diff disagrees with status

[Adrian Buehlmann]

On 23.01.2008 22:11, j w wrote:
> The real issue is that since I'm using mercurial on top of perforce,
> mercurial complains that these files are read-only (thanks perforce)
> and aborts the update.

Set the "allwrite" option in your Perforce client workspace (default is 
"noallwrite")

http://www.perforce.com/perforce/doc.073/manuals/cmdref/client.html#1040665
field "Options"