git: 9front

ref: 7bfd5b6e701b9a7c2b9d772820f66cacadc0ded9
dir: /sys/src/cmd/python/Doc/whatsnew/

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