Log Message:
-----------
Remove unhelpful/misleading advice about how to use SPI_saveplan().
Per gripe from Jack Orenstein.
Modified Files:
--------------
pgsql/doc/src/sgml:
spi.sgml (r1.47 -> r1.48)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/spi.sgml.diff?r1=1.47&r2=1.48)