Thanks, XABD and Jon. I tried both of your suggestions, didn't change the behavior.
However, I seem to have an answer, although I don't consider it a solution and I'm still puzzled. From my original post:
Behavior in question: Click on a folder in the dock. It opens and the user can then type a letter and the first item starting with that letter is highlighted.
I have several folders in my dock, and they all work as stated with one exception -- the "Documents" folder. It opens and no matter what letter I type, nothing is highlighted.
- I've got other folders with more items and I can "search/highlight" those folders.
Just for fun I moved every doc from 2011 and prior out of the folder leaving 35 items in the "Documents" folder. Now the folder works as other dock folders do. Moving the docs back caused the folder to no longer work. So it seems that there is a limit on the DOCUMENTS folder, but not on other folders (see my orig. post where I state that I have other folders with more items and those folders work correctly). I find this strange behavior. It means that I can't store all my docs in that folder. Many items are there because a program places stuff there, so it's not truly MY folder. Really an irritation as far as I'm concerned. I think I'll set up a series of document folders (with diff names) and move MY docs into MY folders.
