psql documentation fixes

Update the documentation for \pset to mention
columns|linestyle.

Author: Дилян Палаузов <dpa-postgres@aegee.org>

doc/src/sgml/ref/psql-ref.sgml

@@ -2332,8 +2332,9 @@ lo_import 152801
         <tip>
         <para>
         There are various shortcut commands for <command>\pset</command>. See
-        <command>\a</command>, <command>\C</command>, <command>\H</command>,
-        <command>\t</command>, <command>\T</command>, and <command>\x</command>.
+        <command>\a</command>, <command>\C</command>, <command>\f</command>,
+        <command>\H</command>, <command>\t</command>, <command>\T</command>,
+        and <command>\x</command>.
         </para>
         </tip>
 

src/bin/psql/help.c

@@ -233,8 +233,9 @@ slashUsage(unsigned short int pager)
 	fprintf(output, _("  \\H                     toggle HTML output mode (currently %s)\n"),
 			ON(pset.popt.topt.format == PRINT_HTML));
 	fprintf(output, _("  \\pset [NAME [VALUE]]   set table output option\n"
-					  "                         (NAME := {format|border|expanded|fieldsep|fieldsep_zero|footer|null|\n"
-					  "                         numericlocale|recordsep|recordsep_zero|tuples_only|title|tableattr|pager})\n"));
+					  "                         (NAME := {border|columns|expanded|fieldsep|fieldsep_zero|\n"
+					  "                         footer|format|linestyle|null|numericlocale|pager|\n"
+					  "                         recordsep|recordsep_zero|tableattr|title|tuples_only})\n"));
 	fprintf(output, _("  \\t [on|off]            show only rows (currently %s)\n"),
 			ON(pset.popt.topt.tuples_only));
 	fprintf(output, _("  \\T [STRING]            set HTML <table> tag attributes, or unset if none\n"));