* Be more specific about the type of context which a
context item belongs to.
* Make grammar clearer.
Change-Id: I6f7abc777c378be2f1ac3f8db678363664d46ccd
The chemical and mathematical formula inspectors and dialogs
have a lot of similar functionality, and the common parts are
now moved to the common MWLatex class.
MWMath* classes now inherit from MWLatex*, and so do
the new MWChem* classes.
Bug: T153365
Change-Id: I4452ceca55197fda5f1e1293a5741c6f5fb7c245
