Messages: fixed regexp for propagating links [Closes #18]

src/Mail/Message.php

@@ -399,7 +399,7 @@ protected function buildText($html)
 		$text = Strings::replace($html, [
 			'#<(style|script|head).*</\\1>#Uis' => '',
 			'#<t[dh][ >]#i' => ' $0',
-			'#<a [^>]*href=("|\')([^\\1]+)\\1[^>]*>(.*?)</a>#i' =>  '$3 &lt;$2&gt;',
+			'#<a [^>]*href=(?|"([^"]+)"|\'([^\']+)\')[^>]*>(.*?)</a>#i' =>  '$2 &lt;$1&gt;',
 			'#[\r\n]+#' => ' ',
 			'#<(/?p|/?h\d|li|br|/tr)[ >/]#i' => "\n$0",
 		]);

tests/Mail/Mail.HtmlBodyAndLinks.phpt

@@ -19,7 +19,7 @@ $mail->setFrom('John Doe <[email protected]>');
 $mail->addTo('Lady Jane <[email protected]>');
 $mail->setSubject('Hello Jane!');
 
-$mail->setHTMLBody('<b><span>Příliš </span> <a href="http://green.example.com">žluťoučký</a>' .
+$mail->setHTMLBody('<b><span>Příliš </span> <a href="http://green.example.com">žluťoučký</a> "' .
 		' <br><a href=\'http://horse.example.com\'>kůň</a></b>');
 
 $mailer = new TestMailer();
@@ -40,13 +40,13 @@ Content-Type: multipart/alternative;
 Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 8bit
 
-Příliš žluťoučký <http://green.example.com>
+Příliš žluťoučký <http://green.example.com> "
 kůň <http://horse.example.com>
 ----------%S%
 Content-Type: text/html; charset=UTF-8
 Content-Transfer-Encoding: 8bit
 
-<b><span>Příliš </span> <a href="http://green.example.com">žluťoučký</a> <br><a href='http://horse.example.com'>kůň</a></b>
+<b><span>Příliš </span> <a href="http://green.example.com">žluťoučký</a> " <br><a href='http://horse.example.com'>kůň</a></b>
 ----------%S%--
 EOD
 , TestMailer::$output);