diff --git a/Fonderie/fonderie.c b/Fonderie/fonderie.c
index 89d5d8ce..0d588c13 100644
--- a/Fonderie/fonderie.c
+++ b/Fonderie/fonderie.c
@@ -238,6 +238,7 @@ if (verbosity) {
 	fprintf(stderr, "\toutput dir        '%s'\n", out_dir);
 	fprintf(stderr, "\tsrc filter        '%s'\n", InFchain);
 	fprintf(stderr, "\tout filter        '%s'\n", OutFchain);
+	fprintf(stderr, "\tfifo size         %d\n",   fifosize);
 	}
 
 foo = parse_filter_chain(0, InFchain);
diff --git a/Fonderie/sfx.c b/Fonderie/sfx.c
index 4d29b6cb..74f93928 100644
--- a/Fonderie/sfx.c
+++ b/Fonderie/sfx.c
@@ -21,6 +21,16 @@
  */
 extern	int		verbosity;
 
+/* -------------------------------------------------------------- */
+/* new Sun Mar 31 22:31:31 UTC 2024				  */
+
+int add_a_border_0(FloatImg *src, FloatImg *dst)
+{
+
+fprintf(stderr, "****** %s:%s to be implemented\n", __FILE__, __func__);
+
+exit(1);
+}
 /* -------------------------------------------------------------- */
 /*
  * nouveau Sun Jul 16 07:37:22 UTC 2023
diff --git a/Fonderie/singlepass.c b/Fonderie/singlepass.c
index ed1af820..9723af96 100644
--- a/Fonderie/singlepass.c
+++ b/Fonderie/singlepass.c
@@ -94,7 +94,7 @@ for (idx=0; idx<globbuf.gl_pathc; idx++) {
 		}
 
 	if (0==idx && verbosity) {
-		fprintf(stderr, "image size %dx%d\n",
+		fprintf(stderr, "\tfirst image size %dx%d\n",
 					image.width, image.height);
 		}