pgsql-server/doc/src/sgml backup.sgml charset. ...

CVSROOT:    /cvsroot
Module name:    pgsql-server
Changes by:    neilc@svr1.postgresql.org    04/03/09 12:57:47

Modified files:
    doc/src/sgml   : backup.sgml charset.sgml client-auth.sgml
                     datatype.sgml func.sgml perform.sgml
                     problems.sgml protocol.sgml runtime.sgml
                     wal.sgml xfunc.sgml
    doc/src/sgml/ref: alter_table.sgml analyze.sgml checkpoint.sgml
                      create_table.sgml create_table_as.sgml
                      create_user.sgml explain.sgml postmaster.sgml
                      select.sgml select_into.sgml

Log message:
    Refer to GUC variables using <xref> tags rather than <varname> tags,
    where appropriate. Add "id" and "xreflabel" tags to the descriptions
    of the GUC variables to facilitate this. Also make a few minor docs
    cleanups.