From 618cb0d8dde52c2c8a181334e7a3c33fbc26c236 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Fri, 10 Sep 2010 09:22:54 -0400
Subject: [PATCH] - Don't trim spaces from the end of line when converting to format=flowed

---
 program/include/rcube_string_replacer.php |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/program/include/rcube_string_replacer.php b/program/include/rcube_string_replacer.php
index 064a723..0568cc0 100644
--- a/program/include/rcube_string_replacer.php
+++ b/program/include/rcube_string_replacer.php
@@ -15,7 +15,7 @@
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
  +-----------------------------------------------------------------------+
 
- $Id:  $
+ $Id$
 
 */
 
@@ -39,7 +39,10 @@
     $url_chars_within = '\?\.~,!';
 
     $this->link_pattern = "/([\w]+:\/\/|\Wwww\.)([a-z0-9\-\.]+[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/i";
-    $this->mailto_pattern = "/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/i";
+    $this->mailto_pattern = "/("
+        ."[-\w!\#\$%&\'*+~\/^`|{}=]+(?:\.[-\w!\#\$%&\'*+~\/^`|{}=]+)*"  // local-part
+        ."@([a-z0-9]([-a-z0-9]*[a-z0-9])?\\.)+[a-z]{2,5}"               // domain-part
+        .")/i";
   }
 
   /**
@@ -74,7 +77,7 @@
     $i = -1;
     $scheme = strtolower($matches[1]);
 
-    if ($scheme == 'http://' || $scheme == 'https://' || $scheme == 'ftp://') {
+    if (preg_match('!^(http|ftp|file)s?://!', $scheme)) {
       $url = $matches[1] . $matches[2];
       $i = $this->add(html::a(array('href' => $url, 'target' => '_blank'), Q($url)));
     }
@@ -83,7 +86,8 @@
       $i = $this->add($m[1] . html::a(array('href' => 'http://' . $url, 'target' => '_blank'), Q($url)));
     }
 
-    return $i >= 0 ? $this->get_replacement($i) : '';
+    // Return valid link for recognized schemes, otherwise, return the unmodified string for unrecognized schemes.
+    return $i >= 0 ? $this->get_replacement($i) : $matches[0];
   }
 
   /**

--
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