kv-bluemillion

There's been no customization that I'm aware of. However, I've been wondering if it has something to do with the highlighting prefix? Looked at it this morning and it's set...

Ran a text compare, and no differences.

Update: I did a search for anything custom, and we do have a small bit of code in functions.php that is designed not to index pages where the robot index...

Correct. We do NOT have a custom autocomplete.php implementation. Code comparison was identical.