1 files changed, 8 insertions, 6 deletions

diff --git a/st.c b/st.c
index baab589..fd872c1 100644
--- a/st.c
+++ b/st.c
@@ -2335,19 +2335,19 @@ tcontrolcode(uchar ascii) {
         switch(ascii) {
         case '\t':   /* HT */
                 tputtab(1);
-                break;
+                return;
         case '\b':   /* BS */
                 tmoveto(term.c.x-1, term.c.y);
-                break;
+                return;
         case '\r':   /* CR */
                 tmoveto(0, term.c.y);
-                break;
+                return;
         case '\f':   /* LF */
         case '\v':   /* VT */
         case '\n':   /* LF */
                 /* go to first col if the mode is set */
                 tnewline(IS_SET(MODE_CRLF));
-                break;
+                return;
         case '\a':   /* BEL */
                 if(term.esc & ESC_STR_END) {
                         /* backwards compatibility to xterm */
@@ -2366,10 +2366,10 @@ tcontrolcode(uchar ascii) {
                 return;
         case '\016': /* SO */
                 term.charset = 0;
-                break;
+                return;
         case '\017': /* SI */
                 term.charset = 1;
-                break;
+                return;
         case '\032': /* SUB */
                 tsetchar(question, &term.c.attr, term.c.x, term.c.y);
         case '\030': /* CAN */
@@ -2380,6 +2380,7 @@ tcontrolcode(uchar ascii) {
         case '\021': /* XON (IGNORED) */
         case '\023': /* XOFF (IGNORED) */
         case 0177:   /* DEL (IGNORED) */
+                return;
         case 0x84:   /* TODO: IND */
         case 0x85:   /* TODO: NEL */
         case 0x88:   /* TODO: HTS */
@@ -2396,6 +2397,7 @@ tcontrolcode(uchar ascii) {
         case 0x9f:   /* TODO: APC */
                 break;
         }
+        /* only CAN, SUB, \a and C1 chars interrupt a sequence */
         term.esc &= ~(ESC_STR_END|ESC_STR);
         return;
 }