* notes/locking-design.txt: Add a bunch of comments.
* notes/locking-design.txt: Add a bunch of comments.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion