If you make two changes for separate reasons, then we might not want
to install them both. We might want to install just one, or install
-each one in a different versions of Emacs. If you send them all
+them separately in different versions of Emacs. If you send them all
jumbled together in a single set of diffs, we have to do extra work to
disentangle them---to figure out which parts of the change serve which
purpose. If we don't have time for this, we might have to postpone