carbon2-commit: Support LZMA compression in info.el.

[Stephen J. Turnbull]

Aidan Kehoe writes:

 > 2008-01-21  Aidan Kehoe  <kehoea at parhasard.net>
 > 
 > 	* info.el (Info-suffix-list):
 > 	Support LZMA compression, as used--oddly--by Mandriva Linux.

In many cases it can give up to 20% better compression than bzip2, I
hear.  That's not odd, that's way cool!

True, the software is as yet unproved in the way that bzip2 and gzip
are, but still, for Info files that is hardly a big deal.