Guile-Emacs update

[BT Templeton]

Hello all,

I've pushed several significant changes to the public Guile-Emacs
repository at <http://git.hcoop.net/?p=bpt/emacs.git>:

 * Synchronized with bzr trunk as of mid-July.

 * Guile's control operators are used for all Elisp control-flow
   functionality, including special binding, unwind-protect, errors,
   catch/throw, and quit handling.

 * Guile exceptions are handled safely, and are re-thrown as Elisp
   errors.

 * Emacs's I/O functions can now print arbitrary Guile objects.

 * Coccinelle, a semantic patching tool, can now parse 99% of Emacs's C
   code base, compared to 75% previously. This requires using a patched
   version of Coccinelle (<http://git.hcoop.net/?p=bpt/coccinelle.git>)
   and using admin/coccinelle/macros.h as the "--macro-file" argument to
   the spatch command.

 * Last but not least, there is now an `eval-scheme' command:

   (eval-scheme "(define (fact n) (if (= n 0) 1 (* n (fact (1- n)))))")
   (eval-scheme "(fact 23)") => 25852016738884976640000

Guile-Emacs requires libgc 7.2d or better and the development version of
Guile. More information is available on the Emacs Wiki at
<http://www.emacswiki.org/emacs/GuileEmacs>.

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