Mostly consistency updates, plus a couple of minor fixes.
Line breaks in translated control text strings do not work, so have
been removed.
Obsolete ";categories" commands removed, and ";info" commands replaced
with standard Lisp comments.
... The code that parses the header was always just throwing them out.
The code that populates menus deduces whether to add ellipses, as there are
controls or not, regardless what the $name line said.