--- /usr/lib/python2.3/curses/textpad.py	2004-06-07 21:52:02.000000000 +0200
+++ textpad.py	2004-10-17 21:57:23.660657440 +0200
@@ -58,19 +58,29 @@
             last = last - 1
         return last
 
+    def _insert_printable_char(self, ch):
+        (y, x) = self.win.getyx()
+        if y < self.maxy or x < self.maxx:
+            oldch = self.win.inch()
+            # The try-catch ignores the error we trigger from some curses
+            # versions by trying to write into the lowest-rightmost spot
+            # in the window.
+            try:
+                self.win.addch(ch)
+            except curses.error:
+                return
+            (backy, backx) = self.win.getyx()
+            if ascii.isprint(oldch):
+                self._insert_printable_char(oldch)
+                self.win.move(backy, backx)
+                
     def do_command(self, ch):
         "Process a single editing command."
         (y, x) = self.win.getyx()
         self.lastcmd = ch
         if ascii.isprint(ch):
             if y < self.maxy or x < self.maxx:
-                # The try-catch ignores the error we trigger from some curses
-                # versions by trying to write into the lowest-rightmost spot
-                # in the window.
-                try:
-                    self.win.addch(ch)
-                except curses.error:
-                    pass
+                self._insert_printable_char(ch)
         elif ch == ascii.SOH:                           # ^a
             self.win.move(y, 0)
         elif ch in (ascii.STX,curses.KEY_LEFT, ascii.BS,curses.KEY_BACKSPACE):