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lispref/markers.texi small change

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* doc/lispref/markers.texi (Overview of Markers):
Reword garbage collection, add cross-ref.
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Glenn Morris 2012-03-06 23:43:14 -08:00
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doc/lispref/ChangeLog
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@ -2,6 +2,7 @@
* markers.texi (The Region):
Briefly mention use-empty-active-region and region-active-p.
(Overview of Markers): Reword garbage collection, add cross-ref.
2012-03-07 Chong Yidong <cyd@gnu.org>

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doc/lispref/markers.texi
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@ -58,6 +58,8 @@ with @code{insert-before-markers} (@pxref{Insertion}).
relocate them if necessary. This slows processing in a buffer with a
large number of markers. For this reason, it is a good idea to make a
marker point nowhere if you are sure you don't need it any more.
Markers that can no longer be accessed are eventually removed
(@pxref{Garbage Collection}).
@cindex markers as numbers
Because it is common to perform arithmetic operations on a marker