Rated 3 out of 5 stars

Cleaning the subject of an email with the following subject line when I forward it doesn't work properly:
RE: [Fwd: RE: Subject]
It results in a new subject line of just:
Re:
How do I fix that? Note, that using Reply on this email works fine.
David.

This review is for a previous version of the add-on (0.4.1).