--- old/postgresql-7.2.1/src/backend/utils/misc/guc.c   Tue Oct 30 05:38:56 2001
+++ postgresql-7.2.1/src/backend/utils/misc/guc.c       Mon Nov  4 15:41:24 2002
@@ -49,6 +49,10 @@
 extern int     CommitSiblings;
 extern bool FixBTree;
 
+/* For float4 and float8 extra digits in output format */
+
+extern int extra_float_digits;
+
 #ifdef ENABLE_SYSLOG
 extern char *Syslog_facility;
 extern char *Syslog_ident;
@@ -502,6 +506,14 @@
                "commit_siblings", PGC_USERSET, &CommitSiblings,
                5, 1, 1000, NULL, NULL
        },
+
+       /*
+        * For float4 and float8 extra digits in output format
+        */
+       {
+               "float_extra_digits", PGC_USERSET, &extra_float_digits,
+               0, -13, 2, NULL, NULL
+       },                                        
 
        {
                NULL, 0, NULL, 0, 0, 0, NULL, NULL