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Improve documentation of glyphless-character display

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* doc/emacs/display.texi (Text Display): Document and index the
'glyphless-char' face.
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Eli Zaretskii 2016-03-16 18:57:46 +02:00
parent 6b6916e872
commit bc7f6f6329
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doc/emacs/display.texi
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@ -1476,15 +1476,18 @@ elisp, The Emacs Lisp Reference Manual}.
@cindex glyphless characters
@cindex characters with no font glyphs
@cindex glyphless-char face
On graphical displays, some characters may have no glyphs in any of
the fonts available to Emacs. These @dfn{glyphless characters} are
normally displayed as boxes containing the hexadecimal character code.
Similarly, on text terminals, characters that cannot be displayed
using the terminal encoding (@pxref{Terminal Coding}) are normally
displayed as question signs. You can control the display method by
customizing the variable @code{glyphless-char-display-control}.
@xref{Glyphless Chars,, Glyphless Character Display, elisp, The Emacs
Lisp Reference Manual}, for details.
customizing the variable @code{glyphless-char-display-control}. You
can also customize the @code{glyphless-char} face to make these
characters more prominent on display. @xref{Glyphless Chars,,
Glyphless Character Display, elisp, The Emacs Lisp Reference Manual},
for details.
@cindex curly quotes
@cindex curved quotes