[PATCH 3 of 7] context: add a markerctx context

[Matt Mackall]

 Mon, 2012-05-14 at 18:10 +0200, Pierre-Yves David wrote:
> +class markerctx(object):
> +    """markerctx represent an obsolete marker """

No thanks.

This has only the most tenuous relation to current usage of "context" is
in Mercurial, it has no business being in this file or being named
context. In terms of duck-typing, this is a rabbit.

-- 
Mathematics is the supreme nostalgia of our time.