Index: src/backend/utils/misc/tzparser.c
===================================================================
--- src/backend/utils/misc/tzparser.c	(HEAD)
+++ src/backend/utils/misc/tzparser.c	(working copy)
@@ -29,7 +29,7 @@
 #include "utils/tzparser.h"
 
 
-#define WHITESPACE " \t\n\r"
+#define WHITESPACE " \f\n\r\t\v" /* as defined by isspace() */
 
 static int	tz_elevel;			/* to avoid passing this around a lot */
 
Index: src/bin/pg_ctl/pg_ctl.c
===================================================================
--- src/bin/pg_ctl/pg_ctl.c	(HEAD)
+++ src/bin/pg_ctl/pg_ctl.c	(working copy)
@@ -49,7 +49,7 @@
 typedef long pgpid_t;
 
 
-#define WHITESPACE "\f\n\r\t\v" /* as defined by isspace() */
+#define WHITESPACE " \f\n\r\t\v" /* as defined by isspace() */
 
 /* postgres version ident string */
 #define PM_VERSIONSTR "postgres (PostgreSQL) " PG_VERSION "\n"