Fix certain messages with headers in unknown charsets encoded as quoted printable...

[squirrelmail.git] / include / languages.php

diff --git a/include/languages.php b/include/languages.php
index 4987f306bb7cb3f500ebba10eb0ea5633384b82b..c7143e93c4314a1dc13b306fbe59a558b3c33be8 100644 (file)
--- a/include/languages.php
+++ b/include/languages.php
@@ -180,16 +180,18 @@ function sq_setlocale($category,$locale) {
 }
 
 /**
- * Converts string from given charset to charset, that can be displayed by user translation.
+ * Converts a string from the given $charset to a character set that
+ * can be displayed by the current user interface language (translation)
  *
- * Function by default returns html encoded strings, if translation uses different encoding.
+ * Function by default returns html encoded strings if translation uses
+ * different encoding.
  * If Japanese translation is used - function returns string converted to euc-jp
  * If iconv or recode functions are enabled and translation uses utf-8 - function returns utf-8 encoded string.
  * If $charset is not supported - function returns unconverted string.
  *
  * sanitizing of html tags is also done by this function.
  *
- * @param string $charset
+ * @param string $charset The charset of the incoming string
  * @param string $string Text to be decoded
  * @param boolean $force_decode converts string to html without $charset!=$default_charset check.
  * Argument is available since 1.4.5 and 1.5.1.
@@ -218,7 +220,7 @@ function charset_decode ($charset, $string, $force_decode=false, $save_html=fals
 
     // Don't do conversion if charset is the same.
     if ( ! $force_decode && $charset == strtolower($default_charset) )
-        return ($save_html ? $string : sm_encode_html_special_chars($string));
+        return ($save_html ? $string : sm_encode_html_special_chars($string, ENT_COMPAT, $charset));
 
     // catch iso-8859-8-i thing
     if ( $charset == "iso-8859-8-i" )
@@ -234,7 +236,7 @@ function charset_decode ($charset, $string, $force_decode=false, $save_html=fals
             // other charsets can be converted to utf-8 without loss.
             // and output string is smaller
             $string = recode_string($charset . "..utf-8",$string);
-            return ($save_html ? $string : sm_encode_html_special_chars($string));
+            return ($save_html ? $string : sm_encode_html_special_chars($string, ENT_COMPAT, $charset));
         } else {
             $string = recode_string($charset . "..html",$string);
             // recode does not convert single quote, sm_encode_html_special_chars does.
@@ -250,13 +252,13 @@ function charset_decode ($charset, $string, $force_decode=false, $save_html=fals
     // iconv functions does not have html target and can be used only with utf-8
     if ( $use_php_iconv && $default_charset=='utf-8') {
         $string = iconv($charset,$default_charset,$string);
-        return ($save_html ? $string : sm_encode_html_special_chars($string));
+        return ($save_html ? $string : sm_encode_html_special_chars($string, ENT_COMPAT, $charset));
     }
 
     // If we don't use recode and iconv, we'll do it old way.
 
     /* All HTML special characters are 7 bit and can be replaced first */
-    if (! $save_html) $string = sm_encode_html_special_chars ($string);
+    if (! $save_html) $string = sm_encode_html_special_chars($string, ENT_COMPAT, $charset);
 
     /* controls cpu and memory intensive decoding cycles */
     if (! isset($aggressive_decoding) || $aggressive_decoding=="" ) {