Log Message:-----------Add note warning against use of pre-8.4 multithreaded Tcl.
Modified Files:-------------- pgsql/doc/src/sgml: installation.sgml (r1.292 -> r1.293) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml?r1=1.292&r2=1.293)
