[FM Discuss] FLOSS Manual GPL License conflicts with SuMoMo Creative Commons Attribution License, would it be possible to dual license FLOSS Manual?

[Roland MoMo Tanglao]

Hi Folks:

 From what I can tell the following is true:
1. Support.mozillamessaging.com aka SuMoMo license is Creative Commons 
by Attribution aka CC-BY (or it will be once I change the header of 
SuMoMo to say that :-) !This is the same license used by Firefox's SuMo 
aka support.mozilla.com
2. FLOSS Thunderbird manual is GPL
3. GPL and CC BY conflict so as it stands we at SuMoMo can't use FLOSS 
Manual material

How to resolve this?
I've asked around informally and one way to resolve this is to have the 
FLOSS Manual dual licensed  i.e. both CC-BY and GPL or
drop the GPL
Would dual license or dropping the GPL and adopting CC-BY be possible 
for FLOSS Thunderbird?

Any other ideas to resolve this licensing issue?

...Roland "I really don't like licenses and just want information to be 
free :-)" Tanglao