This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.
I was in the middle of one of these "projects" when I started
on the next, so they wound up all intermixed)
Move the mailing list entities from authors.sgml to the new file
lists.sgml. Add an entity for majordomo at the same time.
Avoid the use of contractions. This revealed some grammer problems,
and also has the benefit of helping make things clearer for those people
who do make speak English as a their first language.
All cross reference labels start with name of the file that contains
them. A label for the top section level is simply the name of the
file (omitting the .sgml). Other references within the file append a
colon and onother name. For example, the label on the mailing list
section in the file eresources.sgml is eresources:mail. This gives
each file its own cross reference namespace.
