Xcode word completion shortcut Xcode's code autocompletion is quite good, I am missing one thing though:
in vim I can press ctrl+n to autocomplete any word, even those in the comment.

Here is a screenshot from xcode to show what I mean:



I am wondering if there is a keyboard shortcut to achieve I am looking for.
Control–Space bar is used to either turn the Auto-Complete ON/OFF. You can read more about it here