[itsblack]

Originally Posted by Analogpoint

You certainly did find the problem. Specifically:

if (THIS_SCRIPT == 'showthread' AND ($editor_type == 'qr' OR $editor_type == 'qe'))
    { // workaround the disabling of smilies for quick reply and quick edit... this should be safe since $editor_type isn't used anywhere after this hook.
        $editor_type = 'fe';
    }

That mod changes the editor type.

Here's your workaround.

Change the Editor Size plugin to use the editor_toolbar_start hook location, and give it an execution order of 4. That should do the trick.

It works great! Thank you very much!