Re: [PATCH] send-email: extend sanitize_address_rfc822 to do rfc2047 quoting

> Sven Verdoolaege wrote:
> > On Tue, Jul 10, 2007 at 07:02:43PM +0200, Uwe Kleine-König wrote:
> > >  	my ($recipient) = @_;
> > > -	my ($recipient_name) = ($recipient =~ /^(.*?)\s+</);
> > > +	my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)(\s+<.*)/);
> > > +
> > > +	if ($recipient_name && $recipient_name =~ /[^-a-zA-Z0-9!*+\/ ]/ && $recipient_name !~ /=\?utf-8\?q?.*\?=/) {
> > 
> > Why the extra test for truthness of $recipient_name ?
> 
> i.e. if the pattern doesn't match, recipient_name is undefined.