2003/03/13 15:30:38 jb 1.7.10.1.4.3: #107404# Further clean up of node::Attributes
2003/02/28 16:33:14 ssmith 1.7.10.1.4.2: #107403# #107403# adding support for mandatory flag and changing dynamic properties semantics
2003/02/17 15:56:59 ssmith 1.7.10.1.4.1: #107404# refactoring code to support encapsulation