MDL-11413 improved text cleaning (problem reported by Andreas Nolden)

diff --git a/lib/weblib.php b/lib/weblib.php
index 79671aa4a781f124646a777c6182d2134f331243..2dfd9fe2035d1dccd06515071553cff0867a9236 100644 (file)
--- a/lib/weblib.php
+++ b/lib/weblib.php
@@ -1837,6 +1837,7 @@ function clean_text($text, $format=FORMAT_MOODLE) {
             /// Fix non standard entity notations
                 $text = preg_replace('/(&#[0-9]+)(;?)/', "\\1;", $text);
                 $text = preg_replace('/(&#x[0-9a-fA-F]+)(;?)/', "\\1;", $text);
+                $text = str_replace(':', ':', $text);
 
             /// Remove tags that are not allowed
                 $text = strip_tags($text, $ALLOWED_TAGS);