commit: update test to actually modify template text
We have a check for unmodified commit message (introduced by
bec1a579ebc4),
which should be enabled for the "--- >8 ---" magic but currently not.
pager: wrap ui._runpager
As discussed at [1], ui._runpager will be the new low-level API accepting a
pager command to actually run the pager. And ui.pager is the high-level API
which reads config directly from self.
This change is necessary for chgserver to override _runpager cleanly.
[1]: www.mercurial-scm.org/pipermail/mercurial-devel/2016-December/091656.html
summary: use ui.label and join to write evolution troubles
Follow-up on
7b526670f540 to avoid a convoluted loop.
log: drop unnecessary ui.note label from "trouble: " line
Follow-up on
f05ede08dcf7 and
6d0b1a69f98c.