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| author | Eli Zaretskii <eliz@gnu.org> | 2022-08-28 08:40:25 +0300 |
|---|---|---|
| committer | Eli Zaretskii <eliz@gnu.org> | 2022-08-28 08:40:25 +0300 |
| commit | 195fcc932eea396c94483e0265b43a3c01147776 (patch) | |
| tree | 5b0f480e587736c3015b9655bcaba4100a49445c | |
| parent | 72ae02377ebdc3105156be0e3dc0a9c53156599e (diff) | |
| download | emacs-195fcc932eea396c94483e0265b43a3c01147776.tar.gz | |
Improve the documentation of glyphless-character display
* lisp/international/characters.el (glyphless-char-display-control):
* src/xdisp.c (syms_of_xdisp) <glyphless-char-display>: Mention
the 'glyphless-char' face in the doc string.
* doc/lispref/display.texi (Glyphless Chars): Index
'glyphless-char' face.
| -rw-r--r-- | doc/lispref/display.texi | 4 | ||||
| -rw-r--r-- | lisp/international/characters.el | 8 | ||||
| -rw-r--r-- | src/xdisp.c | 3 |
3 files changed, 12 insertions, 3 deletions
diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi index 9aed5b2d7ae..b068c7d08c6 100644 --- a/doc/lispref/display.texi +++ b/doc/lispref/display.texi @@ -7994,6 +7994,7 @@ Display with @var{graphical} on graphical displays, and with must be one of the display methods described above. @end table +@vindex glyphless-char@r{ face} @noindent The @code{thin-space}, @code{empty-box}, @code{hex-code}, and @acronym{ASCII} string display methods are drawn with the @@ -8048,7 +8049,8 @@ emojis). @item no-font Characters for which there is no suitable font, or which cannot be -encoded by the terminal's coding system. +encoded by the terminal's coding system, or those for which the +text-mode terminal has no glyphs. @end table @c FIXME: this can also be 'acronym', but that's not currently diff --git a/lisp/international/characters.el b/lisp/international/characters.el index 7d625d1382a..d845baa2ebf 100644 --- a/lisp/international/characters.el +++ b/lisp/international/characters.el @@ -1599,7 +1599,8 @@ GROUP must be one of these symbols: presentation). `no-font': characters for which no suitable font is found. For character terminals, characters that cannot - be encoded by `terminal-coding-system'. + be encoded by `terminal-coding-system' or those + for which the terminal has no glyphs. METHOD must be one of these symbols: `zero-width': don't display. @@ -1613,7 +1614,10 @@ METHOD must be one of these symbols: Do not set its value directly from Lisp; the value takes effect only via a custom `:set' function (`update-glyphless-char-display'), which updates -`glyphless-char-display'." +`glyphless-char-display'. + +See also the `glyphless-char' face, which is used to display the +visual representation of these characters." :version "28.1" :type '(alist :key-type (symbol :tag "Character Group") :value-type (symbol :tag "Display Method")) diff --git a/src/xdisp.c b/src/xdisp.c index a4881c48350..6d42105474f 100644 --- a/src/xdisp.c +++ b/src/xdisp.c @@ -35831,6 +35831,9 @@ which no font is found on graphical terminals, and characters that cannot be displayed by text-mode terminals. Its value should be an ASCII acronym string, `hex-code', `empty-box', or `thin-space'. The default is `hex-code'. +With the obvious exception of `zero-width', all the other representations +are displayed using the face `glyphless-char'. + If a character has a non-nil entry in an active display table, the display table takes effect; in this case, Emacs does not consult `glyphless-char-display' at all. */); |