ENH: 6641: Supporting other update/diff viewers (Trac+SVN)
ENH: 6641: Supporting other update/diff viewers (Trac+SVN)

jcfr/CDash,cpatrick/CDash,jcfr/CDash,cpatrick/CDash,cpatrick/CDash,jcfr/CDash,cpatrick/CDash,jcfr/CDash,jcfr/CDash,cpatrick/CDash,cpatrick/CDash,jcfr/CDash