EDIT: ok, the commend is supposed to be used as:
weidu --traify filename.de --traify-comment
Then it works as expected.

From the weidu readme:
--traify-comment | output @1 /* Hello */ rather than @1 when traifying
I wanted to traify a d-file so the text lines are preserved inside the d-file. From the weidu readme, I thought "--traify-comment" would do that. But if I try to use it, the lines get written into the game's dialog(F).tlk - the d-file remains untouched.
I used the command
weidu --traify-comment filename.d
EDIT: this was weidu v249
Am I using the command wrongly or did I miss something?