ISBN13 check digit: Difference between revisions

m
→‎{{header|Wren}}: Changed to Wren S/H
imported>Chinhouse
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m (→‎{{header|Wren}}: Changed to Wren S/H)
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=={{header|Wren}}==
<syntaxhighlight lang="ecmascriptwren">var isbn13 = Fn.new { |s|
var cps = s.codePoints
var digits = []
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