[PATCH] dirstate: add/improve method docstrings and some comments

[Adrian Buehlmann]

On 26.09.2009 19:58, Adrian Buehlmann wrote:
> So, the 'unset' is sticky for changed files.
> 
> (I'm asking myself if this might cause problems for the shell
> extension of TortoiseHg. The shell extension directly reads
> .hg/dirstate ...)

No. It's not a problem (provided we manage not to go into an endless
loop sending update requests to thgtaskbar.exe forever).

'unset' entries show up as modified in the shell extension. Bingo.

(apologies for the noise)