pgsql: Clarify documentation to state that "zero_damaged_pages" does no

Clarify documentation to state that "zero_damaged_pages" does not force
data to disk, so the table or index should be recreated before the
parameter is turned off again.

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=7106f74e2a6feb31c022dd98e7d93ab656dc079d

Modified Files
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doc/src/sgml/config.sgml | 14 ++++++++------
1 files changed, 8 insertions(+), 6 deletions(-)