Extract repeated methods in PaigeTarjanInitializers. (These could also be applied to a lesser extent in OneSEVPAMinimizer.)
Add comments to PaigeTarjanInitializers, PaigeTarjan, and Block.
In PaigeTarjan: remove unnecessary set of b.ptr (which was set as a post-condition of split). Remove unnecessary increment of local variable.
Extract repeated methods in PaigeTarjanInitializers. (These could also be applied to a lesser extent in OneSEVPAMinimizer.) Add comments to PaigeTarjanInitializers, PaigeTarjan, and Block.
In PaigeTarjan: remove unnecessary set of b.ptr (which was set as a post-condition of split). Remove unnecessary increment of local variable.