Changes to the AGU style files art-jgr.sty and art-grl.sty

Version 4.2, 1993 July 23

The \cite macros have been completely revised. It is no longer necessary
to write \paractive to the auxiliary file in order to make the parentheses
active characters temporarily. This thus removes a possible sources of bugs.
At the same time, it is possible to fix up a deficiency so that references
with the same set of authors, printed with the same \cite command, only have
the author names printed once. Eg, \cite[]{jones90,jones91} produces
  [Jones et al., 1990, 1991].
  
Previously equations in the appendices were numbered A1, A2, ... B1, B2...
while figures and tables were just numbered continuously throughout the paper
including the appendix. I have found papers in JGR where this is done.
However, it would seem to be better for tables and figures in appendices to be
numbered as the equations. This is now included in the style. 
(For those who prefer the older method, figures numbered continuously, you
will have to alter the \@appendix command on your own.)

Sublabelling of equations, figures, etc. has been recoded in a less buggy 
way. The commands \sublabon{counter} and \sublaboff{counter} are used to
bracket the text where the specified counter is to be held constant and italic
letters are added to it. Counter may be set to equation, figure, plate, table.
The previous commands for this were called \sublabelon and \sublabeloff,
taking NO arguments. They operated on all 4 of the above-mentioned counters
simultaneously. For consistency, they have been retained. (The older coding
had a serious bug with respect to the figures and tables and so could not work
anyway.)

The older version would not run properly under the New Font Selection Scheme
(NFSS). This has been fixed up.

Patrick W. Daly
Max-Planck-Institut f\"ur Aeronomie
Postfach 20
D-37189 Katlenburg-Lindau
Germany
E-Mail:     Span-  nsp::linmpi::daly (NB nsp==former ecd1)
            Internet-  daly@linmpi.dnet.gwdg.de