Add LS2 and LS3

These sequences are the equivalents of LS0 and LS1, but for G2 and
G3.

diff --git a/st.c b/st.c
index 19e4379..22a1ce6 100644 (file)
--- a/st.c
+++ b/st.c
@@ -2497,6 +2497,10 @@ eschandle(uchar ascii) {
        case 'k': /* old title set compatibility */
                tstrsequence(ascii);
                return 0;
+       case 'n': /* LS2 -- Locking shift 2 */
+       case 'o': /* LS3 -- Locking shift 3 */
+               term.charset = 2 + (ascii - 'n');
+               break;
        case '(': /* GZD4 -- set primary charset G0 */
        case ')': /* G1D4 -- set secondary charset G1 */
        case '*': /* G2D4 -- set tertiary charset G2 */