vc-git-annotate vs configured date format

[Stephen J. Turnbull]

Karl Chen writes:

 > What do you think about getting vc-git-annotate to work regardless
 > of the blame.date setting?
 > 
 > An easy fix would be to just add --date=iso to the command-line.

It's also the correct fix.

 > But ideally Emacs would be able to parse other date formats also.

One man's ideal is another's madness.  See Alan's rant on C++ syntax.