Log Message:
-----------
Add the function's volatility to the output of psql's \df+ command.
Update the psql reference page accordingly.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
psql-ref.sgml (r1.191 -> r1.192)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/psql-ref.sgml.diff?r1=1.191&r2=1.192)
pgsql/src/bin/psql:
describe.c (r1.155 -> r1.156)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/describe.c.diff?r1=1.155&r2=1.156)
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TIP 2: Don't 'kill -9' the postmaster
