Reading DTSpec v0.4, near the beginning: "The word should is used to indicate that among several possibilities one is recommended as particularly suitable, without mentioning or excluding others; or that a certain course of action is preferred but not necessarily required; or that (in the negative form) a certain course of action is deprecated but not prohibited (should equals is recommended that)." It seems contradictory to suggest that "should" implies "recommended" but, in the negative sense, it can also support "deprecated", which typically suggests something that is *not* recommended but is nonetheless acceptable. It just seems like that's giving off mixed messages. rday
