[cvsnt] readonly attribut in update

[Mark Johnson]

On 2/27/06, Arthur Barrett <arthur.barrett at march-hare.com> wrote:
> Files are automatically set to read-only if watches are on or if the
> file type/keyword expansion is set to cooperative (-kc) or exclusvive
> (-kx).

Also if you have set the local environment variable CVSREAD to
anything, it will set files to read-only (at least on windows, with
the version I have...2.5.02 I think).