Fix SI and SO

[st.git] / st.c

diff --git a/st.c b/st.c
index c90bed1..19e4379 100644 (file)
--- a/st.c
+++ b/st.c
@@ -2431,11 +2431,9 @@ tcontrolcode(uchar ascii) {
                term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
                term.esc |= ESC_START;
                return;
                term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
                term.esc |= ESC_START;
                return;

-       case '\016': /* SO */
-               term.charset = 0;
-               return;
-       case '\017': /* SI */
-               term.charset = 1;
+       case '\016': /* SO (LS1 -- Locking shift 1) */
+       case '\017': /* SI (LS0 -- Locking shift 0) */
+               term.charset = 1 - (ascii - '\016');

                return;
        case '\032': /* SUB */
                tsetchar(question, &term.c.attr, term.c.x, term.c.y);
                return;
        case '\032': /* SUB */
                tsetchar(question, &term.c.attr, term.c.x, term.c.y);