+
+ $mime->header_set('References', "<hello>\n\t<world>");
+ $mime->header_set('In-Reply-To');
+ is_deeply(references($mime->header_obj), ['hello', 'world'],
+ 'multiline References OK');
+ $mime->header_set('References', "<hello\tworld>");
+ is_deeply(references($mime->header_obj), ['helloworld'],
+ 'drop \t in References <656C30A1EFC89F6B2082D9B6@localhost>');
+ $mime->header_set('Message-ID', "<hello\tworld>");
+ is_deeply(mids($mime->header_obj), ['helloworld'],
+ 'drop \t in Message-ID');