D1884: strip: use %d for known-int string interpolation

[yuja (Yuya Nishihara)]

yuja added inline comments.

INLINE COMMENTS

> durin42 wrote in strip.py:218
> I'm unclear: are you asking to remove the b-prefix? Adding it was intentional, since eventually we're going to need to rewrite everything so we can ditch the module loader hack.

No. I mean it should use revset.formatspec. i.e. `revs(expr, arg)` instead of `revs(expr % arg)`.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D1884

To: durin42, #hg-reviewers, pulkit
Cc: yuja, pulkit, mercurial-devel