* notes/propmerging_sanity.txt:  add comment for discussion.
* notes/propmerging_sanity.txt:  add comment for discussion.

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