[PATCH stable] purge: add option to recurse subrepos

[Nikolaj Sjujskij]

> # HG changeset patch
> # User Jack Bowman <jack at fogcreek.com>
> # Date 1340220246 14400
> # Node ID 218fcb8cb8128e2dbfff7886e30171dae29281c1
> # Parent  132ea1736751cb02b16992cf421e7de8bad888a1
> purge: add option to recurse subrepos
  Do you plan to take into account Patrick's comments and resend updated  
patch before 2.3 code freeze (somewhen in the middle of July)? I'm  
wondering whether I should include '--subrepos' for purge in  
zsh_completion.