Merge tag '2.1.1'

Retagging 2.1.1 for final release

Conflicts:
	user_guide/changelog.html
	user_guide/database/active_record.html
	user_guide/database/caching.html
	user_guide/database/call_function.html
	user_guide/database/configuration.html
	user_guide/database/connecting.html
	user_guide/database/examples.html
	user_guide/database/fields.html
	user_guide/database/forge.html
	user_guide/database/helpers.html
	user_guide/database/index.html
	user_guide/database/queries.html
	user_guide/database/results.html
	user_guide/database/table_data.html
	user_guide/database/transactions.html
	user_guide/database/utilities.html
	user_guide/doc_style/index.html
	user_guide/general/alternative_php.html
	user_guide/general/ancillary_classes.html
	user_guide/general/autoloader.html
	user_guide/general/caching.html
	user_guide/general/cli.html
	user_guide/general/common_functions.html
	user_guide/general/controllers.html
	user_guide/general/core_classes.html
	user_guide/general/creating_drivers.html
	user_guide/general/creating_libraries.html
	user_guide/general/credits.html
	user_guide/general/drivers.html
	user_guide/general/environments.html
	user_guide/general/errors.html
	user_guide/general/helpers.html
	user_guide/general/hooks.html
	user_guide/general/libraries.html
	user_guide/general/managing_apps.html
	user_guide/general/models.html
	user_guide/general/profiling.html
	user_guide/general/quick_reference.html
	user_guide/general/requirements.html
	user_guide/general/reserved_names.html
	user_guide/general/routing.html
	user_guide/general/security.html
	user_guide/general/styleguide.html
	user_guide/general/urls.html
	user_guide/general/views.html
	user_guide/helpers/array_helper.html
	user_guide/helpers/captcha_helper.html
	user_guide/helpers/cookie_helper.html
	user_guide/helpers/date_helper.html
	user_guide/helpers/directory_helper.html
	user_guide/helpers/download_helper.html
	user_guide/helpers/email_helper.html
	user_guide/helpers/file_helper.html
	user_guide/helpers/form_helper.html
	user_guide/helpers/html_helper.html
	user_guide/helpers/inflector_helper.html
	user_guide/helpers/language_helper.html
	user_guide/helpers/number_helper.html
	user_guide/helpers/path_helper.html
	user_guide/helpers/security_helper.html
	user_guide/helpers/smiley_helper.html
	user_guide/helpers/string_helper.html
	user_guide/helpers/text_helper.html
	user_guide/helpers/typography_helper.html
	user_guide/helpers/url_helper.html
	user_guide/helpers/xml_helper.html
	user_guide/index.html
	user_guide/installation/downloads.html
	user_guide/installation/index.html
	user_guide/installation/troubleshooting.html
	user_guide/installation/upgrade_120.html
	user_guide/installation/upgrade_130.html
	user_guide/installation/upgrade_131.html
	user_guide/installation/upgrade_132.html
	user_guide/installation/upgrade_133.html
	user_guide/installation/upgrade_140.html
	user_guide/installation/upgrade_141.html
	user_guide/installation/upgrade_150.html
	user_guide/installation/upgrade_152.html
	user_guide/installation/upgrade_153.html
	user_guide/installation/upgrade_154.html
	user_guide/installation/upgrade_160.html
	user_guide/installation/upgrade_161.html
	user_guide/installation/upgrade_162.html
	user_guide/installation/upgrade_163.html
	user_guide/installation/upgrade_170.html
	user_guide/installation/upgrade_171.html
	user_guide/installation/upgrade_172.html
	user_guide/installation/upgrade_200.html
	user_guide/installation/upgrade_201.html
	user_guide/installation/upgrade_202.html
	user_guide/installation/upgrade_203.html
	user_guide/installation/upgrade_210.html
	user_guide/installation/upgrade_b11.html
	user_guide/installation/upgrading.html
	user_guide/libraries/benchmark.html
	user_guide/libraries/caching.html
	user_guide/libraries/calendar.html
	user_guide/libraries/cart.html
	user_guide/libraries/config.html
	user_guide/libraries/email.html
	user_guide/libraries/encryption.html
	user_guide/libraries/file_uploading.html
	user_guide/libraries/form_validation.html
	user_guide/libraries/ftp.html
	user_guide/libraries/image_lib.html
	user_guide/libraries/input.html
	user_guide/libraries/javascript.html
	user_guide/libraries/language.html
	user_guide/libraries/loader.html
	user_guide/libraries/migration.html
	user_guide/libraries/output.html
	user_guide/libraries/pagination.html
	user_guide/libraries/parser.html
	user_guide/libraries/security.html
	user_guide/libraries/sessions.html
	user_guide/libraries/table.html
	user_guide/libraries/trackback.html
	user_guide/libraries/typography.html
	user_guide/libraries/unit_testing.html
	user_guide/libraries/uri.html
	user_guide/libraries/user_agent.html
	user_guide/libraries/xmlrpc.html
	user_guide/libraries/zip.html
	user_guide/license.html
	user_guide/overview/appflow.html
	user_guide/overview/at_a_glance.html
	user_guide/overview/cheatsheets.html
	user_guide/overview/features.html
	user_guide/overview/getting_started.html
	user_guide/overview/goals.html
	user_guide/overview/index.html
	user_guide/overview/mvc.html
	user_guide/toc.html
	user_guide/tutorial/conclusion.html
	user_guide/tutorial/create_news_items.html
	user_guide/tutorial/hard_coded_pages.html
	user_guide/tutorial/index.html
	user_guide/tutorial/news_section.html
	user_guide/tutorial/static_pages.html

Signed-off-by: Florian Pritz <bluewind@xinu.at>

1 files changed, 16 insertions, 20 deletions

diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php
index 9f4b85248..f1e8c6ac6 100755
--- a/system/helpers/url_helper.php
+++ b/system/helpers/url_helper.php
@@ -466,39 +466,35 @@ if ( ! function_exists('prep_url'))
  * Create URL Title
  *
  * Takes a "title" string as input and creates a
- * human-friendly URL string with either a dash
- * or an underscore as the word separator.
+ * human-friendly URL string with a "separator" string 
+ * as the word separator.
  *
  * @access	public
  * @param	string	the string
- * @param	string	the separator: dash, or underscore
+ * @param	string	the separator
  * @return	string
  */
 if ( ! function_exists('url_title'))
 {
-	function url_title($str, $separator = 'dash', $lowercase = FALSE)
+	function url_title($str, $separator = '-', $lowercase = FALSE)
 	{
-		if ($separator == 'dash')
+		if ($separator == 'dash') 
 		{
-			$search		= '_';
-			$replace	= '-';
+		    $separator = '-';
 		}
-		else
+		else if ($separator == 'underscore')
 		{
-			$search		= '-';
-			$replace	= '_';
+		    $separator = '_';
 		}
+		
+		$q_separator = preg_quote($separator);
 
 		$trans = array(
-						'&\#\d+?;'				=> '',
-						'&\S+?;'				=> '',
-						'\s+'					=> $replace,
-						'[^a-z0-9\-\._]'		=> '',
-						$replace.'+'			=> $replace,
-						$replace.'$'			=> $replace,
-						'^'.$replace			=> $replace,
-						'\.+$'					=> ''
-					);
+			'&.+?;'                 => '',
+			'[^a-z0-9 _-]'          => '',
+			'\s+'                   => $separator,
+			'('.$q_separator.')+'   => $separator
+		);
 
 		$str = strip_tags($str);
 
@@ -512,7 +508,7 @@ if ( ! function_exists('url_title'))
 			$str = strtolower($str);
 		}
 
-		return trim(stripslashes($str));
+		return trim($str, $separator);
 	}
 }