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Add caveat about the long' mode-line-compact' setting

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* doc/lispref/modes.texi (Mode Line Basics): Elaborate on the
`long' setting.
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Lars Ingebrigtsen 2020-12-30 03:30:56 +01:00
parent fdb725c384
commit cfb0f1c07c
1 changed files with 4 additions and 2 deletions
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6
doc/lispref/modes.texi
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@ -1936,8 +1936,10 @@ the end of the mode line off to the right. Emacs can ``compress'' the
mode line if the @code{mode-line-compact} variable is non-@code{nil}
by turning stretches of spaces into a single space. If this variable
is @code{long}, this is only done when the mode line is wider than the
currently selected window. This variable can be buffer-local to only
compress mode-lines in certain buffers.
currently selected window. (This computation is approximate, based on
the number of characters, and not their displayed width.) This
variable can be buffer-local to only compress mode-lines in certain
buffers.
@node Mode Line Data
@subsection The Data Structure of the Mode Line