Index: misc/autocomplete.js
===================================================================
RCS file: /cvs/drupal/drupal/misc/autocomplete.js,v
retrieving revision 1.5
diff -u -p -r1.5 autocomplete.js
--- misc/autocomplete.js	31 Aug 2005 18:37:30 -0000	1.5
+++ misc/autocomplete.js	19 Sep 2005 02:26:55 -0000
@@ -197,11 +197,13 @@ jsAC.prototype.found = function (matches
   }
   var ul = document.createElement('ul');
   var ac = this;
+  var matchRegExp = new RegExp('('+this.input.value + ')', 'gi');
   if (matches.length > 0) {
     for (i in matches) {
       li = document.createElement('li');
       div = document.createElement('div');
       div.innerHTML = matches[i][1];
+      div.innerHTML = div.innerHTML.replace(matchRegExp, '<span class="match">$1</span>');
       li.appendChild(div);
       li.autocompleteValue = matches[i][0];
       li.onmousedown = function() { ac.select(this); };
Index: misc/drupal.css
===================================================================
RCS file: /cvs/drupal/drupal/misc/drupal.css,v
retrieving revision 1.120
diff -u -p -r1.120 drupal.css
--- misc/drupal.css	7 Sep 2005 20:56:00 -0000	1.120
+++ misc/drupal.css	19 Sep 2005 02:26:56 -0000
@@ -570,6 +570,9 @@ ul.secondary a.active {
   background: #0072b9;
   color: #fff;
 }
+#autocomplete span.match {
+  font-weight: bold;
+}
 /* Animated throbber */
 html.js input.form-autocomplete {
   background: url('throbber.gif') no-repeat 100% 2px;