PostGIS 1.5.2rc1 2010-09-19 Items in PostGIS 1.5.2 rc1

 - This is a bug fix release, addressing issues that have been
   filed since the 1.5.1 release.

 - Bug Fixes
   - Loader: fix handling of empty (0-verticed) geometries in shapefiles.
     (Sandro Santilli)
   - #536, Geography ST_Intersects, ST_Covers, ST_CoveredBy and
     Geometry ST_Equals not using spatial index (Regina Obe, Nicklas Aven)
   - #573, Improvement to ST_Contains geography
   - Loader: Add support for command-q shutdown in Mac GTK build (Paul Ramsey)
   - #393, Loader: Add temporary patch for large DBF files 
     (Maxime Guillaud, Paul Ramsey)  
   - #507, Fix wrong OGC URN in GeoJSON and GML output (Olivier Courtin)
   - spatial_ref_sys.sql Add datum conversion for projection SRID 3021
     (Paul Ramsey)
   - Geography - remove crash for case when all geographies are out of
     the estimate (Paul Ramsey)
   - #469, Fix for array_aggregation error (Greg Stark, Paul Ramsey)
   - #532, Temporary geography tables showing up in other user sessions
     (Paul Ramsey)
   - #562, ST_Dwithin errors for large geographies (Paul Ramsey)
   - #513, shape loading GUI tries to make spatial index when loading DBF only
     mode (Paul Ramsey)
   - #527, shape loading GUI should always append log messages 
     (Mark Cave-Ayland)
   - #504 shp2pgsql should rename xmin/xmax fields (Sandro Santilli)
   - #458 postgis_comments being installed in contrib instead of 
     version folder (Mark Cave-Ayland)
   - #474 Analyzing a table with geography column crashes server
     (Paul Ramsey)
   - #581 LWGEOM-expand produces inconsistent results
     (Mark Cave-Ayland)
   - #471 DocBook dtd errors (Olivier Courtin)
   - Fix further build issues against PostgreSQL 9.0 
     (Mark Cave-Ayland)
   - #572 Password whitespace for Shape File to PostGIS 
     Import not supported (Mark Cave-Ayland)
   - #603 shp2pgsql: "-w" produces invalid WKT for MULTI* objects.
     (Mark Cave-Ayland)
 - Enhancement
   - #513 Add dbf filter to shp2pgsql-gui and allow uploading dbf only
     (Paul Ramsey)
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