Fix glitch in scrolling_window (backport from trunk).
commitde92a50b9e157cac071355b9836717e62b9edff1
authorYAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
Mon, 9 Jan 2012 09:23:36 +0000 (9 17:23 +0800)
committerChong Yidong <cyd@gnu.org>
Mon, 9 Jan 2012 09:23:36 +0000 (9 17:23 +0800)
tree0ec64958200cae394fb2e18de34bf244d69c708a
parentd58cba753997eba892a0f4c9a642c5cfc77099f6
Fix glitch in scrolling_window (backport from trunk).

* dispnew.c (scrolling_window): Truncate overlaps in copy
destination of scroll runs so as to avoid assigning disabled bogus
rows and unnecessary graphics copy operations.
src/ChangeLog
src/dispnew.c