st: New version of -spmap- available from SSC

[Maurizio Pisati <maurizio.pisati@unimib.it>]

Thanks to Kit Baum, a new version of -spmap- is now available from 
the SSC Archive.

New features:
* A new option -polyfirst- has been added. This new option allows the 
user to request that the supplementary polygons specified in option 
-polygon()- be drawn before the base map. By default, the base map is 
drawn before any other spatial object.
* A new option -freestyle- has been added. This new option allows the 
user to request that, when drawing the graph, all the formatting 
presets and restrictions built in -spmap- be ignored. By default, 
-spmap- presets the values of some graph options and restricts the 
use of some others, so as to produce a "nice" graph automatically. By 
specifying option -freestyle-, the user loses this feature but gains 
full control over most of the graph formatting options.
* Two new examples have been added to the help file to demonstrate 
the use of the new options.

Best wishes,
Maurizio Pisati

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