--- a/src/feature.h
+++ b/src/feature.h
@@ -1053,6 +1053,9 @@
 # ifdef FEAT_BIG
 #  define FEAT_MOUSE_DEC
 # endif
+# ifdef FEAT_BIG
+#  define FEAT_MOUSE_URXVT
+# endif
 # if defined(FEAT_NORMAL) && (defined(MSDOS) || defined(WIN3264))
 #  define DOS_MOUSE
 # endif
@@ -1068,13 +1071,23 @@
 #if defined(FEAT_NORMAL) && defined(HAVE_SYSMOUSE)
 # define FEAT_SYSMOUSE
 #endif
+
+/* urxvt is a small variation of mouse_xterm, and shares its code */
+#if defined(FEAT_MOUSE_URXVT) && !defined(FEAT_MOUSE_XTERM)
+# define FEAT_MOUSE_XTERM
+#endif
+
 /* Define FEAT_MOUSE when any of the above is defined or FEAT_GUI. */
 #if !defined(FEAT_MOUSE_TTY) \
 	&& (defined(FEAT_MOUSE_XTERM) \
-	    || defined(FEAT_MOUSE_NET) || defined(FEAT_MOUSE_DEC) \
-	    || defined(DOS_MOUSE) || defined(FEAT_MOUSE_GPM) \
-	    || defined(FEAT_MOUSE_JSB) || defined(FEAT_MOUSE_PTERM) \
-	    || defined(FEAT_SYSMOUSE))
+	    || defined(FEAT_MOUSE_NET) \
+	    || defined(FEAT_MOUSE_DEC) \
+	    || defined(DOS_MOUSE) \
+	    || defined(FEAT_MOUSE_GPM) \
+	    || defined(FEAT_MOUSE_JSB) \
+	    || defined(FEAT_MOUSE_PTERM) \
+	    || defined(FEAT_SYSMOUSE) \
+	    || defined(FEAT_MOUSE_URXVT))
 # define FEAT_MOUSE_TTY		/* include non-GUI mouse support */
 #endif
 #if !defined(FEAT_MOUSE) && (defined(FEAT_MOUSE_TTY) || defined(FEAT_GUI))

--- a/src/keymap.h
+++ b/src/keymap.h
@@ -92,13 +92,13 @@
  */
 #define KS_TEAROFF		244
 
-/* used for JSB term mouse */
+/* Used for JSB term mouse. */
 #define KS_JSBTERM_MOUSE	243
 
-/* used a termcap entry that produces a normal character */
+/* Used a termcap entry that produces a normal character. */
 #define KS_KEY			242
 
-/* Used for the qnx pterm mouse */
+/* Used for the qnx pterm mouse. */
 #define KS_PTERM_MOUSE		241
 
 /* Used for click in a tab pages label. */
@@ -107,6 +107,9 @@
 /* Used for menu in a tab pages line. */
 #define KS_TABMENU		239
 
+/* Used for the urxvt mouse. */
+#define KS_URXVT_MOUSE		238
+
 /*
  * Filler used after KS_SPECIAL and others
  */

--- a/src/option.h
+++ b/src/option.h
@@ -819,7 +819,7 @@ EXTERN long	p_ttyscroll;	/* 'ttyscroll' 
 EXTERN char_u	*p_ttym;	/* 'ttymouse' */
 EXTERN unsigned ttym_flags;
 # ifdef IN_OPTION_C
-static char *(p_ttym_values[]) = {"xterm", "xterm2", "dec", "netterm", "jsbterm", "pterm", NULL};
+static char *(p_ttym_values[]) = {"xterm", "xterm2", "dec", "netterm", "jsbterm", "pterm", "urxvt", NULL};
 # endif
 # define TTYM_XTERM		0x01
 # define TTYM_XTERM2		0x02
@@ -827,6 +827,7 @@ static char *(p_ttym_values[]) = {"xterm
 # define TTYM_NETTERM		0x08
 # define TTYM_JSBTERM		0x10
 # define TTYM_PTERM		0x20
+# define TTYM_URXVT		0x40
 #endif
 EXTERN char_u	*p_udir;	/* 'undodir' */
 EXTERN long	p_ul;		/* 'undolevels' */

--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -2158,10 +2158,13 @@ use_xterm_like_mouse(name)
  * Return non-zero when using an xterm mouse, according to 'ttymouse'.
  * Return 1 for "xterm".
  * Return 2 for "xterm2".
+ * Return 3 for "urxvt".
  */
     int
 use_xterm_mouse()
 {
+    if (ttym_flags == TTYM_URXVT)
+	return 3;
     if (ttym_flags == TTYM_XTERM2)
 	return 2;
     if (ttym_flags == TTYM_XTERM)
@@ -3318,6 +3321,17 @@ mch_setmouse(on)
 	return;
 
     xterm_mouse_vers = use_xterm_mouse();
+
+# ifdef FEAT_MOUSE_URXVT
+    if (ttym_flags == TTYM_URXVT) {
+	out_str_nf((char_u *)
+		   (on
+		   ? IF_EB("\033[?1015h", ESC_STR "[?1015h")
+		   : IF_EB("\033[?1015l", ESC_STR "[?1015l")));
+	ison = on;
+    }
+# endif
+
     if (xterm_mouse_vers > 0)
     {
 	if (on)	/* enable mouse events, use mouse tracking if available */
@@ -3434,6 +3448,9 @@ check_mouse_termcode()
 {
 # ifdef FEAT_MOUSE_XTERM
     if (use_xterm_mouse()
+# ifdef FEAT_MOUSE_URXVT
+	    && use_xterm_mouse() != 3
+# endif
 #  ifdef FEAT_GUI
 	    && !gui.in_use
 #  endif
@@ -3523,6 +3540,27 @@ check_mouse_termcode()
     else
 	del_mouse_termcode(KS_PTERM_MOUSE);
 # endif
+# ifdef FEAT_MOUSE_URXVT
+    /* same as the dec mouse */
+    if (use_xterm_mouse() == 3
+#  ifdef FEAT_GUI
+	    && !gui.in_use
+#  endif
+	    )
+    {
+	set_mouse_termcode(KS_URXVT_MOUSE, (char_u *)(term_is_8bit(T_NAME)
+		    ? IF_EB("\233", CSI_STR)
+		    : IF_EB("\033[", ESC_STR "[")));
+
+	if (*p_mouse != NUL)
+	{
+	    mch_setmouse(FALSE);
+	    setmouse();
+	}
+    }
+    else
+	del_mouse_termcode(KS_URXVT_MOUSE);
+# endif
 }
 #endif
 

--- a/src/version.c
+++ b/src/version.c
@@ -379,6 +379,11 @@ static char *(features[]) =
 # else
 	"-mouse_xterm",
 # endif
+# ifdef FEAT_MOUSE_URXVT
+	"+mouse_urxvt",
+# else
+	"-mouse_urxvt",
+# endif
 #endif
 #ifdef __QNX__
 # ifdef FEAT_MOUSE_PTERM
@@ -710,6 +715,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    343,
+/**/
     342,
 /**/
     341,