I can not belive this. The programms major feature is syntax highlighting and it's doing it well.
But what about grammar errors highlighting like in MS Word or in OpenOffice ?
The current spell checker functionality is not suitable at all!
Maybe there is a normal spell checker that will highlight errors ?
Given th pathetic mistakes Word's gramar checker makes (at least in french), it would be interesting that SpellChecker could do something a little better.
Did you ask in the npp-plugins SpellChecker forum?
I've create topic in spell checker forum: