Don't try to highlight non-words.

diff --git a/includes/SearchPostgres.php b/includes/SearchPostgres.php
index 421d966..2589e70 100644 (file)
--- a/includes/SearchPostgres.php
+++ b/includes/SearchPostgres.php
@@ -83,7 +83,8 @@ class SearchPostgres extends SearchEngine {
                                else {
                                        $searchstring .= " & $terms[2]";
                                        $safeterm = preg_replace('/\W+/', '', $terms[2]);
-                                       $this->searchTerms[$safeterm] = $safeterm;
+                                       if (strlen($safeterm))
+                                               $this->searchTerms[$safeterm] = $safeterm;
                                }
                        }
                }