diff --git a/Lib/operat.c b/Lib/operat.c
index 73f5ef6..c3196ac 100644
--- a/Lib/operat.c
+++ b/Lib/operat.c
@@ -108,11 +108,10 @@ int Image_luminance(Image_Desc *src, Image_Desc *dst, int factor)
 int	foo;
 int	x, y;
 
-#if DEBUG_LEVEL > 1
+#if DEBUG_LEVEL
 fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, src, dst, factor);
-#endif
-
 fprintf(stderr, "luminance factor: %d   %f\n", factor, (float)factor / 256.0);
+#endif
 
 if ( (foo=Image_compare_desc(src, dst)) ) {
     fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
@@ -154,11 +153,11 @@ int	*cumlr, *cumlg, *cumlb;
 long	cr, cg, cb, s;
 
 if (yoyo != 0) {
-	fprintf(stderr, "%s: yoyo is %d\n", __func__, yoyo);
+	fprintf(stderr, "%s: yoyo is %d ?\n", __func__, yoyo);
 	}
 
 if ( (foo=Image_compare_desc(src, dst)) ) {
-    fprintf(stderr, "Image Egalise RGB: images are differents %d\n", foo);
+    fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
     return foo;
     }
 
@@ -178,7 +177,7 @@ cr = cg = cb = 0L;
 s = (src->width * src->height);
 
 #if DEBUG_LEVEL
-fprintf(stderr, "Image Egalise 0: surface = %ld\n", s);
+fprintf(stderr, "%s: surface = %ld\n", __func__, s);
 #endif
 
 for (foo=0; foo<256; foo++) {
diff --git a/Lib/tele_2.c b/Lib/tele_2.c
index 0664a66..13a0b8f 100644
--- a/Lib/tele_2.c
+++ b/Lib/tele_2.c
@@ -14,16 +14,19 @@
 /*
  *		comme au bon vieux temps...
  */
-int
-Image_TV_old(Image_Desc *src, Image_Desc *dst, int p1, int p2, int p3)
+int Image_TV_old(Image_Desc *src, Image_Desc *dst, int p1, int p2, int p3)
 {
 int	foo;
 int	x, y, v1, v2;
 int	resteY;
 int	sigma;
 
-if ( (foo=Image_compare_desc(src, dst)) )
-    {
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %p  %d %d %d )\n", __func__, 
+			src, dst,  p1, p2, p3);
+#endif
+
+if ( (foo=Image_compare_desc(src, dst)) ) {
     fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
     return foo;
     }
@@ -36,13 +39,11 @@ resteY /= 2;		/* half for the top, half for the bottom */
 
 #if DEBUG_LEVEL
 fprintf(stderr, "%s : height %d reste Y %d\n", __func__, src->height, resteY);
-fprintf(stderr, "%s : %d %d %d -> %d\n", __func__, p1, p2, p3, sigma);  
+fprintf(stderr, "%s : %d %d %d -> %d\n",       __func__, p1, p2, p3, sigma);  
 #endif
 
-for (y=resteY; y<src->height-resteY-1; y+=3)
-	{
-	for (x=0; x<src->width; x++)
-		{
+for (y=resteY; y<src->height-resteY-1; y+=3) {
+	for (x=0; x<src->width; x++) {
 		v1 =  ( Image_R_pixel(src, x, y) +
 			Image_R_pixel(src, x, y+1) +
 			Image_R_pixel(src, x, y+2) +
@@ -68,20 +69,17 @@ return FUNC_IS_BETA;
 /*	
  *	this is juste a wrapper function - need more work...
  */
-int
-Image_TV_veryold(Image_Desc *src, Image_Desc *dst, int p1, int p2, int p3)
+int Image_TV_veryold(Image_Desc *src, Image_Desc *dst, int p1, int p2, int p3)
 {
 int	foo;
 
 /* 15 janvier 2007: chasse au coredump... */
-if ( (src->magic!=MAGIC_OF_IMAGE) || (dst->magic!=MAGIC_OF_IMAGE) )
-    {
+if ( (src->magic!=MAGIC_OF_IMAGE) || (dst->magic!=MAGIC_OF_IMAGE) ) {
     fprintf(stderr, "Image TV veryold: bad image descriptor\n");
     abort();
     }
 
-if ( (foo=Image_compare_desc(src, dst)) )
-    {
+if ( (foo=Image_compare_desc(src, dst)) ) {
     fprintf(stderr, "Image TV veryold: images are differents %d\n", foo);
     return foo;
     }
@@ -95,16 +93,19 @@ return FUNC_IS_ALPHA;
 /*
  *	new 10 novembre 2013, in mixart-myrys
  */
-int
-Image_TV_pix_0(Image_Desc *src, Image_Desc *dst, int w, int h, int grey)
+int Image_TV_pix_0(Image_Desc *src, Image_Desc *dst, int w, int h, int grey)
 {
 int		foo, ox, oy;
 int		x, y, r, g, b;
 int		xmax, ymax;
 Image_Rect      zone;
 
-if ( (foo=Image_compare_desc(src, dst)) )
-    {
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %p  %d %d %d )\n", __func__, 
+			src, dst,  w, h, grey);
+#endif
+
+if ( (foo=Image_compare_desc(src, dst)) ) {
     fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
     return foo;
     }
@@ -113,8 +114,7 @@ if ( (foo=Image_compare_desc(src, dst)) )
 	fprintf(stderr, "%s : w %d h %d grey %d\n", __func__, w, h, grey);
 #endif
 
-if (0==h || 0==w)
-	{
+if (0==h || 0==w) {
 	return BAD_PARAMETER;
 	}
 
@@ -127,11 +127,9 @@ fprintf(stderr, "%s : offsets = %d %d\n", __func__, ox, oy);
 #endif
 Image_clear(dst, grey, grey, grey);
 
-for (x=ox; x<xmax; x+=w)
-	{
+for (x=ox; x<xmax; x+=w) {
 	zone.x = x + (w/2);
-	for (y=oy; y<ymax; y+=h)
-		{
+	for (y=oy; y<ymax; y+=h) {
 		zone.y = y + (h/2);
 		r = src->Rpix[y][x] & 0xfe;
 		g = src->Gpix[y][x] & 0xfe;
@@ -154,8 +152,12 @@ int		x, y, v1, v2, r, g, b;
 int		xmax, ymax;
 Image_Rect      zone;
 
-if ( (foo=Image_compare_desc(src, dst)) )
-    {
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p %p  %d %d %d )\n", __func__, 
+			src, dst,  w, h, p3);
+#endif
+
+if ( (foo=Image_compare_desc(src, dst)) ) {
     fprintf(stderr, "%s: images are differents %d\n", __func__, foo);
     return foo;
     }
@@ -164,8 +166,7 @@ if ( (foo=Image_compare_desc(src, dst)) )
 fprintf(stderr, "%s : w %d h %d g%d\n", __func__, w, h, p3);
 #endif
 
-if ((0==h) || (0==w))
-	{
+if ((0==h) || (0==w)) {
 	return BAD_PARAMETER;
 	}
 
@@ -175,11 +176,9 @@ xmax = src->width - w;
 ymax = src->height - h;
 v1 = v2 = 0;
 
-for (x=0; x<xmax; x+=w)
-	{
+for (x=0; x<xmax; x+=w) {
 	zone.x = x;
-	for (y=0; y<ymax; y+=h)
-		{
+	for (y=0; y<ymax; y+=h) {
 		zone.y = y;
 		r = src->Rpix[y][x];
 		g = src->Gpix[y][x];
@@ -221,8 +220,7 @@ fprintf(stderr, "%s: largeur %d, taille %d\n", __func__, src->width, taille);
 
 Image_gray_noise_0(dst, 20, 60);
 
-for (y=0; y<src->height; y++)
-	{
+for (y=0; y<src->height; y++) {
 	switch (rand()%3) {
 		case 0 :
 			memcpy((dst->Rpix[y]), src->Rpix[y], taille);
@@ -262,8 +260,7 @@ Image_clear(dst, 60, 60, 60);		/* XXX necessaire ? */
 
 idx = rand() % 42;
 
-for (y=0; y<src->height; y++)
-	{
+for (y=0; y<src->height; y++) {
 	if (0==mode) {
 		tri = (idx + y) % 3;
 		}
@@ -273,8 +270,7 @@ for (y=0; y<src->height; y++)
 #if DEBUG_LEVEL > 1
 	fprintf(stderr, "     %5d -> %d\n", y, tri);
 #endif
-	switch (tri)
-		{
+	switch (tri) {
 		case 0:
 			for (x=0; x<(src->width)-1; x++) {
 				v =  (src->Rpix[y][x] + src->Rpix[y][x+1]);