1 files changed, 8 insertions, 4 deletions

diff --git a/st.c b/st.c
index 264fc84..3940bbd 100644
--- a/st.c
+++ b/st.c
@@ -591,10 +591,16 @@ tsetscroll(int t, int b) {
 
 void
 eschandle(void) { 
-        /* escdump(); */
         switch(escseq.pre) {
+        default:
+                goto unknown_seq;
         case '[':
                 switch(escseq.mode) {
+                default:
+                unknown_seq:
+                        fprintf(stderr, "erresc: unknown sequence\n");
+                        escdump();
+                        break;
                 case '@': /* Insert <n> blank char */
                         DEFAULT(escseq.arg[0], 1);
                         tinsertblank(escseq.arg[0]);
@@ -712,15 +718,13 @@ eschandle(void) {
 void
 escdump(void) { 
         int i;
-        puts("------");
         printf("rawbuf  : %s\n", escseq.buf);
         printf("prechar : %c\n", escseq.pre);
         printf("private : %c\n", escseq.priv ? '?' : ' ');
         printf("narg    : %d\n", escseq.narg);
-        if(escseq.narg) {
+        if(escseq.narg)
                 for(i = 0; i < escseq.narg; i++)
                         printf("\targ %d = %d\n", i, escseq.arg[i]);
-        }
         printf("mode    : %c\n", escseq.mode);
 }