see this thread on the language issue (which isn't one): /t/19284/1
To fill the comment, create an action group with 2 actions:
No. 1:
Action of the type "Format value" for COMMENT
Format string: %title%
(This copies the contents of TITLE into COMMENT)
No. 2:
Action of the type "Format value" for COMMENT
Format string: $regexp(%comment%,'.([.])',$1)