diff --git a/src/auto/configure b/src/auto/configure
index bd26a7c..6087e0e 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -12476,103 +12476,6 @@
 $as_echo "don't know" >&6; }
 fi
 
-rm -f conftest_grp
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking default tty permissions/group" >&5
-$as_echo_n "checking default tty permissions/group... " >&6; }
-if ${vim_cv_tty_group+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
-    if test "$cross_compiling" = yes; then :
-
-      as_fn_error $? "cross-compiling: please set 'vim_cv_tty_group' and 'vim_cv_tty_mode'" "$LINENO" 5
-
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-#include "confdefs.h"
-#include <sys/types.h>
-#if STDC_HEADERS
-# include <stdlib.h>
-# include <stddef.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <sys/stat.h>
-#include <stdio.h>
-main()
-{
-  struct stat sb;
-  char *x,*ttyname();
-  int om, m;
-  FILE *fp;
-
-  if (!(x = ttyname(0))) exit(1);
-  if (stat(x, &sb)) exit(1);
-  om = sb.st_mode;
-  if (om & 002) exit(0);
-  m = system("mesg y");
-  if (m == -1 || m == 127) exit(1);
-  if (stat(x, &sb)) exit(1);
-  m = sb.st_mode;
-  if (chmod(x, om)) exit(1);
-  if (m & 002) exit(0);
-  if (sb.st_gid == getgid()) exit(1);
-  if (!(fp=fopen("conftest_grp", "w")))
-    exit(1);
-  fprintf(fp, "%d\n", sb.st_gid);
-  fclose(fp);
-  exit(0);
-}
-
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
-      if test -f conftest_grp; then
-	vim_cv_tty_group=`cat conftest_grp`
-	if test "x$vim_cv_tty_mode" = "x" ; then
-	  vim_cv_tty_mode=0620
-	fi
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: pty mode: $vim_cv_tty_mode, group: $vim_cv_tty_group" >&5
-$as_echo "pty mode: $vim_cv_tty_mode, group: $vim_cv_tty_group" >&6; }
-      else
-	vim_cv_tty_group=world
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ptys are world accessible" >&5
-$as_echo "ptys are world accessible" >&6; }
-      fi
-
-else
-
-      vim_cv_tty_group=world
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: can't determine - assume ptys are world accessible" >&5
-$as_echo "can't determine - assume ptys are world accessible" >&6; }
-
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $vim_cv_tty_group" >&5
-$as_echo "$vim_cv_tty_group" >&6; }
-rm -f conftest_grp
-
-if test "x$vim_cv_tty_group" != "xworld" ; then
-  cat >>confdefs.h <<_ACEOF
-#define PTYGROUP $vim_cv_tty_group
-_ACEOF
-
-  if test "x$vim_cv_tty_mode" = "x" ; then
-    as_fn_error $? "It seems you're cross compiling and have 'vim_cv_tty_group' set, please also set the environment variable 'vim_cv_tty_mode' to the correct mode (probably 0620)" "$LINENO" 5
-  else
-    $as_echo "#define PTYMODE 0620" >>confdefs.h
-
-  fi
-fi
-
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking return type of signal handlers" >&5
 $as_echo_n "checking return type of signal handlers... " >&6; }
diff --git a/src/config.h.in b/src/config.h.in
index 8354930..de53ffb 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -126,12 +126,6 @@
 #undef PTYRANGE0
 #undef PTYRANGE1
 
-/* Define mode for pty */
-#undef PTYMODE
-
-/* Define group for pty */
-#undef PTYGROUP
-
 /* Define as the return type of signal handlers (int or void).  */
 #undef RETSIGTYPE
 
diff --git a/src/configure.ac b/src/configure.ac
index 2037de7..687bdf9 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -3673,77 +3673,6 @@
   AC_MSG_RESULT([don't know])
 fi
 
-dnl    ****  pty mode/group handling ****
-dnl
-dnl support provided by Luke Mewburn <lm@rmit.edu.au>, 931222
-rm -f conftest_grp
-AC_CACHE_CHECK([default tty permissions/group], [vim_cv_tty_group],
-  [
-    AC_RUN_IFELSE([AC_LANG_SOURCE([[
-#include "confdefs.h"
-#include <sys/types.h>
-#if STDC_HEADERS
-# include <stdlib.h>
-# include <stddef.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <sys/stat.h>
-#include <stdio.h>
-main()
-{
-  struct stat sb;
-  char *x,*ttyname();
-  int om, m;
-  FILE *fp;
-
-  if (!(x = ttyname(0))) exit(1);
-  if (stat(x, &sb)) exit(1);
-  om = sb.st_mode;
-  if (om & 002) exit(0);
-  m = system("mesg y");
-  if (m == -1 || m == 127) exit(1);
-  if (stat(x, &sb)) exit(1);
-  m = sb.st_mode;
-  if (chmod(x, om)) exit(1);
-  if (m & 002) exit(0);
-  if (sb.st_gid == getgid()) exit(1);
-  if (!(fp=fopen("conftest_grp", "w")))
-    exit(1);
-  fprintf(fp, "%d\n", sb.st_gid);
-  fclose(fp);
-  exit(0);
-}
-    ]])],[
-      if test -f conftest_grp; then
-	vim_cv_tty_group=`cat conftest_grp`
-	if test "x$vim_cv_tty_mode" = "x" ; then
-	  vim_cv_tty_mode=0620
-	fi
-	AC_MSG_RESULT([pty mode: $vim_cv_tty_mode, group: $vim_cv_tty_group])
-      else
-	vim_cv_tty_group=world
-	AC_MSG_RESULT([ptys are world accessible])
-      fi
-    ],[
-      vim_cv_tty_group=world
-      AC_MSG_RESULT([can't determine - assume ptys are world accessible])
-    ],[
-      AC_MSG_ERROR(cross-compiling: please set 'vim_cv_tty_group' and 'vim_cv_tty_mode')
-    ])
-  ])
-rm -f conftest_grp
-
-if test "x$vim_cv_tty_group" != "xworld" ; then
-  AC_DEFINE_UNQUOTED(PTYGROUP,$vim_cv_tty_group)
-  if test "x$vim_cv_tty_mode" = "x" ; then
-    AC_MSG_ERROR([It seems you're cross compiling and have 'vim_cv_tty_group' set, please also set the environment variable 'vim_cv_tty_mode' to the correct mode (probably 0620)])
-  else
-    AC_DEFINE(PTYMODE, 0620)
-  fi
-fi
-
 dnl Checks for library functions. ===================================
 
 AC_TYPE_SIGNAL
diff --git a/src/version.c b/src/version.c
index eb88916..02f7b6e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    680,
+/**/
     679,
 /**/
     678,