D5933: branchmap: improve doc about BranchMapCache class
pulkit created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.
It was confusing that we are having two different branchcache and
BranchMapCache classes. The doc in BranchMapCache class was not much helpful
to understand the difference. This patch improves the doc there.