Commit 43f971ab authored by Eli Zaretskii's avatar Eli Zaretskii
Browse files

(Optional Mode Line): Document line-number-display-limit-width.

parent 01c2f7d0
......@@ -666,13 +666,23 @@ before the buffer percentage @var{pos}, with the letter @samp{L} to
indicate what it is. @xref{Minor Modes}, for more information about
minor modes and about how to use this command.
@cindex narrowing, and line number display
If you have narrowed the buffer (@pxref{Narrowing}), the displayed
line number is relative to the accessible portion of the buffer.
@vindex line-number-display-limit
If the buffer is very large (larger than the value of
@code{line-number-display-limit}), then the line number doesn't appear.
Emacs doesn't compute the line number when the buffer is large, because
that would be too slow. Set it to @code{nil} to remove the limit. If
you have narrowed the buffer (@pxref{Narrowing}), the displayed line
number is relative to the accessible portion of the buffer.
that would be too slow. Set it to @code{nil} to remove the limit.
@vindex line-number-display-limit-width
Line-number computation can also be slow if the lines in the buffer
are too long. For this reason, Emacs normally doesn't display line
numbers if the average width, in characters, of lines near point is
larger than the value of the variable
@code{line-number-display-limit-width}. The default value is 200
characters.
@cindex Column Number mode
@cindex mode, Column Number
......
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