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[Bug localedata/22073] charmaps/UTF-8: wcwidth of U+00AD (soft hyphen): 0 or 1 ?


https://sourceware.org/bugzilla/show_bug.cgi?id=22073

--- Comment #18 from Thorsten Glaser <tg at mirbsd dot de> ---
(In reply to Troy Korjuslommi from comment #17)

> I don't see any disagreement over the intent of the SHY, so why not make
> the lives of writers (who could then start including SHY in text) and

That is done even when wcwidth(U+00AD) == 1, because the application would
never send U+00AD to the tty but always either no character or one of the
other hyphen-ish codepoints.

In fact, if a font renders U+00AD different from U+002D, an SHY-aware
application might even PREFER it to have wcwidth 1 because then it COULD
send U+00AD to the tty *in the places where it expands to a hyphenation*
(and just omit it where not).

For GUI applications, wcwidth() is of no meaning anyway.

> awkwardly. Namely, as "the-os-o-phy" or "the os o phy." The actual

“the-os-o-phy” (“theo-sophy” is how I’d split it, though) is common for
the soft hyphenation point editing mode of word processors.

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