pref-filters: mention native-regexp difficulties in testing window

diff --git a/classes/pref/filters.php b/classes/pref/filters.php
index 572d29f8b0c9b28e5507818405eff5632d4a2e35..74a29c6198ed4a2c1621d348544156742dd2b296 100644 (file)
--- a/classes/pref/filters.php
+++ b/classes/pref/filters.php
@@ -91,7 +91,14 @@ class Pref_Filters extends Handler_Protected {
 
                if ($found == 0) {
                        print "<tr><td align='center'>" .
-                               __("No recent articles matching this filter have been found.") . "</td></tr>";
+                               __("No recent articles matching this filter have been found.");
+
+                       print "</td></tr><tr><td class='insensitive' align='center'>";
+
+                       print __("Complex expressions might not give results while testing due to issues with database server regexp implementation.");
+
+                       print "</td></tr>";
+
                }
 
                print "</table></div>";