I admit this is a dumb question, but here it is. I installed PostGIS on my Ubuntu 11.10 environment a few weeks ago using the excellent instructions at http://www.letseehere.com/postgis-geocoder-using-tiger-2010-data.
Since then, the *geocode_intersection* function was added, and I need it. I'm not clear what is the process of replacing the older snapshot of PostGIS with this newer one. I don't see an obvious install/uninstall routine. I tried the soft upgrade at http://postgis.refractions.net/documentation/manual-svn/postgis_installation.html#upgrading, but that didn't work. Do I need to do the hard upgrade each time I do a SVN update? Aren
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