Numerous small changes to improve readability of the LL(1) background: idiomatic usage improved, sentences split, clearer expression of certain ideas. Emphasis that the LL(1) constraint obscures the meaning of the grammar.
Fixes#1362
* PEP 617: Expand the section about actions to cover Python-based actions
* Update pep-0617.rst
Co-Authored-By: Guido van Rossum <gvanrossum@gmail.com>
* Convert rules to new format for alternatives
Co-authored-by: Guido van Rossum <gvanrossum@gmail.com>
* Fix typo in PEP 617.
* Fix what appears to be meant as a numbered list that was reflowed incorrectly.
* Clarify a slightly awkward sentence about the EXTRA C macro.
Pablo Galindo
Lysandros Nikolaou
Guido van Rossum
Brett Cannon
Jeff Allen
T. Wouters
Jelle Zijlstra