this_page.prefixedText,
    ['RawPage'] = this_page.prefixedText,
        };
    };
     
    if is_set(Periodical) and not is_set(Chapter) and is_set(Title) then
    Chapter = Title;
    ChapterLink = TitleLink;
    TransChapter = TransTitle;
    Title = '';
    TitleLink = '';
    TransTitle = '';
    end
    --[[ Hide unfinished cite newsgroup code so that long delayed update can take place
    -- special case for cite newsgroup.  Do this after COinS because we are modifying Publishername and ID
    if 'newsgroup' == config.CitationClass then
    if is_set (PublisherName) then
    PublisherName = '[Newsgroup]:&nbsp;' ..  externallink( 'news:' .. PublisherName, PublisherName );
    end
    end
    ]]


        if is_set(Periodical) and not is_set(Chapter) and is_set(Title) then
            Chapter = Title;
            ChapterLink = TitleLink;
            TransChapter = TransTitle;
            Title = '';
            TitleLink = '';
            TransTitle = '';
        end


    -- Now perform various field substitutions.
        -- Now perform various field substitutions.
    -- We also add leading spaces and surrounding markup and punctuation to the
        -- We also add leading spaces and surrounding markup and punctuation to the
    -- various parts of the citation, but only when they are non-nil.
        -- various parts of the citation, but only when they are non-nil.
    if not is_set(Authors) then
        if not is_set(Authors) then
    local Maximum = tonumber( A['DisplayAuthors'] );
            local Maximum = tonumber( A['DisplayAuthors'] );
           
    -- Preserve old-style implicit et al.
            -- Preserve old-style implicit et al.
    if not is_set(Maximum) and #a == 9 then  
            if not is_set(Maximum) and #a == 9 then  
    Maximum = 8;
                Maximum = 8;
    table.insert( z.message_tail, { seterror('implict_etal_author', {}, true ) } );
                table.insert( z.message_tail, { seterror('implict_etal_author', {}, true ) } );
    elseif not is_set(Maximum) then
            elseif not is_set(Maximum) then
    Maximum = #a + 1;
                Maximum = #a + 1;
    end
            end
               
    local control = {  
            local control = {  
    sep = A["AuthorSeparator"] .. " ",
                sep = A["AuthorSeparator"] .. " ",
    namesep = (first_set(A["AuthorNameSeparator"], A["NameSeparator"]) or "") .. " ",
                namesep = (first_set(A["AuthorNameSeparator"], A["NameSeparator"]) or "") .. " ",
    format = A["AuthorFormat"],
                format = A["AuthorFormat"],
    maximum = Maximum,
                maximum = Maximum,
    lastauthoramp = LastAuthorAmp
                lastauthoramp = LastAuthorAmp
    };
            };
           
    -- If the coauthor field is also used, prevent ampersand and et al. formatting.
            -- If the coauthor field is also used, prevent ampersand and et al. formatting.
    if is_set(Coauthors) then
            if is_set(Coauthors) then
    control.lastauthoramp = nil;
                control.lastauthoramp = nil;
    control.maximum = #a + 1;
                control.maximum = #a + 1;
    end
            end
           
    Authors = listpeople(control, a)  
            Authors = listpeople(control, a)  
    end
        end


    if not is_set(Authors) and is_set(Coauthors) then -- coauthors aren't displayed if one of authors=, authorn=, or lastn= isn't specified
    if not is_set(Authors) and is_set(Coauthors) then -- coauthors aren't displayed if one of authors=, authorn=, or lastn= isn't specified
    Line 1,545: Line 1,411:
    end
    end


    local EditorCount
        local EditorCount
    if not is_set(Editors) then
        if not is_set(Editors) then
    local Maximum = tonumber( A['DisplayEditors'] );
            local Maximum = tonumber( A['DisplayEditors'] );
    -- Preserve old-style implicit et al.
            -- Preserve old-style implicit et al.
    if not is_set(Maximum) and #e == 4 then  
            if not is_set(Maximum) and #e == 4 then  
    Maximum = 3;
                Maximum = 3;
    table.insert( z.message_tail, { seterror('implict_etal_editor', {}, true) } );
                table.insert( z.message_tail, { seterror('implict_etal_editor', {}, true) } );
    elseif not is_set(Maximum) then
            elseif not is_set(Maximum) then
    Maximum = #e + 1;
                Maximum = #e + 1;
    end
            end


    local control = {  
            local control = {  
    sep = A["EditorSeparator"] .. " ",
                sep = A["EditorSeparator"] .. " ",
    namesep = (first_set(A["EditorNameSeparator"], A["NameSeparator"]) or "") .. " ",
                namesep = (first_set(A["EditorNameSeparator"], A["NameSeparator"]) or "") .. " ",
    format = A['EditorFormat'],
                format = A['EditorFormat'],
    maximum = Maximum,
                maximum = Maximum,
    lastauthoramp = LastAuthorAmp
                lastauthoramp = LastAuthorAmp
    };
            };


    Editors, EditorCount = listpeople(control, e);
            Editors, EditorCount = listpeople(control, e);
    else
        else
    EditorCount = 1;
            EditorCount = 1;
    end
        end


    local Cartography = "";
        local Cartography = "";
    local Scale = "";
        local Scale = "";
    if config.CitationClass == "map" then
        if config.CitationClass == "map" then
    if not is_set( Authors ) and is_set( PublisherName ) then
            if not is_set( Authors ) and is_set( PublisherName ) then
    Authors = PublisherName;
                Authors = PublisherName;
    PublisherName = "";
                PublisherName = "";
    end
            end
    Cartography = A['Cartography'];
            Cartography = A['Cartography'];
    if is_set( Cartography ) then
            if is_set( Cartography ) then
    Cartography = sepc .. " " .. wrap( 'cartography', Cartography, use_lowercase );
                Cartography = sepc .. " " .. wrap( 'cartography', Cartography, use_lowercase );
    end
            end      
    Scale = A['Scale'];
            Scale = A['Scale'];
    if is_set( Scale ) then
            if is_set( Scale ) then
    Scale = sepc .. " " .. Scale;
                Scale = sepc .. " " .. Scale;
    end
            end      
    end
        end
       
    if  not is_set(URL) and
        if  not is_set(URL) and
    not is_set(ChapterURL) and
            not is_set(ChapterURL) and
    not is_set(ArchiveURL) and
            not is_set(ArchiveURL) and
    not is_set(ConferenceURL) and
            not is_set(ConferenceURL) and
    not is_set(TranscriptURL) then
            not is_set(TranscriptURL) then
           
    -- Test if cite web or cite podcast |url= is missing or empty  
            -- Test if cite web or cite podcast |url= is missing or empty  
    if inArray(config.CitationClass, {"web","podcast"}) then
    if inArray(config.CitationClass, {"web","podcast"}) then
    table.insert( z.message_tail, { seterror( 'cite_web_url', {}, true ) } );
    table.insert( z.message_tail, { seterror( 'cite_web_url', {}, true ) } );
    end
    end
           
    -- Test if accessdate is given without giving a URL
            -- Test if accessdate is given without giving a URL
    if is_set(AccessDate) then
            if is_set(AccessDate) then
    table.insert( z.message_tail, { seterror( 'accessdate_missing_url', {}, true ) } );
                table.insert( z.message_tail, { seterror( 'accessdate_missing_url', {}, true ) } );
    AccessDate = '';
                AccessDate = '';
    end
            end
           
    -- Test if format is given without giving a URL
            -- Test if format is given without giving a URL
    if is_set(Format) then
            if is_set(Format) then
    Format = Format .. seterror( 'format_missing_url' );
                Format = Format .. seterror( 'format_missing_url' );
    end
            end
    end
        end
       
    -- Test if citation has no title
        -- Test if citation has no title
    if  not is_set(Chapter) and
        if  not is_set(Chapter) and
    not is_set(Title) and
            not is_set(Title) and
    not is_set(Periodical) and
            not is_set(Periodical) and
    not is_set(Conference) and
            not is_set(Conference) and
    not is_set(TransTitle) and
            not is_set(TransTitle) and
    not is_set(TransChapter) then
            not is_set(TransChapter) then
    table.insert( z.message_tail, { seterror( 'citation_missing_title', {}, true ) } );
            table.insert( z.message_tail, { seterror( 'citation_missing_title', {}, true ) } );
    end
        end
       
    Format = is_set(Format) and " (" .. Format .. ")" or "";
        Format = is_set(Format) and " (" .. Format .. ")" or "";
       
    local OriginalURL = URL
        local OriginalURL = URL
    DeadURL = DeadURL:lower();
        DeadURL = DeadURL:lower();
    if is_set( ArchiveURL ) then
        if is_set( ArchiveURL ) then
    if ( DeadURL ~= "no" ) then
            if ( DeadURL ~= "no" ) then
    URL = ArchiveURL
                URL = ArchiveURL
    URLorigin = A:ORIGIN('ArchiveURL')
                URLorigin = A:ORIGIN('ArchiveURL')
    end
            end
    end
        end
       
    -- Format chapter / article title
        -- Format chapter / article title
    if is_set(Chapter) and is_set(ChapterLink) then  
        if is_set(Chapter) and is_set(ChapterLink) then  
    Chapter = "[[" .. ChapterLink .. "|" .. Chapter .. "]]";
            Chapter = "[[" .. ChapterLink .. "|" .. Chapter .. "]]";
    end
        end
    if is_set(Periodical) and is_set(Title) then
        if is_set(Periodical) and is_set(Title) then
    Chapter = wrap( 'italic-title', Chapter );
            Chapter = wrap( 'italic-title', Chapter );
    TransChapter = wrap( 'trans-italic-title', TransChapter );
            TransChapter = wrap( 'trans-italic-title', TransChapter );
    else
        else
    Chapter = kern_quotes (Chapter); -- if necessary, separate chapter title's leading and trailing quote marks from Module provided quote marks
    Chapter = kern_quotes (Chapter); -- if necessary, separate chapter title's leading and trailing quote marks from Module provided quote marks
    Chapter = wrap( 'quoted-title', Chapter );
            Chapter = wrap( 'quoted-title', Chapter );
    TransChapter = wrap( 'trans-quoted-title', TransChapter );
            TransChapter = wrap( 'trans-quoted-title', TransChapter );
    end
        end
       
    local TransError = ""
        local TransError = ""
    if is_set(TransChapter) then
        if is_set(TransChapter) then
    if not is_set(Chapter) then
            if not is_set(Chapter) then
    TransError = " " .. seterror( 'trans_missing_chapter' );
                TransError = " " .. seterror( 'trans_missing_chapter' );
    else
            else
    TransChapter = " " .. TransChapter;
                TransChapter = " " .. TransChapter;
    end
            end
    end
        end
       
    Chapter = Chapter .. TransChapter;
        Chapter = Chapter .. TransChapter;
       
    if is_set(Chapter) then
        if is_set(Chapter) then
    if not is_set(ChapterLink) then
            if not is_set(ChapterLink) then
    if is_set(ChapterURL) then
                if is_set(ChapterURL) then
    Chapter = externallink( ChapterURL, Chapter ) .. TransError;
                    Chapter = externallink( ChapterURL, Chapter ) .. TransError;
    if not is_set(URL) then
                    if not is_set(URL) then
    Chapter = Chapter .. Format;
                        Chapter = Chapter .. Format;
    Format = "";
                        Format = "";
    end
                    end
    elseif is_set(URL) then  
                elseif is_set(URL) then  
    Chapter = externallink( URL, Chapter ) .. TransError .. Format;
                    Chapter = externallink( URL, Chapter ) .. TransError .. Format;
    URL = "";
                    URL = "";
    Format = "";
                    Format = "";
    else
                else
    Chapter = Chapter .. TransError;
                    Chapter = Chapter .. TransError;
    end
                end          
    elseif is_set(ChapterURL) then
            elseif is_set(ChapterURL) then
    Chapter = Chapter .. " " .. externallink( ChapterURL, nil, ChapterURLorigin ) ..  
                Chapter = Chapter .. " " .. externallink( ChapterURL, nil, ChapterURLorigin ) ..  
    TransError;
                    TransError;
    else
            else
    Chapter = Chapter .. TransError;
                Chapter = Chapter .. TransError;
    end
            end
    Chapter = Chapter .. sepc .. " " -- with end-space
            Chapter = Chapter .. sepc .. " " -- with end-space
    elseif is_set(ChapterURL) then
        elseif is_set(ChapterURL) then
    Chapter = " " .. externallink( ChapterURL, nil, ChapterURLorigin ) .. sepc .. " ";
            Chapter = " " .. externallink( ChapterURL, nil, ChapterURLorigin ) .. sepc .. " ";
    end
        end      
       
    -- Format main title.
        -- Format main title.
    if is_set(TitleLink) and is_set(Title) then
        if is_set(TitleLink) and is_set(Title) then
    Title = "[[" .. TitleLink .. "|" .. Title .. "]]"
            Title = "[[" .. TitleLink .. "|" .. Title .. "]]"
    end
        end
       
    if is_set(Periodical) then
        if is_set(Periodical) then
    Title = kern_quotes (Title); -- if necessary, separate title's leading and trailing quote marks from Module provided quote marks
    Title = kern_quotes (Title); -- if necessary, separate title's leading and trailing quote marks from Module provided quote marks
    Title = wrap( 'quoted-title', Title );
            Title = wrap( 'quoted-title', Title );
    TransTitle = wrap( 'trans-quoted-title', TransTitle );
            TransTitle = wrap( 'trans-quoted-title', TransTitle );
    --[[ Hide unfinished cite newsgroup code so that long delayed update can take place
        elseif inArray(config.CitationClass, {"web","news","pressrelease","conference","podcast"}) and
    elseif inArray(config.CitationClass, {"web","news","pressrelease","conference","podcast","newsgroup"}) and
                not is_set(Chapter) then
    ]] elseif inArray(config.CitationClass, {"web","news","pressrelease","conference","podcast"}) and
    not is_set(Chapter) then
    Title = kern_quotes (Title); -- if necessary, separate title's leading and trailing quote marks from Module provided quote marks
    Title = kern_quotes (Title); -- if necessary, separate title's leading and trailing quote marks from Module provided quote marks
    Title = wrap( 'quoted-title', Title );
            Title = wrap( 'quoted-title', Title );
    TransTitle = wrap( 'trans-quoted-title', TransTitle );
            TransTitle = wrap( 'trans-quoted-title', TransTitle );
    else
        else
    Title = wrap( 'italic-title', Title );
            Title = wrap( 'italic-title', Title );
    TransTitle = wrap( 'trans-italic-title', TransTitle );
            TransTitle = wrap( 'trans-italic-title', TransTitle );
    end
        end
       
    TransError = "";
        TransError = "";
    if is_set(TransTitle) then
        if is_set(TransTitle) then
    if not is_set(Title) then
            if not is_set(Title) then
    TransError = " " .. seterror( 'trans_missing_title' );
                TransError = " " .. seterror( 'trans_missing_title' );
    else
            else
    TransTitle = " " .. TransTitle;
                TransTitle = " " .. TransTitle;
    end
            end
    end
        end
       
    Title = Title .. TransTitle;
        Title = Title .. TransTitle;
       
    if is_set(Title) then
        if is_set(Title) then
    if not is_set(TitleLink) and is_set(URL) then  
            if not is_set(TitleLink) and is_set(URL) then  
    Title = externallink( URL, Title ) .. TransError .. Format  
                Title = externallink( URL, Title ) .. TransError .. Format      
    URL = "";
                URL = "";
    Format = "";
                Format = "";
    else
            else
    Title = Title .. TransError;
                Title = Title .. TransError;
    end
            end
    end
        end
       
    if is_set(Place) then
        if is_set(Place) then
    Place = " " .. wrap( 'written', Place, use_lowercase ) .. sepc .. " ";
            Place = " " .. wrap( 'written', Place, use_lowercase ) .. sepc .. " ";
    end
        end
       
    if is_set(Conference) then
        if is_set(Conference) then
    if is_set(ConferenceURL) then
            if is_set(ConferenceURL) then
    Conference = externallink( ConferenceURL, Conference );
                Conference = externallink( ConferenceURL, Conference );
    end
            end
    Conference = sepc .. " " .. Conference
            Conference = sepc .. " " .. Conference
    elseif is_set(ConferenceURL) then
        elseif is_set(ConferenceURL) then
    Conference = sepc .. " " .. externallink( ConferenceURL, nil, ConferenceURLorigin );
            Conference = sepc .. " " .. externallink( ConferenceURL, nil, ConferenceURLorigin );
    end
        end
       
    if not is_set(Position) then
        if not is_set(Position) then
    local Minutes = A['Minutes'];
            local Minutes = A['Minutes'];
    if is_set(Minutes) then
            if is_set(Minutes) then
    Position = " " .. Minutes .. " " .. cfg.messages['minutes'];
                Position = " " .. Minutes .. " " .. cfg.messages['minutes'];
    else
            else
    local Time = A['Time'];
                local Time = A['Time'];
    if is_set(Time) then
                if is_set(Time) then
    local TimeCaption = A['TimeCaption']
                    local TimeCaption = A['TimeCaption']
    if not is_set(TimeCaption) then
                    if not is_set(TimeCaption) then
    TimeCaption = cfg.messages['event'];
                        TimeCaption = cfg.messages['event'];
    if sepc ~= '.' then
                        if sepc ~= '.' then
    TimeCaption = TimeCaption:lower();
                            TimeCaption = TimeCaption:lower();
    end
                        end
    end
                    end
    Position = " " .. TimeCaption .. " " .. Time;
                    Position = " " .. TimeCaption .. " " .. Time;
    end
                end
    end
            end
    else
        else
    Position = " " .. Position;
            Position = " " .. Position;
    At = '';
            At = '';
    end
        end
       
    if not is_set(Page) then
        if not is_set(Page) then
    if is_set(Pages) then
            if is_set(Pages) then
    if is_set(Periodical) and
                if is_set(Periodical) and
    not inArray(config.CitationClass, {"encyclopaedia","web","book","news","podcast"}) then
                    not inArray(config.CitationClass, {"encyclopaedia","web","book","news","podcast"}) then
    Pages = ": " .. Pages;
                    Pages = ": " .. Pages;
    elseif tonumber(Pages) ~= nil then
                elseif tonumber(Pages) ~= nil then
    Pages = sepc .." " .. PPrefix .. Pages;
                    Pages = sepc .." " .. PPrefix .. Pages;
    else
                else
    Pages = sepc .." " .. PPPrefix .. Pages;
                    Pages = sepc .." " .. PPPrefix .. Pages;
    end
                end
    end
            end
    else
        else
    if is_set(Periodical) and
            if is_set(Periodical) and
    not inArray(config.CitationClass, {"encyclopaedia","web","book","news","podcast"}) then
                not inArray(config.CitationClass, {"encyclopaedia","web","book","news","podcast"}) then
    Page = ": " .. Page;
                Page = ": " .. Page;
    else
            else
    Page = sepc .." " .. PPrefix .. Page;
                Page = sepc .." " .. PPrefix .. Page;
    end
            end
    end
        end
       
    At = is_set(At) and (sepc .. " " .. At) or "";
        At = is_set(At) and (sepc .. " " .. At) or "";
    Position = is_set(Position) and (sepc .. " " .. Position) or "";
        Position = is_set(Position) and (sepc .. " " .. Position) or "";
    if config.CitationClass == 'map' then
        if config.CitationClass == 'map' then
    local Section = A['Section'];
            local Section = A['Section'];
    local Inset = A['Inset'];
            local Inset = A['Inset'];
    if first_set( Pages, Page, At ) ~= nil or sepc ~= '.' then
            if first_set( Pages, Page, At ) ~= nil or sepc ~= '.' then
    if is_set( Section ) then
                if is_set( Section ) then
    Section = ", " .. wrap( 'section', Section, true );
                    Section = ", " .. wrap( 'section', Section, true );
    end
                end
    if is_set( Inset ) then
                if is_set( Inset ) then
    Inset = ", " .. wrap( 'inset', Inset, true );
                    Inset = ", " .. wrap( 'inset', Inset, true );
    end
                end
    else
            else
    if is_set( Section ) then
                if is_set( Section ) then
    Section = sepc .. " " .. wrap( 'section', Section, use_lowercase );
                    Section = sepc .. " " .. wrap( 'section', Section, use_lowercase );
    if is_set( Inset ) then
                    if is_set( Inset ) then
    Inset = ", " .. wrap( 'inset', Inset, true );
                        Inset = ", " .. wrap( 'inset', Inset, true );
    end
                    end
    elseif is_set( Inset ) then
                elseif is_set( Inset ) then
    Inset = sepc .. " " .. wrap( 'inset', Inset, use_lowercase );
                    Inset = sepc .. " " .. wrap( 'inset', Inset, use_lowercase );
    end
                end          
    end
            end          
    At = At .. Section .. Inset;
            At = At .. Section .. Inset;      
    end
        end  


    --[[Look in the list of iso639-1 language codes to see if the value provided in the language parameter matches one of them.  If a match is found,  
    --[[Look in the list of iso639-1 language codes to see if the value provided in the language parameter matches one of them.  If a match is found,  
    Line 1,827: Line 1,691:
    -- handle type parameter for those CS1 citations that have default values
    -- handle type parameter for those CS1 citations that have default values


    if inArray(config.CitationClass, {"AV-media-notes", "DVD-notes", "podcast", "pressrelease", "techreport", "thesis"}) then
    if inArray(config.CitationClass, {"AV media notes", "DVD notes", "podcast", "pressrelease", "techreport", "thesis"}) then
    TitleType = set_titletype (config.CitationClass, TitleType);
    TitleType = set_titletype (config.CitationClass, TitleType);
    if is_set(Degree) and "Thesis" == TitleType then -- special case for cite thesis
    if is_set(Degree) and "Thesis" == TitleType then -- special case for cite thesis
    Line 1,839: Line 1,703:


    TitleNote = is_set(TitleNote) and (sepc .. " " .. TitleNote) or "";
    TitleNote = is_set(TitleNote) and (sepc .. " " .. TitleNote) or "";
    Edition = is_set(Edition) and (" " .. wrap( 'edition', Edition )) or "";
        Edition = is_set(Edition) and (" " .. wrap( 'edition', Edition )) or "";
    Issue = is_set(Issue) and (" (" .. Issue .. ")") or "";
        Issue = is_set(Issue) and (" (" .. Issue .. ")") or "";
    Series = is_set(Series) and (sepc .. " " .. Series) or "";
        Series = is_set(Series) and (sepc .. " " .. Series) or "";
    OrigYear = is_set(OrigYear) and (" [" .. OrigYear .. "]") or "";
        OrigYear = is_set(OrigYear) and (" [" .. OrigYear .. "]") or "";
    Agency = is_set(Agency) and (sepc .. " " .. Agency) or "";
        Agency = is_set(Agency) and (sepc .. " " .. Agency) or "";


    if is_set(Volume) then
        if is_set(Volume) then
    if ( mw.ustring.len(Volume) > 4 )
            if ( mw.ustring.len(Volume) > 4 )
      then Volume = sepc .." " .. Volume;
              then Volume = sepc .." " .. Volume;
      else Volume = " <b>" .. hyphentodash(Volume) .. "</b>";
              else Volume = " <b>" .. hyphentodash(Volume) .. "</b>";
    end
            end
    end
        end


    --[[ This code commented out while discussion continues until after week of 2014-03-23 live module update;
    --[[ This code commented out while discussion continues until after week of 2014-03-23 live module update;
    if is_set(Volume) then
        if is_set(Volume) then
    if ( mw.ustring.len(Volume) > 4 )
            if ( mw.ustring.len(Volume) > 4 )
      then Volume = sepc .. " " .. Volume;
              then Volume = sepc .. " " .. Volume;
      else
              else
      Volume = " <b>" .. hyphentodash(Volume) .. "</b>";
                  Volume = " <b>" .. hyphentodash(Volume) .. "</b>";
      if is_set(Series) then Volume = sepc .. Volume;
                  if is_set(Series) then Volume = sepc .. Volume;
      end
                  end
    end
            end
    end
        end
    ]]
    ]]  
    ------------------------------------ totally unrelated data
        ------------------------------------ totally unrelated data
    --[[ Loosely mimic {{subscription required}} template; Via parameter identifies a delivery source that is not the publisher; these sources often, but not always, exist
        --[[ Loosely mimic {{subscription required}} template; Via parameter identifies a delivery source that is not the publisher; these sources often, but not always, exist
    behind a registration or paywall.  So here, we've chosen to decouple via from subscription (via has never been part of the registration required template).
        behind a registration or paywall.  So here, we've chosen to decouple via from subscription (via has never been part of the registration required template).
       
    Subscription implies paywall; Registration does not.  If both are used in a citation, the subscription required link note is displayed. There are no error messages for this condition.
        Subscription implies paywall; Registration does not.  If both are used in a citation, the subscription required link note is displayed. There are no error messages for this condition.
    ]]
        ]]
    if is_set(Via) then
        if is_set(Via) then
    Via = " " .. wrap( 'via', Via );
            Via = " " .. wrap( 'via', Via );
    end
        end


    if is_set(SubscriptionRequired) then
    if is_set(SubscriptionRequired) then
    SubscriptionRequired = sepc .. " " .. cfg.messages['subscription']; --here when 'via' parameter not used but 'subscription' is
            SubscriptionRequired = sepc .. " " .. cfg.messages['subscription']; --here when 'via' parameter not used but 'subscription' is
    elseif is_set(RegistrationRequired) then
        elseif is_set(RegistrationRequired) then
    SubscriptionRequired = sepc .. " " .. cfg.messages['registration']; --here when 'via' and 'subscription' parameters not used but 'registration' is
            SubscriptionRequired = sepc .. " " .. cfg.messages['registration']; --here when 'via' and 'subscription' parameters not used but 'registration' is
    end
        end


    if is_set(AccessDate) then
        if is_set(AccessDate) then
    local retrv_text = " " .. cfg.messages['retrieved']
            local retrv_text = " " .. cfg.messages['retrieved']
    if (sepc ~= ".") then retrv_text = retrv_text:lower() end
            if (sepc ~= ".") then retrv_text = retrv_text:lower() end
    AccessDate = '<span class="reference-accessdate">' .. sepc
            AccessDate = '<span class="reference-accessdate">' .. sepc
    .. substitute( retrv_text, {AccessDate} ) .. '</span>'
                .. substitute( retrv_text, {AccessDate} ) .. '</span>'
    end
        end
       
    if is_set(ID) then ID = sepc .." ".. ID; end
        if is_set(ID) then ID = sepc .." ".. ID; end
       if "thesis" == config.CitationClass and is_set(Docket) then
       if "thesis" == config.CitationClass and is_set(Docket) then
    ID = sepc .." Docket ".. Docket .. ID;
    ID = sepc .." Docket ".. Docket .. ID;
    end
    end


       
    ID_list = buildidlist( ID_list, {DoiBroken = DoiBroken, ASINTLD = ASINTLD, IgnoreISBN = IgnoreISBN, Embargo=Embargo} );
        ID_list = buildidlist( ID_list, {DoiBroken = DoiBroken, ASINTLD = ASINTLD, IgnoreISBN = IgnoreISBN, Embargo=Embargo} );


    if is_set(URL) then
        if is_set(URL) then
    URL = " " .. externallink( URL, nil, URLorigin );
            URL = " " .. externallink( URL, nil, URLorigin );
    end
        end


    if is_set(Quote) then
        if is_set(Quote) then
    if Quote:sub(1,1) == '"' and Quote:sub(-1,-1) == '"' then
            if Quote:sub(1,1) == '"' and Quote:sub(-1,-1) == '"' then
    Quote = Quote:sub(2,-2);
                Quote = Quote:sub(2,-2);
    end
            end
    Quote = sepc .." " .. wrap( 'quoted-text', Quote );  
            Quote = sepc .." " .. wrap( 'quoted-text', Quote );  
    PostScript = ""; -- CS1 does not supply terminal punctuation when |quote= is set
            PostScript = ""; -- CS1 does not supply terminal punctuation when |quote= is set
    end
        end
       
    local Archived
        local Archived
    if is_set(ArchiveURL) then
        if is_set(ArchiveURL) then
    if not is_set(ArchiveDate) then
            if not is_set(ArchiveDate) then
    ArchiveDate = seterror('archive_missing_date');
                ArchiveDate = seterror('archive_missing_date');
    end
            end
    if "no" == DeadURL then
            if "no" == DeadURL then
    local arch_text = cfg.messages['archived'];
                local arch_text = cfg.messages['archived'];
    if sepc ~= "." then arch_text = arch_text:lower() end
                if sepc ~= "." then arch_text = arch_text:lower() end
    Archived = sepc .. " " .. substitute( cfg.messages['archived-not-dead'],
                Archived = sepc .. " " .. substitute( cfg.messages['archived-not-dead'],
    { externallink( ArchiveURL, arch_text ), ArchiveDate } );
                    { externallink( ArchiveURL, arch_text ), ArchiveDate } );
    if not is_set(OriginalURL) then
                if not is_set(OriginalURL) then
    Archived = Archived .. " " .. seterror('archive_missing_url');  
                    Archived = Archived .. " " .. seterror('archive_missing_url');                              
    end
                end
    elseif is_set(OriginalURL) then
            elseif is_set(OriginalURL) then
    local arch_text = cfg.messages['archived-dead'];
                local arch_text = cfg.messages['archived-dead'];
    if sepc ~= "." then arch_text = arch_text:lower() end
                if sepc ~= "." then arch_text = arch_text:lower() end
    Archived = sepc .. " " .. substitute( arch_text,
                Archived = sepc .. " " .. substitute( arch_text,
    { externallink( OriginalURL, cfg.messages['original'] ), ArchiveDate } );
                    { externallink( OriginalURL, cfg.messages['original'] ), ArchiveDate } );
    else
            else
    local arch_text = cfg.messages['archived-missing'];
                local arch_text = cfg.messages['archived-missing'];
    if sepc ~= "." then arch_text = arch_text:lower() end
                if sepc ~= "." then arch_text = arch_text:lower() end
    Archived = sepc .. " " .. substitute( arch_text,  
                Archived = sepc .. " " .. substitute( arch_text,  
    { seterror('archive_missing_url'), ArchiveDate } );
                    { seterror('archive_missing_url'), ArchiveDate } );
    end
            end
    else
        else
    Archived = ""
            Archived = ""
    end
        end
       
    local Lay
        local Lay
    if is_set(LayURL) then
        if is_set(LayURL) then
    if is_set(LayDate) then LayDate = " (" .. LayDate .. ")" end
            if is_set(LayDate) then LayDate = " (" .. LayDate .. ")" end
    if is_set(LaySource) then  
            if is_set(LaySource) then  
    LaySource = " &ndash; ''" .. safeforitalics(LaySource) .. "''";
                LaySource = " &ndash; ''" .. safeforitalics(LaySource) .. "''";
    else
            else
    LaySource = "";
                LaySource = "";
    end
            end
    if sepc == '.' then
            if sepc == '.' then
    Lay = sepc .. " " .. externallink( LayURL, cfg.messages['lay summary'] ) .. LaySource .. LayDate
                Lay = sepc .. " " .. externallink( LayURL, cfg.messages['lay summary'] ) .. LaySource .. LayDate
    else
            else
    Lay = sepc .. " " .. externallink( LayURL, cfg.messages['lay summary']:lower() ) .. LaySource .. LayDate
                Lay = sepc .. " " .. externallink( LayURL, cfg.messages['lay summary']:lower() ) .. LaySource .. LayDate
    end
            end          
    else
        else
    Lay = "";
            Lay = "";
    end
        end
       
    if is_set(Transcript) then
        if is_set(Transcript) then
    if is_set(TranscriptURL) then Transcript = externallink( TranscriptURL, Transcript ); end
            if is_set(TranscriptURL) then Transcript = externallink( TranscriptURL, Transcript ); end
    elseif is_set(TranscriptURL) then
        elseif is_set(TranscriptURL) then
    Transcript = externallink( TranscriptURL, nil, TranscriptURLorigin );
            Transcript = externallink( TranscriptURL, nil, TranscriptURLorigin );
    end
        end
       
    local Publisher;
        local Publisher;
    if is_set(Periodical) and
        if is_set(Periodical) and
    not inArray(config.CitationClass, {"encyclopaedia","web","pressrelease","podcast"}) then
            not inArray(config.CitationClass, {"encyclopaedia","web","pressrelease","podcast"}) then
    if is_set(PublisherName) then
            if is_set(PublisherName) then
    if is_set(PublicationPlace) then
                if is_set(PublicationPlace) then
    Publisher = PublicationPlace .. ": " .. PublisherName;
                    Publisher = PublicationPlace .. ": " .. PublisherName;
    else
                else
    Publisher = PublisherName;   
                    Publisher = PublisherName;   
    end
                end
    elseif is_set(PublicationPlace) then
            elseif is_set(PublicationPlace) then
    Publisher= PublicationPlace;
                Publisher= PublicationPlace;
    else  
            else  
    Publisher = "";
                Publisher = "";
    end
            end
    if is_set(PublicationDate) then
            if is_set(PublicationDate) then
    if is_set(Publisher) then
                if is_set(Publisher) then
    Publisher = Publisher .. ", " .. wrap( 'published', PublicationDate );
                    Publisher = Publisher .. ", " .. wrap( 'published', PublicationDate );
    else
                else
    Publisher = PublicationDate;
                    Publisher = PublicationDate;
    end
                end
    end
            end
    if is_set(Publisher) then
            if is_set(Publisher) then
    Publisher = " (" .. Publisher .. ")";
                Publisher = " (" .. Publisher .. ")";
    end
            end
    else
        else
    if is_set(PublicationDate) then
            if is_set(PublicationDate) then
    PublicationDate = " (" .. wrap( 'published', PublicationDate ) .. ")";
                PublicationDate = " (" .. wrap( 'published', PublicationDate ) .. ")";
    end
            end
    if is_set(PublisherName) then
            if is_set(PublisherName) then
    if is_set(PublicationPlace) then
                if is_set(PublicationPlace) then
    Publisher = sepc .. " " .. PublicationPlace .. ": " .. PublisherName .. PublicationDate;
                    Publisher = sepc .. " " .. PublicationPlace .. ": " .. PublisherName .. PublicationDate;
    else
                else
    Publisher = sepc .. " " .. PublisherName .. PublicationDate;   
                    Publisher = sepc .. " " .. PublisherName .. PublicationDate;   
    end
                end          
    elseif is_set(PublicationPlace) then  
            elseif is_set(PublicationPlace) then  
    Publisher= sepc .. " " .. PublicationPlace .. PublicationDate;
                Publisher= sepc .. " " .. PublicationPlace .. PublicationDate;
    else  
            else  
    Publisher = PublicationDate;
                Publisher = PublicationDate;
    end
            end
    end
        end
       
    -- Several of the above rely upon detecting this as nil, so do it last.
        -- Several of the above rely upon detecting this as nil, so do it last.
    if is_set(Periodical) then
        if is_set(Periodical) then
    if is_set(Title) or is_set(TitleNote) then  
            if is_set(Title) or is_set(TitleNote) then  
    Periodical = sepc .. " " .. wrap( 'italic-title', Periodical )  
                Periodical = sepc .. " " .. wrap( 'italic-title', Periodical )  
    else  
            else  
    Periodical = wrap( 'italic-title', Periodical )
                Periodical = wrap( 'italic-title', Periodical )
    end
            end
    end
        end


    --[[
    --[[
    Line 2,020: Line 1,884:
    end
    end


    -- Piece all bits together at last.  Here, all should be non-nil.
        -- Piece all bits together at last.  Here, all should be non-nil.
    -- We build things this way because it is more efficient in LUA
        -- We build things this way because it is more efficient in LUA
    -- not to keep reassigning to the same string variable over and over.
        -- not to keep reassigning to the same string variable over and over.


    local tcommon
        local tcommon
    if inArray(config.CitationClass, {"journal","citation"}) and is_set(Periodical) then
        if inArray(config.CitationClass, {"journal","citation"}) and is_set(Periodical) then
    if is_set(Others) then Others = Others .. sepc .. " " end
            if is_set(Others) then Others = Others .. sepc .. " " end
    tcommon = safejoin( {Others, Title, TitleNote, Conference, Periodical, Format, TitleType, Scale, Series,  
            tcommon = safejoin( {Others, Title, TitleNote, Conference, Periodical, Format, TitleType, Scale, Series,  
    Language, Cartography, Edition, Publisher, Agency, Volume, Issue}, sepc );
                Language, Cartography, Edition, Publisher, Agency, Volume, Issue}, sepc );
    else  
        else  
    tcommon = safejoin( {Title, TitleNote, Conference, Periodical, Format, TitleType, Scale, Series, Language,  
            tcommon = safejoin( {Title, TitleNote, Conference, Periodical, Format, TitleType, Scale, Series, Language,  
    Volume, Issue, Others, Cartography, Edition, Publisher, Agency}, sepc );
                Volume, Issue, Others, Cartography, Edition, Publisher, Agency}, sepc );
    end
        end
       
    if #ID_list > 0 then
        if #ID_list > 0 then
    ID_list = safejoin( { sepc .. " ",  table.concat( ID_list, sepc .. " " ), ID }, sepc );
            ID_list = safejoin( { sepc .. " ",  table.concat( ID_list, sepc .. " " ), ID }, sepc );
    else
        else
    ID_list = ID;
            ID_list = ID;
    end
        end
       
    local idcommon = safejoin( { ID_list, URL, Archived, AccessDate, Via, SubscriptionRequired, Lay, Quote }, sepc );
        local idcommon = safejoin( { ID_list, URL, Archived, AccessDate, Via, SubscriptionRequired, Lay, Quote }, sepc );
    local text;
        local text;
    local pgtext = Position .. Page .. Pages .. At;
        local pgtext = Position .. Page .. Pages .. At;
       
    if is_set(Authors) then
        if is_set(Authors) then
    if is_set(Coauthors) then
            if is_set(Coauthors) then
    Authors = Authors .. A['AuthorSeparator'] .. " " .. Coauthors
                Authors = Authors .. A['AuthorSeparator'] .. " " .. Coauthors
    end
            end
    if is_set(Date) then
            if is_set(Date) then
    Date = " ("..Date..")" .. OrigYear .. sepc .. " "
                Date = " ("..Date..")" .. OrigYear .. sepc .. " "
    elseif string.sub(Authors,-1,-1) == sepc then
            elseif string.sub(Authors,-1,-1) == sepc then
    Authors = Authors .. " "
                Authors = Authors .. " "
    else
            else
    Authors = Authors .. sepc .. " "
                Authors = Authors .. sepc .. " "
    end
            end
    if is_set(Editors) then
            if is_set(Editors) then
    local in_text = " ";
                local in_text = " ";
    local post_text = "";
                local post_text = "";
    if is_set(Chapter) then
                if is_set(Chapter) then
    in_text = in_text .. cfg.messages['in'] .. " "
                    in_text = in_text .. cfg.messages['in'] .. " "
    else
                else
    if EditorCount <= 1 then
                    if EditorCount <= 1 then
    post_text = ", " .. cfg.messages['editor'];
                        post_text = ", " .. cfg.messages['editor'];
    else
                    else
    post_text = ", " .. cfg.messages['editors'];
                        post_text = ", " .. cfg.messages['editors'];
    end
                    end
    end  
                end  
    if (sepc ~= '.') then in_text = in_text:lower() end
                if (sepc ~= '.') then in_text = in_text:lower() end
    Editors = in_text .. Editors .. post_text;
                Editors = in_text .. Editors .. post_text;
    if (string.sub(Editors,-1,-1) == sepc)
                if (string.sub(Editors,-1,-1) == sepc)
    then Editors = Editors .. " "
                    then Editors = Editors .. " "
    else Editors = Editors .. sepc .. " "
                    else Editors = Editors .. sepc .. " "
    end
                end
    end
            end
    text = safejoin( {Authors, Date, Chapter, Place, Editors, tcommon }, sepc );
            text = safejoin( {Authors, Date, Chapter, Place, Editors, tcommon }, sepc );
    text = safejoin( {text, pgtext, idcommon}, sepc );
            text = safejoin( {text, pgtext, idcommon}, sepc );
    elseif is_set(Editors) then
        elseif is_set(Editors) then
    if is_set(Date) then
            if is_set(Date) then
    if EditorCount <= 1 then
                if EditorCount <= 1 then
    Editors = Editors .. ", " .. cfg.messages['editor'];
                    Editors = Editors .. ", " .. cfg.messages['editor'];
    else
                else
    Editors = Editors .. ", " .. cfg.messages['editors'];
                    Editors = Editors .. ", " .. cfg.messages['editors'];
    end
                end
    Date = " (" .. Date ..")" .. OrigYear .. sepc .. " "
                Date = " (" .. Date ..")" .. OrigYear .. sepc .. " "
    else
            else
    if EditorCount <= 1 then
                if EditorCount <= 1 then
    Editors = Editors .. " (" .. cfg.messages['editor'] .. ")" .. sepc .. " "
                    Editors = Editors .. " (" .. cfg.messages['editor'] .. ")" .. sepc .. " "
    else
                else
    Editors = Editors .. " (" .. cfg.messages['editors'] .. ")" .. sepc .. " "
                    Editors = Editors .. " (" .. cfg.messages['editors'] .. ")" .. sepc .. " "
    end
                end
    end
            end
    text = safejoin( {Editors, Date, Chapter, Place, tcommon}, sepc );
            text = safejoin( {Editors, Date, Chapter, Place, tcommon}, sepc );
    text = safejoin( {text, pgtext, idcommon}, sepc );
            text = safejoin( {text, pgtext, idcommon}, sepc );
    else
        else
    if is_set(Date) then
            if is_set(Date) then
    if ( string.sub(tcommon,-1,-1) ~= sepc )
                if ( string.sub(tcommon,-1,-1) ~= sepc )
      then Date = sepc .." " .. Date .. OrigYear
                  then Date = sepc .." " .. Date .. OrigYear
      else Date = " " .. Date .. OrigYear
                  else Date = " " .. Date .. OrigYear
    end
                end
    end
            end
    if config.CitationClass=="journal" and is_set(Periodical) then
            if config.CitationClass=="journal" and is_set(Periodical) then
    text = safejoin( {Chapter, Place, tcommon}, sepc );
                text = safejoin( {Chapter, Place, tcommon}, sepc );
    text = safejoin( {text, pgtext, Date, idcommon}, sepc );
                text = safejoin( {text, pgtext, Date, idcommon}, sepc );
    else
            else
    text = safejoin( {Chapter, Place, tcommon, Date}, sepc );
                text = safejoin( {Chapter, Place, tcommon, Date}, sepc );
    text = safejoin( {text, pgtext, idcommon}, sepc );
                text = safejoin( {text, pgtext, idcommon}, sepc );
    end
            end
    end
        end
       
    if is_set(PostScript) and PostScript ~= sepc then
    if is_set(PostScript) and PostScript ~= sepc then
    text = safejoin( {text, sepc}, sepc );  --Deals with italics, spaces, etc.
    text = safejoin( {text, sepc}, sepc );  --Deals with italics, spaces, etc.
    text = text:sub(1,-sepc:len()-1);
    text = text:sub(1,-sepc:len()-1);
    -- text = text:sub(1,-2); --Remove final separator (assumes that sepc is only one character)
    -- text = text:sub(1,-2); --Remove final separator (assumes that sepc is only one character)
    end
    end  
       
    text = safejoin( {text, PostScript}, sepc );
        text = safejoin( {text, PostScript}, sepc );


    -- Now enclose the whole thing in a <span/> element
        -- Now enclose the whole thing in a <span/> element
    local options = {};
        local options = {};
       
    if is_set(config.CitationClass) and config.CitationClass ~= "citation" then
        if is_set(config.CitationClass) and config.CitationClass ~= "citation" then
    options.class = "citation " .. config.CitationClass;
            options.class = "citation " .. config.CitationClass;
    else
        else
    options.class = "citation";
            options.class = "citation";
    end
        end
       
    if is_set(Ref) and Ref:lower() ~= "none" then
        if is_set(Ref) and Ref:lower() ~= "none" then
    local id = Ref
            local id = Ref
    if ( "harv" == Ref ) then
            if ( "harv" == Ref ) then
    local names = {} --table of last names & year
                local names = {} --table of last names & year
    if #a > 0 then
                if #a > 0 then
    for i,v in ipairs(a) do  
                    for i,v in ipairs(a) do  
    names[i] = v.last  
                        names[i] = v.last  
    if i == 4 then break end
                        if i == 4 then break end
    end
                    end
    elseif #e > 0 then
                elseif #e > 0 then
    for i,v in ipairs(e) do  
                    for i,v in ipairs(e) do  
    names[i] = v.last  
                        names[i] = v.last  
    if i == 4 then break end
                        if i == 4 then break end              
    end
                    end
    end
                end
    names[ #names + 1 ] = first_set(Year, anchor_year); -- Year first for legacy citations
    names[ #names + 1 ] = first_set(Year, anchor_year); -- Year first for legacy citations
    id = anchorid(names)
                id = anchorid(names)
    end
            end
    options.id = id;
            options.id = id;
    end
        end
       
    if string.len(text:gsub("<span[^>/]*>.-</span>", ""):gsub("%b<>","")) <= 2 then
        if string.len(text:gsub("<span[^>/]*>.-</span>", ""):gsub("%b<>","")) <= 2 then
    z.error_categories = {};
            z.error_categories = {};
    text = seterror('empty_citation');
            text = seterror('empty_citation');
    z.message_tail = {};
            z.message_tail = {};
    end
        end
       
    if is_set(options.id) then  
        if is_set(options.id) then  
    text = '<span id="' .. mw.uri.anchorEncode(options.id) ..'" class="' .. mw.text.nowiki(options.class) .. '">' .. text .. "</span>";
            text = '<span id="' .. mw.uri.anchorEncode(options.id) ..'" class="' .. mw.text.nowiki(options.class) .. '">' .. text .. "</span>";
    else
        else
    text = '<span class="' .. mw.text.nowiki(options.class) .. '">' .. text .. "</span>";
            text = '<span class="' .. mw.text.nowiki(options.class) .. '">' .. text .. "</span>";
    end
        end      


    local empty_span = '<span style="display:none;">&nbsp;</span>';
        local empty_span = '<span style="display:none;">&nbsp;</span>';
       
    -- Note: Using display: none on then COinS span breaks some clients.
        -- Note: Using display: none on then COinS span breaks some clients.
    local OCinS = '<span title="' .. OCinSoutput .. '" class="Z3988">' .. empty_span .. '</span>';
        local OCinS = '<span title="' .. OCinSoutput .. '" class="Z3988">' .. empty_span .. '</span>';
    text = text .. OCinS;
        text = text .. OCinS;
       
    if #z.message_tail ~= 0 then
        if #z.message_tail ~= 0 then
    text = text .. " ";
            text = text .. " ";
    for i,v in ipairs( z.message_tail ) do
            for i,v in ipairs( z.message_tail ) do
    if is_set(v[1]) then
                if is_set(v[1]) then
    if i == #z.message_tail then
                    if i == #z.message_tail then
    text = text .. errorcomment( v[1], v[2] );
                        text = text .. errorcomment( v[1], v[2] );
    else
                    else
    text = text .. errorcomment( v[1] .. "; ", v[2] );
                        text = text .. errorcomment( v[1] .. "; ", v[2] );
    end
                    end
    end
                end
    end
            end
    end
        end
       
    no_tracking_cats = no_tracking_cats:lower();
        no_tracking_cats = no_tracking_cats:lower();
    if inArray(no_tracking_cats, {"", "no", "false", "n"}) then
        if inArray(no_tracking_cats, {"", "no", "false", "n"}) then
    for _, v in ipairs( z.error_categories ) do
            for _, v in ipairs( z.error_categories ) do
    text = text .. '[[Category:' .. v ..']]';
                text = text .. '[[Category:' .. v ..']]';
    end
            end
    end
        end
       
    return text
        return text
    end
    end


    -- This is used by templates such as {{cite book}} to create the actual citation text.
    -- This is used by templates such as {{cite book}} to create the actual citation text.
    function z.citation(frame)
    function z.citation(frame)
    local pframe = frame:getParent()
        local pframe = frame:getParent()
       
    if nil ~= string.find( frame:getTitle(), 'sandbox', 1, true ) then -- did the {{#invoke:}} use sandbox version?
        if nil ~= string.find( frame:getTitle(), 'sandbox', 1, true ) then -- did the {{#invoke:}} use sandbox version?
    cfg = mw.loadData( 'Module:Citation/CS1/Configuration/sandbox' ); -- load sandbox versions of Configuration and Whitelist and ...
        cfg = mw.loadData( 'Module:Citation/CS1/Configuration/sandbox' ); -- load sandbox versions of Configuration and Whitelist and ...
    whitelist = mw.loadData( 'Module:Citation/CS1/Whitelist/sandbox' );
        whitelist = mw.loadData( 'Module:Citation/CS1/Whitelist/sandbox' );
    dates = require('Module:Citation/CS1/Date_validation/sandbox').dates -- ... sandbox version of date validation code
        dates = require('Module:Citation/CS1/Date_validation/sandbox').dates -- ... sandbox version of date validation code
    else -- otherwise
        else -- otherwise
    cfg = mw.loadData( 'Module:Citation/CS1/Configuration' ); -- load live versions of Configuration and Whitelist and ...
        cfg = mw.loadData( 'Module:Citation/CS1/Configuration' ); -- load live versions of Configuration and Whitelist and ...
    whitelist = mw.loadData( 'Module:Citation/CS1/Whitelist' );
        whitelist = mw.loadData( 'Module:Citation/CS1/Whitelist' );
    dates = require('Module:Citation/CS1/Date_validation').dates -- ... live version of date validation code
        dates = require('Module:Citation/CS1/Date_validation').dates -- ... live version of date validation code
    end
    end
    local args = {};
        local args = {};
    local suggestions = {};
        local suggestions = {};
    local error_text, error_state;
        local error_text, error_state;


    local config = {};
        local config = {};
    for k, v in pairs( frame.args ) do
        for k, v in pairs( frame.args ) do
    config[k] = v;
            config[k] = v;
    args[k] = v;  
            args[k] = v;      
    end
        end  


    for k, v in pairs( pframe.args ) do
        for k, v in pairs( pframe.args ) do
    if v ~= '' then
            if v ~= '' then
    if not validate( k ) then
                if not validate( k ) then          
    error_text = "";
                    error_text = "";
    if type( k ) ~= 'string' then
                    if type( k ) ~= 'string' then
    -- Exclude empty numbered parameters
                        -- Exclude empty numbered parameters
    if v:match("%S+") ~= nil then
                        if v:match("%S+") ~= nil then
    error_text, error_state = seterror( 'text_ignored', {v}, true );
                            error_text, error_state = seterror( 'text_ignored', {v}, true );
    end
                        end
    elseif validate( k:lower() ) then  
                    elseif validate( k:lower() ) then  
    error_text, error_state = seterror( 'parameter_ignored_suggest', {k, k:lower()}, true );
                        error_text, error_state = seterror( 'parameter_ignored_suggest', {k, k:lower()}, true );
    else
                    else
    if #suggestions == 0 then
                        if #suggestions == 0 then
    suggestions = mw.loadData( 'Module:Citation/CS1/Suggestions' );
                            suggestions = mw.loadData( 'Module:Citation/CS1/Suggestions' );
    end
                        end
    if suggestions[ k:lower() ] ~= nil then
                        if suggestions[ k:lower() ] ~= nil then
    error_text, error_state = seterror( 'parameter_ignored_suggest', {k, suggestions[ k:lower() ]}, true );
                            error_text, error_state = seterror( 'parameter_ignored_suggest', {k, suggestions[ k:lower() ]}, true );
    else
                        else
    error_text, error_state = seterror( 'parameter_ignored', {k}, true );
                            error_text, error_state = seterror( 'parameter_ignored', {k}, true );
    end
                        end
    end  
                    end                
    if error_text ~= '' then
                    if error_text ~= '' then
    table.insert( z.message_tail, {error_text, error_state} );
                        table.insert( z.message_tail, {error_text, error_state} );
    end
                    end              
    end
                end
    args[k] = v;
                args[k] = v;
    elseif args[k] ~= nil or (k == 'postscript') then
            elseif args[k] ~= nil or (k == 'postscript') then
    args[k] = v;
                args[k] = v;
    end
            end      
    end
        end  
       
    return citation0( config, args)
        return citation0( config, args)
    end
    end


    return z
    return z
    Retrieved from "https://nonbinary.wiki/wiki/Module:Citation/CS1"