Thread: pgsql: Remove obsolete examples of add-on parsers and dictionary

Log Message:
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Remove obsolete examples of add-on parsers and dictionary templates;
these are more easily and usefully maintained as contrib modules.
Various other wordsmithing, markup improvement, etc.

Modified Files:
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    pgsql/doc/src/sgml:
        textsearch.sgml (r1.18 -> r1.19)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/textsearch.sgml?r1=1.18&r2=1.19)