From: Eli Zaretskii <eliz@gnu.org>
Date: Sat, 18 Sep 2010 09:38:52 +0000 (+0200)
Subject: Mention rounding of fringe width in the doc string of fringe-mode.
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Mention rounding of fringe width in the doc string of fringe-mode.

 fringe.el (fringe-mode): Doc fix.
---

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 9b37c26156d..e5f2a414c00 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2010-09-18  Eli Zaretskii  <eliz@gnu.org>
+
+	* fringe.el (fringe-mode): Doc fix.
+
 2010-09-14  Kan-Ru Chen  <kanru@kanru.info>  (tiny change)
 
 	* textmodes/nroff-mode.el (nroff-view): Kill old buffer before
diff --git a/lisp/fringe.el b/lisp/fringe.el
index 3763026514a..b23cea1c0e7 100644
--- a/lisp/fringe.el
+++ b/lisp/fringe.el
@@ -144,6 +144,9 @@ the width of both left and right fringe (where 0 means no fringe), or
 a cons cell where car indicates width of left fringe and cdr indicates
 width of right fringe (where again 0 can be used to indicate no
 fringe).
+Note that the actual width may be rounded up to ensure that the sum of
+the width of the left and right fringes is a multiple of the frame's
+character width.  However, a fringe width of 0 is never rounded.
 To set this variable in a Lisp program, use `set-fringe-mode' to make
 it take real effect.
 Setting the variable with a customization buffer also takes effect.