It looks for:
PHP Code:
$phrasegroups = array('threadmanage', 'posting'
And replaces with:
PHP Code:
$phrasegroups = array('threadmanage', 'posting', 'geek_articles'
That way it wont be put off by most existing hacks.
Some hacks may confuse it - but it just lets you know that particluar step will need to be done manually.
So far no one has had a hitch that I know of with it.
The way I look at it is: Worse Case Scenario you will have to manually apply some changes.