awk: undo locale setting for numbers - or else parsing

can act quite mysteriously
date: add if(ENABLE_LOCALE_SUPPORT)

coreutils/date.c

@@ -212,7 +212,8 @@ format_utc:
 			}
 		} else if (opt & DATE_OPT_RFC2822) {
 			/* Undo busybox.c for date -R */
-			setlocale(LC_TIME, "C");
+			if (ENABLE_LOCALE_SUPPORT)
+				setlocale(LC_TIME, "C");
 			strcpy(date_fmt, "%a, %d %b %Y %H:%M:%S ");
 			i = 22;
 			goto format_utc;

editors/awk.c

@@ -2652,6 +2652,11 @@ int awk_main(int argc, char **argv)
 	char *vnames = (char *)vNames; /* cheat */
 	char *vvalues = (char *)vValues;
 
+        /* Undo busybox.c, or else strtod may eat ','! This breaks parsing:
+	 * $1,$2 == '$1,' '$2', NOT '$1' ',' '$2' */
+	if (ENABLE_LOCALE_SUPPORT)
+		setlocale(LC_NUMERIC, "C");
+
 	zero_out_var(&tv);
 
 	/* allocate global buffer */