Sorry for lazy-assing.
Still, can you say something about using XSLT here? I never used it for something more then toying, but it looks like a proper tool for changing multiple values at once and could be useful for easy reformatting.
(I think Thunderbrd would have a great occasion to learn C++, also. )
Should work fine, I agree. However, do we have anyone skilled in writing XSLT?