=head1 STITCHING, PSEUDO-MERGES, FFQ RECORD
Whenever the branch C<refs/B> is unstitched,
-the previous tip is recorded in the git ref C<refs/ffq-prev/heads/B>.
+the previous tip is recorded in the git ref C<refs/ffq-prev/B>.
Unstiched branches are not fast forward from the published
-interchange branches. [1]
+interchange branches [1].
So before a branch can be pushed,
the right pseudomerge must be reestablished.
This is the stitch operation,
which consumes the ffq-prev ref.
-When the user has an unstituched branch,
+When the user has an unstitched branch,
they may rewrite it freely,
from the breakwater tip onwards.
Such a git rebase is the default operation for git-debrebase.
commits containing upstream file changes, packaging changes,
or both.
+(This may make the branch unlaundered.)
+
=item Launder branch
Record the previous tip in ffq-prev,
3.0 (quilt) .dsc source packages,
the delta queue must be reified inside the git tree
in B<debian/patches/>.
-(These can be stripped out and/or regenerated as needed.)
+These patch files can be stripped out and/or regenerated as needed.
=back