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bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B
From: |
Eli Zaretskii |
Subject: |
bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B |
Date: |
Thu, 10 Jan 2013 21:15:04 +0200 |
> Date: Thu, 10 Jan 2013 09:29:25 +0100
> From: martin rudalics <rudalics@gmx.at>
>
> With emacs -Q evaluate
>
> (with-current-buffer (get-buffer-create "*foo*")
> (dotimes (i 1000)
> (insert "1234")) ; U-200B
> (setq word-wrap t)
> (display-buffer "*foo*"))
>
> where the character after 1234 is a zero-width space character with
> unicode code point U-200B. As can be seen in the window showing *foo*,
> lines are not regularly wrapped at that character.
You mean, not wrapped at all. Witness the continuation bitmaps in the
fringes, which shouldn't appear when a line is wrapped.
> Doing
>
> (with-current-buffer (get-buffer-create "*foo*")
> (dotimes (i 1000)
> (insert "1234 "))
> (setq word-wrap t)
> (display-buffer "*foo*"))
>
> instead wraps lines as expected.
If anything, this is a missing feature, since word-wrap is explicitly
coded to break lines only on SPC and TAB characters. See the
IT_DISPLAYING_WHITESPACE macro in xdisp.c.
If we want to add more characters to the set, we should probably
arrange a special char-table for this, and have it exposed to Lisp, so
it could be customized. Patches are welcome.
- bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B, martin rudalics, 2013/01/10
- bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B,
Eli Zaretskii <=
- bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B, martin rudalics, 2013/01/11
- bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B, Eli Zaretskii, 2013/01/11
- bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B, martin rudalics, 2013/01/11
- bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B, Eli Zaretskii, 2013/01/11
- bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B, martin rudalics, 2013/01/11
- bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B, Eli Zaretskii, 2013/01/11
- bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B, martin rudalics, 2013/01/11
- bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B, Christopher Schmidt, 2013/01/11
- bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B, martin rudalics, 2013/01/11
- bug#13399: 24.3.50; Word-wrap can't wrap at zero-width space U-200B, Eli Zaretskii, 2013/01/11