Enables space savings when the remote C<manifest.js.gz>
includes C<forkgroup> entries as generated by grokmirror 2.x.
-If C<DIR> is not an absolute path, it is relative to the
-C<DESTINATION> directory. If only C<--objstore=> is specified
-where C<DIR> is an empty string (C<"">), then C<objstore>
+If C<DIR> does not start with C</>, C<./>, or C<../>, it is treated
+as relative to the C<DESTINATION> directory. If only C<--objstore=>
+is specified where C<DIR> is an empty string (C<"">), then C<objstore>
(C<$DESTINATION/objstore>) is the implied value of C<DIR>.
=item --manifest=FILE
When incrementally updating an existing mirror, load the given
manifest (typically C<manifest.js.gz>) to speed up updates.
-If C<FILE> is not an absolute path, it is relative to the
-C<DESTINATION> directory. If only C<--manifest => is specified
-where C<FILE > is an empty string (C<"">), then C<manifest.js.gz>
+By default, public-inbox writes the retrieved manifest to
+C<$DESTINATION/manifest.js.gz>, this directive also
+changes the destination to the specified C<FILE>
+
+If C<FILE> does not start with C</>, C<./>, or C<../>, it is treated
+as relative to the C<DESTINATION> directory. If only C<--manifest=>
+is specified where C<FILE> is an empty string (C<"">), then C<manifest.js.gz>
(C<$DESTINATION/manifest.js.gz>) is the implied value of C<FILE>.
=item -p