Merged from mwolson@gnu.org--2006 (patch 28-31)
Patches applied:
* mwolson@gnu.org--2006/muse--main--1.0--patch-28
Merge consecutive definition list terms properly.
* mwolson@gnu.org--2006/muse--main--1.0--patch-29
Pass all current definition list test cases.
* mwolson@gnu.org--2006/muse--main--1.0--patch-30
Fix another definition list edge case.
* mwolson@gnu.org--2006/muse--main--1.0--patch-31
Fix a couple of bugs in muse-wiki-resolve-project-page.
git-archimport-id: mwolson@gnu.org--2006-muse-el/muse-el--devel--0--patch-6