fixed ED.

1 files changed, 6 insertions, 2 deletions

diff --git a/st.c b/st.c
index ed8e2a8..76a2016 100644
--- a/st.c
+++ b/st.c
@@ -883,10 +883,14 @@ csihandle(void) {
         case 'J': /* ED -- Clear screen */
                 switch(escseq.arg[0]) {
                 case 0: /* below */
-                        tclearregion(term.c.x, term.c.y, term.col-1, term.row-1);
+                        tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
+                        if(term.c.y < term.row-1)
+                                tclearregion(0, term.c.y+1, term.col-1, term.row-1);
                         break;
                 case 1: /* above */
-                        tclearregion(0, 0, term.c.x, term.c.y);
+                        if(term.c.y > 1)
+                                tclearregion(0, 0, term.col-1, term.c.y-1);
+                        tclearregion(0, term.c.y, term.c.x, term.c.y);
                         break;
                 case 2: /* all */
                         tclearregion(0, 0, term.col-1, term.row-1);