1 files changed, 7 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
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--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,10 @@
+2012-06-28  Paul Eggert  <eggert@cs.ucla.edu>
+
+        Avoid integer overflow on scroll-left and scroll-right.
+        * window.c (HSCROLL_MAX): New macro.
+        (Fscroll_left, Fscroll_right): Avoid undefined behavior on integer
+        overflow when requested scroll falls outside ptrdiff_t range.
+
 2012-06-28  Dmitry Antipov  <dmantipov@yandex.ru>
 
         * window.h (struct window): Change type of 'hscroll',