Apparently, no one's ever used float4abs(), because it's got incorrect

data in its pg_proc entry.  abs() doesn't require two arguments, last
I heard.

src/include/catalog/pg_proc.h

@@ -6,7 +6,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: pg_proc.h,v 1.112 2000/01/10 16:13:21 momjian Exp $
+ * $Id: pg_proc.h,v 1.113 2000/01/17 00:40:51 tgl Exp $
  *
  * NOTES
  *	  The script catalog/genbki.sh reads this file and generates .bki
@@ -434,7 +434,7 @@ DATA(insert OID = 205 (  float4mi		   PGUID 11 f t t 2 f 700 "700 700" 100 0 0 1
 DESCR("subtract");
 DATA(insert OID = 206 (  float4um		   PGUID 11 f t t 1 f 700 "700" 100 0 0 100  float4um - ));
 DESCR("subtract");
-DATA(insert OID = 207 (  float4abs		   PGUID 11 f t t 1 f 700 "700 700" 100 0 0 100  float4abs - ));
+DATA(insert OID = 207 (  float4abs		   PGUID 11 f t t 1 f 700 "700" 100 0 0 100  float4abs - ));
 DESCR("absolute value");
 DATA(insert OID = 208 (  float4inc		   PGUID 11 f t t 1 f 700 "700" 100 0 0 100  float4inc - ));
 DESCR("increment");