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Re: [BUG] git send-email: incorrectly parses email address with comma

On Sat, May 12, 2018 at 10:21:46AM +0200, Heinrich Schuchardt wrote:

> Git send-email allows to combine multiple email addresses in one
> parameter, e.g.
> --to="a@xxxxxxxxxxx, b@xxxxxxxxxxx"
> But email addresses may contain commas themselves:
> --to="LASTNAME, firstname <firstname.lastname@xxxxxxxxxxx>"
> This may lead to an error:

If the name contains syntactically relevant metacharacters, it can be
quoted. So as a workaround, you can do:

  --to='"LASTNAME, firstname" <firstname.lastname@xxxxxxxxxxx>'

I think rfc822 actually requires even names with just spaces in them to
be quoted, but git-send-email and most other mail programs are pretty
lax about allowing just about anything outside of the <>, so people tend
not to bother.

> If the string preceding a comma is not a valid email address do not
> split it off.

That might work as a heuristic, though "is a valid email address" is a
notoriously hard thing to check. Possibly looking for an "@" would catch
most common cases, though.