py3: use %d to format an int
Avoids a TypeError under py3. Fortunately this is very much an edge case since
it requires the user to have deliberately created a local tag of the form
'D\d+' that isn't truthful.
Differential Revision: https://phab.mercurial-scm.org/D7215
Mercurial
=========
Mercurial is a fast, easy to use, distributed revision control tool
for software developers.
Basic install::
$ make # see install targets
$ make install # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg # see help
Running without installing::
$ make local # build for inplace usage
$ ./hg --version # should show the latest version
See https://mercurial-scm.org/ for detailed installation
instructions, platform-specific notes, and Mercurial user information.