pgsql/doc/src/sgml datatype.sgml

CVSROOT:    /home/projects/pgsql/cvsroot
Module name:    pgsql
Changes by:    petere@hub.org    01/02/14 14:37:26

Modified files:
    doc/src/sgml   : datatype.sgml

Log message:
    Alter documentation of boolean type, add example.  Someone figured that it
    wasn't clear that the "boolean type" was actually called "boolean".  Add
    tip about "casting" booleans using CASE.

    Spell check whole file.