autocompletion fails for symbols following "("

[Lee Spector]

Autocompletion fails for me (giving "No matches were found.") if the symbol before the cursor occurs immediately after "(". This is in contrast to the behavior demonstrated in the screencast (http://blip.tv/file/4160578) . It works correctly if the cursor is at the end of a symbol that is not preceded by a "(", but not if there's a leading "(".