D2964: context: change default changeid from old form '' to '.'

[martinvonz (Martin von Zweigbergk)]

martinvonz added inline comments.

INLINE COMMENTS

> yuja wrote in context.py:65
> Nit: one more `changeid=''` here.

Good catch. I found this one while working on the next series, so it will get fixed then.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2964

To: martinvonz, #hg-reviewers, pulkit
Cc: yuja, mercurial-devel