I'm not entirely sure I really did what I think I did. So please test it.
I filed a new bug in expert mode (in beta).
A patch is attached and I added CC: in the appropriate field (two,
After committing the patch the cc:ed addresses showed up in the Summary field,
not the cc: list. The real summary was gone.
I *might* have done something wrong in the new bug form, but I really doubt it.
Created attachment 110201 [details]
sample patch attachment