Module:Citation/CS1: Difference between revisions
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elseif not utilities.is_set (v) then -- for empty parameters | elseif not utilities.is_set (v) then -- for empty parameters | ||
if not validate (k, config.CitationClass, true) then -- is this empty parameter a valid parameter | if not validate (k, config.CitationClass, true) then -- is this empty parameter a valid parameter | ||
k = k:gsub ('^$', '(empty string)'); -- when k is empty string (or was space(s) trimmed to empty string), replace with descriptive text | k = ('' == k) and k:gsub ('^$', '(empty string)') or k; -- when k is empty string (or was space(s) trimmed to empty string), replace with descriptive text | ||
table.insert (empty_unknowns, utilities.wrap_style ('parameter', k)); -- format for error message and add to the list | table.insert (empty_unknowns, utilities.wrap_style ('parameter', k)); -- format for error message and add to the list | ||
end | end | ||