diff --git a/.gitignore b/.gitignore
index 62aaa6a..9efe977 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 
 *.o
 
+libbubulles.a
 tbb
 gmon.out
 dummy-file
diff --git a/Makefile b/Makefile
index 3b46311..54ca637 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@
 
 CC = gcc
 
-OPT = -Wall -g -DDEBUG_LEVEL=1 -DMUST_ABORT
+OPT = -Wall -g -DDEBUG_LEVEL=0 -DMUST_ABORT
 CC = gcc
 
 libbubulles.a:	bubulles.o
diff --git a/bubulles.c b/bubulles.c
index 8b09c87..b988627 100644
--- a/bubulles.c
+++ b/bubulles.c
@@ -286,6 +286,9 @@ what->fidx = what->size - 1;
 return 0;
 }
 /* --------------------------------------------------------------------- */
+/*
+ *				this is the WTF function * see tbb.c 
+ */
 int bubulles_to_data(char *fname, char *title, BBList *bbl, int k)
 {
 FILE		*fp;
diff --git a/bubulles.h b/bubulles.h
index 40765ed..0921bc0 100644
--- a/bubulles.h
+++ b/bubulles.h
@@ -4,7 +4,7 @@
 
 /* --------------------------------------------------------------------- */
 
-#define LIBBB_VERSION		50
+#define LIBBB_VERSION		51
 
 #define SZ_BUBULLE_TEXT		51		/* arbitrary value */
 
@@ -59,8 +59,23 @@ void	bubulles_sizeof(int k);
 
 Bubulle * bubulle_getaddr(BBList *where, int idx);
 
-int fprint_bubulles(FILE *fp, char *title, BBList *bbl, int k);
+/*
+ *	export functions
+ */
+
+/*
+ *		export Awk machinable.
+ * flags :
+ *	0x0001		print diameter
+ *	0x0002		print graylevel
+ *	0x0004		print RGB values
+ */
+int fprint_bubulles(FILE *fp, char *title, BBList *bbl, int flags);
+
+/* only human readable */
 int niceprint_bubulle(Bubulle *what, int unused);
+
+/* this is just a wtf function * see tbb.c */
 int bubulles_to_data(char *fname, char *title, BBList *bbl, int k);
 
 /* --------------------------------------------------------------------- */
diff --git a/tbb.c b/tbb.c
index 115d7b5..339bcaf 100644
--- a/tbb.c
+++ b/tbb.c
@@ -84,7 +84,7 @@ foo = peek_bubulle(bublist, &bubulle, in);
 fprintf(stderr, "peek 1     -> %7d\n", foo);
 
 foo = niceprint_bubulle(&bubulle, 0);
-fprintf(stderr, "niceprint  -> %7d\n", foo);
+if (foo) fprintf(stderr, "niceprint  -> %d\n", foo);
 
 foo = peek_bubulle(bublist, &bubulle, out);
 fprintf(stderr, "peek 2     -> %7d\n", foo);
@@ -97,7 +97,7 @@ foo = peek_bubulle(bublist, &bubulle, in);
 fprintf(stderr, "peek 3     -> %7d\n", foo);
 
 foo = niceprint_bubulle(&bubulle, 0);
-fprintf(stderr, "niceprint  -> %7d\n", foo);
+if (foo) fprintf(stderr, "niceprint  -> %d\n", foo);
 
 free_bubulles(bublist, 0);