updated for version 7.1-131

src/option.c

@@ -8753,6 +8753,8 @@ put_setbool(fd, cmd, name, value)
     char	*name;
     int		value;
 {
+    if (value < 0)	/* global/local option using global value */
+	return OK;
     if (fprintf(fd, "%s %s%s", cmd, value ? "" : "no", name) < 0
 	    || put_eol(fd) < 0)
 	return FAIL;