--- rxvt-unicode/src/feature.h	2008/02/17 15:41:43	1.60
+++ rxvt-unicode/src/feature.h	2012/11/30 07:02:12	1.63
@@ -34,21 +34,6 @@
 # define XAPPLOADDIRLOCALE	X11LIBDIR "/%s/app-defaults"
 #endif
 
-/*-------------------------------SECURITY-------------------------------*/
-
-/*
- * Default mode to restore when releasing the PTS device. It is relaxed to be
- * compatible with most systems, change it to a more secure value if your
- * system supports it (0640 for example).
- */
-#define RESTORE_TTY_MODE 0666
-
-/*
- * Define if you want to use a separate process for pty/tty handling
- * when running setuid/setgid. You need this when making it setuid/setgid.
- */
-#define PTYTTY_HELPER 1
-
 /*-----------------------SCREEN OPTIONS AND COLOURS---------------------*/
 
 /*
@@ -299,7 +284,7 @@
  * performance by working around the linux kernel tty ratelimit bug.
  * Unfortunately, it seems screen is negatively affected by this on some
  * machines, so it is disabled by default. Use freebsd or any other kernel
- * that doesn't suffer form this bug and it will be fast either way.
+ * that doesn't suffer from this bug and it will be fast either way.
  *
  * See command.C for details.
  */
@@ -379,6 +364,11 @@
 #define LINESPACE	0
 
 /*
+ * Default number of extra dots between columns
+ */
+#define LETTERSPACE	0
+
+/*
  * Default number of lines in the scrollback buffer
  */
 #define SAVELINES	1000