obslog: add header to the changeset description diff
This patch adds `diff -r <hash> -r <hash> <filename>` header to the output of
the changeset description diff which is shown using the --patch flag of obslog
command.
This fixes the label/color issue for description diff also.
.. Copyright © 2017 Pierre-Yves David <pierre-yves.david@octobus.net>
==============================================
Known limitations of the current documentation
==============================================
Features not covered by tutorials
=================================
Some of the *newer* features of evolution might not be reflected in the
documentation yet. You can directly check the inline documentation of the
extension itself for fresher details using `hg help -e evolve`.
Known undocumented features are:
* `hg prev`,
* `hg next`,
* `hg next --evolve`,
* `hg evolve --rev`,
* `hg evolve --list`,
* `hg obslog`,
* `hg split`,
* `hg metaedit`,
* `hg touch`,
* `hg amend --extract`,
* `hg pdiff`,
* `hg pstatus`,
* `hg amend -i`,
* various topic related elements (in particular `hg stack`),
Unreferenced Documents
======================
There are documents with content not linked in the flow of the main
documentation. Some might be outdated and some are too fresh to be integrated in
the main flow yet.
.. toctree::
:maxdepth: 1
evolve-faq
evolve-good-practice
obs-terms
tutorials/topic-tutorial
tutorials/tutorial