Add support for tikzpicture environment.
Implement preview of tikzpictures.
tikzpictures preview => QTikz or KTikz
(1) What about adding the tikz-keywords to auto-completion list?
(2) The word and phrases statistic feature should ignore the tikzpicture environment at all.
how about you generating a list of valid tikz commands, a cwl file like it is used for completion.