--- src/term.c
+++ src/term.c	2009-11-26 14:09:38.631431310 +0100
@@ -37,6 +37,7 @@ along with GNU Emacs.  If not, see <http
 
 #include <signal.h>
 #include <stdarg.h>
+#include <setjmp.h>
 
 #include "lisp.h"
 #include "termchar.h"
@@ -1650,7 +1651,7 @@ produce_glyphs (it)
       if (unibyte_display_via_language_environment
 	  && (it->c >= 0240))
 	{
-	  it->char_to_display = unibyte_char_to_multibyte (it->c);
+	  it->char_to_display = BYTE8_TO_CHAR (it->c);
 	  it->pixel_width = CHAR_WIDTH (it->char_to_display);
 	  it->nglyphs = it->pixel_width;
 	  if (it->glyph_row)
@@ -3467,9 +3465,7 @@ init_tty (char *name, char *terminal_typ
 
   tty->type = xstrdup (terminal_type);
 
-#ifdef subprocesses
   add_keyboard_wait_descriptor (fileno (tty->input));
-#endif
 
 #endif	/* !DOS_NT */
 
@@ -3959,8 +3957,6 @@ static void
 delete_tty (struct terminal *terminal)
 {
   struct tty_display_info *tty;
-  Lisp_Object tail, frame;
-  int last_terminal;
 
   /* Protect against recursive calls.  delete_frame in
      delete_terminal calls us back when it deletes our last frame.  */
@@ -3972,19 +3968,6 @@ delete_tty (struct terminal *terminal)
 
   tty = terminal->display_info.tty;
 
-  last_terminal = 1;
-  FOR_EACH_FRAME (tail, frame)
-    {
-      struct frame *f = XFRAME (frame);
-      if (FRAME_LIVE_P (f) && (!FRAME_TERMCAP_P (f) || FRAME_TTY (f) != tty))
-        {
-          last_terminal = 0;
-          break;
-        }
-    }
-  if (last_terminal)
-      error ("Attempt to delete the sole terminal device with live frames");
-
   if (tty == tty_list)
     tty_list = tty->next;
   else
@@ -4025,10 +4008,8 @@ delete_tty (struct terminal *terminal)
 
   xfree (tty->old_tty);
   xfree (tty->Wcm);
-  if (tty->termcap_strings_buffer)
-    xfree (tty->termcap_strings_buffer);
-  if (tty->termcap_term_buffer)
-    xfree (tty->termcap_term_buffer);
+  xfree (tty->termcap_strings_buffer);
+  xfree (tty->termcap_term_buffer);
 
   bzero (tty, sizeof (struct tty_display_info));
   xfree (tty);