Enables or disables the highlight system.
Entire message line will be colored in the matched highlight color instead of just the word.
Enabled:
[42:42] <Nick2> I am highlighting your Nick
Disabled:
[42:42] <Nick2> I am highlighting your Nick
If enabled and the current window is not the window where the highlight occured, a notice showing the highlight message, from who and where will be shown in your active window.
Example:
[42:42] -Highlight Alert- Nick2: I am highlighting your Nick (Freenode/#adiirc)