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bug#11072: Display of glyphless non-spacing modifiers via a static compo
From: |
Eli Zaretskii |
Subject: |
bug#11072: Display of glyphless non-spacing modifiers via a static composition |
Date: |
Fri, 23 Mar 2012 12:12:02 +0200 |
> From: Kenichi Handa <handa@m17n.org>
> Cc: list-general@mohsen.1.banan.byname.net, emacs-devel@gnu.org
> Date: Fri, 23 Mar 2012 10:41:07 +0900
>
> In article <83fwd0wnwl.fsf@gnu.org>, Eli Zaretskii <eliz@gnu.org> writes:
>
> > Btw, there's some strange problem in displaying one label of the
> > hebrew-biblical-tiro input method: the character u+05ba (inserted by
> > Shift-5 key) is displayed as a blank rectangle. It looks like my
> > fonts have no glyph for this character, but then why don't we display
> > this like any other glyphless character: as a hex code inside a small
> > rectangle? That's what I get if I insert this character into a
> > buffer, but somehow the way we display it in the keyboard layout (and
> > in the "C-u C-x =" display under "decomposition") behaves differently.
> > Why is that?
>
> As that character is a non-spacing modifier, we display it
> with a static composition, and a glyph in a static
> composition are displayed by a blank rectangle if no font is
> available. This is because a hex code makes the resulting
> display of composition (several glyphs may occupy a single
> column) unreadable.
>
> It may be possible to change the current code to use a hex
> code displaying if a composition contains just one glyph and
> that glyph has no font, but it may be for 24.2.
So this bug will wait for after Emacs 24.1 release to be fixed.
Thanks.
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