Auto-indentation at begin-type completion works correctly. ...

Hack for gmhist&gmhist-mh.
Fix the bug on \ref-completion.
YaTeX-help is now available.

Fix bugs.

Show message at comment-region on begin/end mode. ...

Greek letters completion in yatexmth.
YaTeX-mark environment and YaTeX-%-menu added.
Erase cursor at the execution of dviout(DOS).
Enable recursive completion at section-type completion.