Module:Check isxn: Difference between revisions
Content deleted Content added
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Line 66:
local temp = 0;
if isbn_str:match( "^97[89]%d*$" ) == nil then return false; end -- isbn13 begins with 978 or 979; ismn begins with 979
return is_valid_isxn_13 (isbn_str) and '' or
end
end
Line 123:
function p.check_isbn(frame)
return
end
function p.check_ismn(frame)
return
end
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