Module:Citation/CS1/Identifiers and Module:Citation/CS1/Identifiers/sandbox: Difference between pages
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--[[ | |||
History of changes since last sync: 2025-04-12 | |||
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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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if year and not ignore_invalid then -- | if year and not ignore_invalid then -- | ||
year = year:match ('%d%d%d%d?'); -- strip disambiguator if present | year = year:match ('%d%d%d%d?'); -- strip disambiguator if present | ||
if | if 1965 > tonumber(year) then | ||
set_message ('err_invalid_isbn_date'); -- set an error message | set_message ('err_invalid_isbn_date'); -- set an error message | ||
return internal_link_id ({link = handler.link, label = handler.label, redirect = handler.redirect, | return internal_link_id ({link = handler.link, label = handler.label, redirect = handler.redirect, | ||
