D401: filemerge: add `_workingpath`

[phillco (Phil Cohen)]

phillco abandoned this revision.
phillco added inline comments.

INLINE COMMENTS

> martinvonz wrote in filemerge.py:724
> should "a" be renamed to "unused" here?

you're right. I'll make that change in the morning.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D401

To: phillco, #hg-reviewers
Cc: martinvonz, mercurial-devel