From b16addc663d7ec76c85eb3097c65b933b221fa49 Mon Sep 17 00:00:00 2001
From: Florian Dorn <florian.dorn@gmail.com>
Date: Thu, 12 Sep 2013 17:16:10 +0200
Subject: [PATCH] added support for the tel: url-scheme

---
 markdown.php | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/markdown.php b/markdown.php
index 17e5152..e387b1e 100644
--- a/markdown.php
+++ b/markdown.php
@@ -1447,9 +1447,16 @@ class Markdown_Parser {
 			>
 			}xi',
 			array(&$this, '_doAutoLinks_email_callback'), $text);
+		$text = preg_replace_callback('{<(tel:([^\'">\s]+))>}i',array(&$this, '_doAutoLinks_tel_callback'), $text);
 
 		return $text;
 	}
+	function _doAutoLinks_tel_callback($matches) {
+		$url = $this->encodeAttribute($matches[1]);
+		$tel = $this->encodeAttribute($matches[2]);
+		$link = "<a href=\"$url\">$tel</a>";
+		return $this->hashPart($link);
+	}
 	function _doAutoLinks_url_callback($matches) {
 		$url = $this->encodeAttribute($matches[1]);
 		$link = "<a href=\"$url\">$url</a>";
@@ -1740,4 +1747,4 @@ negligence or otherwise) arising in any way out of the use of this
 software, even if advised of the possibility of such damage.
 
 */
-?>
\ No newline at end of file
+?>