Change 'T' to modify_dir_lite.


git-svn-id: http://opensvn.csie.org/pttbbs/trunk@6013 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
When limiting string size, we should do a.b instead of .b


git-svn-id: http://opensvn.csie.org/pttbbs/trunk@6014 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
Revise pvcm behavior


git-svn-id: http://opensvn.csie.org/pttbbs/trunk@6015 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
Prevent leaking anynomous comments


git-svn-id: http://opensvn.csie.org/pttbbs/trunk@6016 63ad8ddf-47c3-0310-b6dd-a9e9d9715204