D2496: py3: slice over bytes or use startswith() to prevent getting ascii values

[yuja (Yuya Nishihara)]

yuja added inline comments.

INLINE COMMENTS

> commands.py:4485
>                          continue
> -                    flags = ''.join(['-%s ' % o[0] for o in flaglist
> +                    flags = ''.join(['-%s ' % o[0:1] for o in flaglist
>                                                     if opts.get(o)])

Could be '-%c ', but I don't have preference.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2496

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