Andy Lutomirski [off-list ref] writes:
$ git send-email --to='"Address, Valid" [off-list ref]'
Comma in --to entry: "Address, Valid" [off-list ref]'
$ git --version
git version 2.5.0
This appears to be a recent regression.
It's not: the check was introduced in 79ee555 (Check and document the
options to prevent mistakes., 2006-06-21).
The check was _removed_ in Git 2.6.0, which happily accepts your
command. IOW, the bug is already fixed :-).
--
Matthieu Moy
http://www-verimag.imag.fr/~moy/