Performing substitutions during post-patch breaks tools such as mkpatches,
making it very difficult to regenerate correct patches after making changes,
and often leading to substituted string replacements being committed.
Problems found locating distfiles:
Package colorls: missing distfile ls.tar.gz
Package molden: missing distfile molden-4.6/molden4.6.tar.gz
Package softmaker-office-demo: missing distfile ofl06trial.tgz
Otherwise, existing SHA1 digests verified and found to be the same on
the machine holding the existing distfiles (morden). All existing
SHA1 digests retained for now as an audit trail.