"read only" attribute set. r=bsmedberg, a=jay git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_8_BRANCH@218904 18797224-902f-48f8-a5cc-f745e15eee43
"read only" attribute set. r=bsmedberg, a=jay git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_8_BRANCH@218904 18797224-902f-48f8-a5cc-f745e15eee43