Log Message:
-----------
With the interval/day patch, the horology regression test no longer
fails near DST transition days, so remove the advice about that testing
problem. Also improve the description of variant-comparison-file
selection.
Modified Files:
--------------
pgsql/doc/src/sgml:
regress.sgml (r1.46 -> r1.47)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/regress.sgml.diff?r1=1.46&r2=1.47)