Message155323
| Author |
poq |
| Recipients |
Arfrever, Nicholas.Cole, ezio.melotti, inigoserna, loewis, poq, tchrist, vstinner, zeha |
| Date |
2012年03月10日.16:52:53 |
| SpamBayes Score |
0.0013035143 |
| Marked as misclassified |
No |
| Message-id |
<1331398374.59.0.359908742277.issue12568@psf.upfronthosting.co.za> |
| In-reply-to |
| Content |
Martin, I think you meant to write "if w == 'A':".
Some very common characters have ambiguous widths though (e.g. the Greek alphabet), so you can't just raise an error for them.
http://unicode.org/reports/tr11/ says:
"Ambiguous characters occur in East Asian legacy character sets as wide characters, but as narrow (i.e., normal-width) characters in non-East Asian usage."
So in practice applications can treat ambiguous characters as narrow by default, with a user setting to use legacy (wide) width.
As Tom pointed out there are also a bunch of zero width characters, and characters with special formatting like tab, soft hyphen, ... |
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