[PATCH 2 of 4] revset: define _symletters in terms of _syminitletters

[Pulkit Goyal]

On Fri, Oct 7, 2016 at 2:50 PM, Augie Fackler <raf at durin42.com> wrote:
> # HG changeset patch
> # User Augie Fackler <augie at google.com>
> # Date 1475842163 14400
> #      Fri Oct 07 08:09:23 2016 -0400
> # Node ID d7777ef3fe7f82524c2925d9af6c3e1884a4188d
> # Parent  da814a1e51a7c97d0b4a1a7519bdca87802e4e6d
> revset: define _symletters in terms of _syminitletters
>
> diff --git a/mercurial/revset.py b/mercurial/revset.py
> --- a/mercurial/revset.py
> +++ b/mercurial/revset.py
> @@ -177,8 +177,7 @@ keywords = set(['and', 'or', 'not'])
>                        if c.isalnum() or c in '._@' or ord(c) > 127)
>
>  # default set of valid characters for non-initial letters of symbols
> -_symletters = set(c for c in [chr(i) for i in xrange(256)]
> -                  if c.isalnum() or c in '-._/@' or ord(c) > 127)
> +_symletters = _syminitletters | set('-/')
Need to add a u'' here that is set(u'-/')
>
>  def tokenize(program, lookup=None, syminitletters=None, symletters=None):
>      '''
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