diff -urN midi_prog-/txprm.c midi_prog/txprm.c
--- midi_prog-/txprm.c	2015-04-04 00:00:00.000000000 +0900
+++ midi_prog/txprm.c	2015-04-04 01:00:00.000000000 +0900
@@ -114,6 +114,7 @@
 		for(i=0; fmt[i]==' '; i++);
 		if(i < idt) return fmt;
 		if(i > idt){
+			offset = 0;
 			fmt = loop(fmt, i, n);
 			continue;
 		}
@@ -133,10 +134,12 @@
 rev_work(void)
 {
 	char buf[ 4096 ], type[32], name[32], val[4096];
-	int i;
+	int i, idt = 0;
 
 	while(fgets(buf, sizeof(buf), stdin) != NULL){
 		for(i=0; buf[i]==' '; i++);
+		if(i > idt) offset = 0;
+		idt = i;
 		sscanf(buf+i, "%s %s %[^\n]\n", type, name, val);
 		rev_cnv(type, name, val);
 	}