tests/test-gendoc-el.t

templatekw: copy {author} to {user} and document {author} as an alias

In other places including "log -Tjson" and revset, "user" is the canonical
name. Let's standardize it.

This is a part of the name unification of the Generic Templating Plan.
https://www.mercurial-scm.org/wiki/GenericTemplatingPlan#Dictionary

#require docutils gettext

  $ $TESTDIR/check-gendoc el
  checking for parse errors