Re: non-breaking hyphens

[Eli Zaretskii]

> From: Chong Yidong <address@hidden>
> Cc: address@hidden
> Date: Mon, 17 Oct 2011 23:39:35 -0400
> 
> I'm not sure I understand the goal of `nobreak-char-display'.  Is it for
> warning the user when there is an ASCII look-alike character that isn't
> really ASCII?  I guess that's mainly to avoid issues with source code?

Yes, probably.  But I'm only guessing here.  Can you find any traces
of discussing this in the archives?

> If so, handling only U+A0 and U+AD would be incomplete, as you say.
> Also, the name and documentation of `nobreak-char-display' is misleading
> or incomplete---it shouldn't be limited to non-breaking or shy
> characters, since there are many other non-ASCII lookalikes like U+2010
> (the "true" hyphen), U+2002 (the "en space"), and U+2007 (the "figure
> space").

I agree.

> I'm guessing the reason U+A0 and U+AD are treated specially is that
> those characters happened to be in Latin-1 (i.e. hysterical raisins).

Most probably.