A minor disparity/divergence in documentation of `selectors.Grammar`

[amn]

The docstrings for Grammar, ref.:

csspring/src/csspring/selectors.py

Line 152 in fde1a78

NOTE: Some of the productions as defined in the specification, have been rewritten below to eliminate repetition. These rewritten productions are marked accordingly, for clarity.

mention that "These rewritten productions are marked accordingly, for clarity.". Except they aren't (I must have removed the annotations either for tersity or because I no longer was considering the deviations to be important enough to tax the reader).