From 0344b168276f80189e2254c75a762aff5b517b6b Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 22 May 2016 06:32:57 -0400
Subject: [PATCH] Fix priority icon(s) position

---
 program/lib/Roundcube/rcube_text2html.php |   42 +++++++++++++++++++++++++-----------------
 1 files changed, 25 insertions(+), 17 deletions(-)

diff --git a/program/lib/Roundcube/rcube_text2html.php b/program/lib/Roundcube/rcube_text2html.php
index 363f1b2..73e8b78 100644
--- a/program/lib/Roundcube/rcube_text2html.php
+++ b/program/lib/Roundcube/rcube_text2html.php
@@ -45,18 +45,23 @@
      */
     protected $config = array(
         // non-breaking space
-        'space'  => "\xC2\xA0",
+        'space' => "\xC2\xA0",
         // enables format=flowed parser
         'flowed' => false,
         // enables wrapping for non-flowed text
-        'wrap'   => true,
+        'wrap' => true,
         // line-break tag
-        'break'  => "<br>\n",
+        'break' => "<br>\n",
         // prefix and suffix (wrapper element)
-        'begin'  => '<div class="pre">',
-        'end'    => '</div>',
+        'begin' => '<div class="pre">',
+        'end'   => '</div>',
         // enables links replacement
-        'links'  => true,
+        'links' => true,
+        // string replacer class
+        'replacer' => 'rcube_string_replacer',
+        // prefix and suffix of unwrappable line
+        'nobr_start' => '<span style="white-space:nowrap">',
+        'nobr_end'   => '</span>',
     );
 
 
@@ -127,10 +132,8 @@
      */
     protected function _convert()
     {
-        $text = stripslashes($this->text);
-
         // Convert TXT to HTML
-        $this->html       = $this->_converter($text);
+        $this->html       = $this->_converter($this->text);
         $this->_converted = true;
     }
 
@@ -143,7 +146,7 @@
     {
         // make links and email-addresses clickable
         $attribs  = array('link_attribs' => array('rel' => 'noreferrer', 'target' => '_blank'));
-        $replacer = new rcmail_string_replacer($attribs);
+        $replacer = new $this->config['replacer']($attribs);
 
         if ($this->config['flowed']) {
             $flowed_char = 0x01;
@@ -267,6 +270,10 @@
         if (empty($table)) {
             $table = get_html_translation_table(HTML_SPECIALCHARS);
             unset($table['?']);
+
+            // replace some whitespace characters
+            $table["\r"] = '';
+            $table["\t"] = '    ';
         }
 
         // skip signature separator
@@ -274,13 +281,10 @@
             return '--' . $this->config['space'];
         }
 
-        // replace HTML special characters
+        // replace HTML special and whitespace characters
         $text = strtr($text, $table);
 
         $nbsp = $this->config['space'];
-
-        // replace some whitespace characters
-        $text = str_replace(array("\r", "\t"), array('', '    '), $text);
 
         // replace spaces with non-breaking spaces
         if ($is_flowed) {
@@ -299,9 +303,13 @@
 
             $text = $copy;
         }
-        else {
-            // make the whole line non-breakable
-            $text = str_replace(array(' ', '-', '/'), array($nbsp, '-&#8288;', '/&#8288;'), $text);
+        // make the whole line non-breakable if needed
+        else if ($text !== '' && preg_match('/[^a-zA-Z0-9_]/', $text)) {
+            // use non-breakable spaces to correctly display
+            // trailing/leading spaces and multi-space inside
+            $text = str_replace(' ', $nbsp, $text);
+            // wrap in nobr element, so it's not wrapped on e.g. - or /
+            $text = $this->config['nobr_start'] . $text .  $this->config['nobr_end'];
         }
 
         return $text;

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