Module:Citation/CS1/Date validation and Module:Citation/CS1/Date validation/sandbox: Difference between pages
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History of changes since last sync: 2024-08-17 |
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--[[--------------------------< F O R W A R D D E C L A R A T I O N S >-------------------------------------- |
--[[--------------------------< F O R W A R D D E C L A R A T I O N S >-------------------------------------- |
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Special case for |pmc-embargo-date=: years more than two years in the future are not acceptable |
Special case for |pmc-embargo-date=: years more than two years in the future are not acceptable |
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This function also catches zero-padded years which are proscribed by MOS:BADDATE |
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local function is_valid_year (year, param) |
local function is_valid_year (year, param) |
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if mw.ustring.match (year, '^0') then -- first digit of <year> must not be zero |
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return false; |
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end |
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if not is_set (year_limit) then |
if not is_set (year_limit) then |
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year_limit = tonumber(os.date("%Y"))+1; -- global variable so we only have to fetch it once |
year_limit = tonumber(os.date("%Y"))+1; -- global variable so we only have to fetch it once |
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end |
end |
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elseif mw.ustring.match(date_string, "%d%d%d%d[%-–]%d%d") then |
elseif mw.ustring.match(date_string, "^%d%d%d%d[%-–]%d%d$") then -- YYYY-YY date ranges; not to be confused with first part of YYYY-MM-DD |
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local century; |
local century; |
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date1, century, date2 = mw.ustring.match(date_string, "((%d%d)%d%d)[%-–]+(%d%d)"); |
date1, century, date2 = mw.ustring.match(date_string, "((%d%d)%d%d)[%-–]+(%d%d)"); |
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