bug#20325: convert "fixes:debbugs:123" in log to (Bug#123) in ChangeLog

[Dmitry Gutov]

On 04/17/2015 06:56 PM, Paul Eggert wrote:

> I made a trivial change to Makefile.in, and then typed C-x 4 a.  This
> created a file ChangeLog, and I edited it to look like this:
>
> 2015-04-17  Paul Eggert  <eggert@cs.ucla.edu>
>
>      Try to make a trivial change (Bug#1234)
>      * Makefile.in: A trivial change.
>
> I then typed C-x C-s to save it, and type C-c C-a as CONTRIBUTE
> suggested. Emacs responded "C-c C-a is undefined".  What did I do wrong?

`C-c C-a' is only bound in the *vc-log* buffer. Before it's created, 
Emacs has no place to insert the ChangeLog entry anyway.

So, press `C-x v v' first (either in Makefile.in, or in vc-dir buffer 
after selecting the files to commit).