[COMMITTERS] pgsql: Fix markup that doesn't work in back branches.

[Tom Lane]

Log Message:
-----------
Fix markup that doesn't work in back branches.

Modified Files:
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    pgsql/doc/src/sgml:
        release.sgml (r1.505 -> r1.506)
        
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release.sgml?r1=1.505&r2=1.506)

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TIP 2: Don't 'kill -9' the postmaster