git: 9front

ref: 3c9bfd6f38d8c5dc62c0e176c43f49f283cad311
dir: /sys/src/cmd/python/Doc/whatsnew/

Makefile
whatsnew20.tex
whatsnew21.tex
whatsnew22.tex
whatsnew23.tex
whatsnew24.tex
whatsnew25.tex