note the source of highlighting routine

diff --git a/include/functions.php b/include/functions.php
index 6ceb20adc470993b1a4c858b1aff98dff7d5ae45..4d24d0e264925a582229754884c30e2beb3c253c 100644 (file)
--- a/include/functions.php
+++ b/include/functions.php
@@ -2865,6 +2865,8 @@
                if ($highlight_words) {
                        foreach ($highlight_words as $word) {
 
+                               // http://stackoverflow.com/questions/4081372/highlight-keywords-in-a-paragraph
+
                                $elements = $xpath->query('//*[contains(.,"'.$word.'")]');
 
                                foreach ($elements as $element) {