[PATCH 1 of 1 STABLE RFC] revset: fix use of boolean operators with heads() (issue2437)

[Matt Mackall]

On Thu, 2010-10-14 at 23:21 -0300, Wagner Bruna wrote:
> # HG changeset patch
> # User Wagner Bruna <wbruna at softwareexpress.com.br>
> # Date 1287109225 10800
> # Branch stable
> # Node ID 90c01f6657bba00e3a01db47c15b970cbcbb24fb
> # Parent  89df79b3c011f7824cac6c03c59c1ca4252dbfc2
> revset: fix use of boolean operators with heads() (issue2437)

Unfortunately this fix renders the optimizer useless. So without a good
explanation of what the bug is, I'd rather not do this.

-- 
Mathematics is the supreme nostalgia of our time.