0.12.1dev: fix buglet in autocompletion, in IE specific code.
0.12.1dev: fix buglet in autocompletion, in IE specific code.

Closes #9645. Bug report and fix contributed by niko.sten@digia.com, thanks!

git-svn-id: 7bda06b145a4a8e9a7f4be07d7c3eb82923a12d6@10137 af82e41b-90c4-0310-8c96-b1721e28e2e2

walty8/trac,walty8/trac,jun66j5/trac-ja,jun66j5/trac-ja,netjunki/trac-Pygit2,walty8/trac,jun66j5/trac-ja,jun66j5/trac-ja,netjunki/trac-Pygit2,walty8/trac,netjunki/trac-Pygit2