1 files changed, 6 insertions, 3 deletions

diff --git a/st.c b/st.c
index 7b0fb21..769de8b 100644
--- a/st.c
+++ b/st.c
@@ -1987,10 +1987,13 @@ tputc(char *c, int len) {
                         term.esc = ESC_START;
                         return;
                 case '\016':    /* SO */
-                        term.c.attr.mode |= ATTR_GFX;
-                        return;
                 case '\017':    /* SI */
-                        term.c.attr.mode &= ~ATTR_GFX;
+                        /*
+                         * Different charsets are hard to handle. Applications
+                         * should use the right alt charset escapes for the
+                         * only reason they still exist: line drawing. The
+                         * rest is incompatible history st should not support.
+                         */
                         return;
                 case '\032':    /* SUB */
                 case '\030':    /* CAN */