Fixed autocomplete tooltip does not appear.
Merge pull request #101 from sun/80chars-marker-firefox

Fixed 80 chars marker does not appear in Firefox on Windows.
Merge pull request #103 from sun/autocomplete-tooltip

Tooltip of syntax autocomplete suggestion does not appear.
Merge branch '1.x' into sun
Added legacy /node/123#comment-456 permalinks to comments.

Affects #23
Merge branch 'comment-permalink' into sun