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Improve documentation of 'no-special-glyphs' frame parameter

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* doc/lispref/frames.texi (Layout Parameters): Document
limitations of support for 'no-special-glyphs' frame parameter.
(Bug#71163)
* doc/lispref/display.texi (Truncation): Update for when
'fringe-mode' is off.
This commit is contained in:
Eli Zaretskii 2024-05-25 13:22:45 +03:00
parent 3647645e94
commit 1bf6583662
2 changed files with 12 additions and 5 deletions
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3
doc/lispref/display.texi
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@ -148,7 +148,8 @@ boundary. @xref{Filling}.
On a graphical display, tiny arrow images in the window fringes
indicate truncated and continued lines (@pxref{Fringes}). On a text
terminal, a @samp{$} in the rightmost column of the window indicates
terminal, and on a graphical display when @code{fringe-mode} was
turned off, a @samp{$} in the rightmost column of the window indicates
truncation; a @samp{\} on the rightmost column indicates a line that
wraps. (The display table can specify alternate characters to use
for this; @pxref{Display Tables}).

14
doc/lispref/frames.texi
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@ -1928,10 +1928,16 @@ integer). @xref{Line Height}, for more information.
@vindex no-special-glyphs@r{, a frame parameter}
@item no-special-glyphs
If this is non-@code{nil}, it suppresses the display of any truncation
and continuation glyphs (@pxref{Truncation}) for all buffers displayed
by this frame. This is useful to eliminate such glyphs when fitting a
frame to its buffer via @code{fit-frame-to-buffer} (@pxref{Resizing
Windows}).
(@pxref{Truncation}) and continuation glyphs for all the buffers
displayed by this frame. This is useful to eliminate such glyphs when
fitting a frame to its buffer via @code{fit-frame-to-buffer}
(@pxref{Resizing Windows}). This frame parameter has effect only for
GUI frames shown on graphical displays, and only if the fringes are
disabled. This parameter is intended as a purely-presentation
feature, and in particular should not be used for frames where the
user can interactively insert text, or more generally where the cursor
is shown. A notable example of frames where this is used is tooltip
frames (@pxref{Tooltips}).
@end table