--- rxvt-unicode/src/feature.h	2008/02/17 15:03:30	1.59
+++ rxvt-unicode/src/feature.h	2014/05/22 18:54:32	1.64
@@ -7,7 +7,7 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation; either version 3 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
@@ -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---------------------*/
 
 /*
@@ -238,14 +223,13 @@
 #define SHADOW_WIDTH 1
 
 /*
- * When using Rxvt scrollbar, clicking above or below the slider will move
- * 1/4 of the screen height, if possible.  Setting RXVT_SCROLL_FULL will move
- * it one screen height less one line, if possible
+ * clicking above or below the scrollbar slider (all styles minus
+ * xterm) will scroll by (height - 1) rather than (height / 4).
  */
 #define RXVT_SCROLL_FULL 1
 
 /*
- * (Hops) draw an internal border line on inside edge of the scrollbar
+ * (Hops) draw an internal border line on inside edge of the rxvt scrollbar
  */
 /* #define SB_BORDER */
 
@@ -272,8 +256,8 @@
 /* #define ESCZ_ANSWER	"\033[?1;2C" */
 
 /*
- * Allow foreground/background colour to be changed with an
- * xterm escape sequence "\E]39;colour^G"
+ * Allow foreground/background colour to be changed with xterm
+ * operating system commands.
  */
 #define XTERM_COLOR_CHANGE
 
@@ -300,7 +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.
  */
@@ -380,6 +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