mercurial/templates/raw/changelog.tmpl

tests: put some Python 3 polish on inline Python invocations

A couple of these became inline python sessions because they got more
involved, and one of them is super-annoying and writes directly to
sys.stdout.buffer because I just couldn't make it work any other way.

Differential Revision: https://phab.mercurial-scm.org/D4230

{header}
# HG changelog
# Node ID {node}

{entries%changelogentry}