psql: why not pset PROMPT[0-2] ?

(In psql:)
I need to modify the 2nd prompt. So i looked at the sources:
I leave the validity test (of the name of the option/param) to SetVariable !!

Here is the patch:

diff -c /internet/cvs/pgsql/src/bin/psql/command.c.~1~ /internet/cvs/pgsql/src/bin/psql/command.c
*** /internet/cvs/pgsql/src/bin/psql/command.c.~1~	Tue Feb  6 22:26:00 2001
--- /internet/cvs/pgsql/src/bin/psql/command.c	Tue Feb  6 22:26:00 2001
***************
*** 1745,1750 ****
--- 1745,1760 ----
  	}

+ 
+ 	/* toggle use of pager */
+ 	else if (strncmp(param, "PROMPT",6) == 0)
+ 	{
+ 	  SetVariable(pset.vars, param, value);	/* SetVariable takes care of whether param is actually valid !! */
+ 	}
+ 
+ 
+ 
+ 
  	else
  	{
  		psql_error("\\pset: unknown option: %s\n", param);

diff -c /internet/cvs/pgsql/src/bin/psql/tab-complete.c.~2~ /internet/cvs/pgsql/src/bin/psql/tab-complete.c
*** /internet/cvs/pgsql/src/bin/psql/tab-complete.c.~2~	Tue Feb  6 22:24:06 2001
--- /internet/cvs/pgsql/src/bin/psql/tab-complete.c	Tue Feb  6 22:24:06 2001
***************
*** 706,713 ****
  	else if (strcmp(prev_wd, "\\pset") == 0)
  	{
  		char	   *my_list[] = {"format", "border", "expanded", "null", "fieldsep",
! 			"tuples_only", "title", "tableattr", "pager",
! 		"recordsep", NULL};

  		COMPLETE_WITH_LIST(my_list);
  	}
--- 706,713 ----
  	else if (strcmp(prev_wd, "\\pset") == 0)
  	{
  		char	   *my_list[] = {"format", "border", "expanded", "null", "fieldsep",
! 					 "tuples_only", "title", "tableattr", "pager", 
! 					 "PROMPT1","PROMPT2","PROMPT3","recordsep", NULL};

COMPLETE_WITH_LIST(my_list);
}