diff --git a/doc/fixes35.0 b/doc/fixes35.0
index 2d3b8c7ad..46b87d58f 100644
--- a/doc/fixes35.0
+++ b/doc/fixes35.0
@@ -893,6 +893,7 @@ boomerang makes noise when hitting a sink
 non-pet rust monsters would eat rust-proofed non-digestibles but ignore
 	those non-digestibles otherwise
 kicking a grave may topple the gravestone
+allow showing legal jumping positions when asked for location to jump to
 
 
 Platform- and/or Interface-Specific Fixes
diff --git a/src/apply.c b/src/apply.c
index 386365f49..65482c337 100644
--- a/src/apply.c
+++ b/src/apply.c
@@ -20,6 +20,7 @@ STATIC_DCL void FDECL(use_candelabrum, (struct obj *));
 STATIC_DCL void FDECL(use_candle, (struct obj **));
 STATIC_DCL void FDECL(use_lamp, (struct obj *));
 STATIC_DCL void FDECL(light_cocktail, (struct obj *));
+STATIC_PTR void FDECL(display_jump_positions, (int));
 STATIC_DCL void FDECL(use_tinning_kit, (struct obj *));
 STATIC_DCL void FDECL(use_figurine, (struct obj **));
 STATIC_DCL void FDECL(use_grease, (struct obj *));
@@ -1361,6 +1362,53 @@ dojump()
 	return jump(0);
 }
 
+boolean
+is_valid_jump_pos(x,y, magic, showmsg)
+int x,y, magic;
+boolean showmsg;
+{
+    if (!magic && !(HJumping & ~INTRINSIC) && !EJumping &&
+	distu(x, y) != 5) {
+	/* The Knight jumping restriction still applies when riding a
+	 * horse.  After all, what shape is the knight piece in chess?
+	 */
+	if (showmsg) pline("Illegal move!");
+	return FALSE;
+    } else if (distu(x, y) > (magic ? 6+magic*3 : 9)) {
+	if (showmsg) pline("Too far!");
+	return FALSE;
+    } else if (!cansee(x, y)) {
+	if (showmsg) You("cannot see where to land!");
+	return FALSE;
+    } else if (!isok(x, y)) {
+	if (showmsg) You("cannot jump there!");
+	return FALSE;
+    }
+    return TRUE;
+}
+
+int jumping_is_magic;
+
+void
+display_jump_positions(state)
+int state;
+{
+    if (state == 0) {
+	tmp_at(DISP_BEAM, cmap_to_glyph(S_flashbeam));
+    } else if (state == 1) {
+	int x,y, dx, dy;
+	for (dx = -4; dx <= 4; dx++)
+	    for (dy = -4; dy <= 4; dy++) {
+		x = dx + (int)u.ux;
+		y = dy + (int)u.uy;
+		if (isok(x,y) && is_valid_jump_pos(x,y, jumping_is_magic, FALSE))
+		    tmp_at(x,y);
+	    }
+    } else {
+	tmp_at(DISP_END, 0);
+    }
+}
+
 int
 jump(magic)
 int magic; /* 0=Physical, otherwise skill level */
@@ -1440,24 +1488,12 @@ int magic; /* 0=Physical, otherwise skill level */
 	pline("Where do you want to jump?");
 	cc.x = u.ux;
 	cc.y = u.uy;
+	jumping_is_magic = magic;
+	getpos_sethilite(display_jump_positions);
 	if (getpos(&cc, TRUE, "the desired position") < 0)
 		return 0;	/* user pressed ESC */
-	if (!magic && !(HJumping & ~INTRINSIC) && !EJumping &&
-			distu(cc.x, cc.y) != 5) {
-		/* The Knight jumping restriction still applies when riding a
-		 * horse.  After all, what shape is the knight piece in chess?
-		 */
-		pline("Illegal move!");
-		return 0;
-	} else if (distu(cc.x, cc.y) > (magic ? 6+magic*3 : 9)) {
-		pline("Too far!");
-		return 0;
-	} else if (!cansee(cc.x, cc.y)) {
-		You("cannot see where to land!");
-		return 0;
-	} else if (!isok(cc.x, cc.y)) {
-		You("cannot jump there!");
-		return 0;
+	if (!is_valid_jump_pos(cc.x, cc.y, magic, TRUE)) {
+	    return 0;
 	} else {
 	    coord uc;
 	    int range, temp;
diff --git a/src/cmd.c b/src/cmd.c
index b028c57a3..3798a4fb0 100644
--- a/src/cmd.c
+++ b/src/cmd.c
@@ -510,12 +510,14 @@ enter_explore_mode(VOID_ARGS)
 	You("are already in explore mode.");
     } else {
 #ifdef SYSCF
+# if defined(UNIX)
 	if (!sysopt.explorers ||
 	    !sysopt.explorers[0] ||
 	    !check_user_string(sysopt.explorers)) {
 	    You("cannot access explore mode.");
 	    return 0;
 	}
+# endif
 #endif
 	pline(
 	 "Beware!  From explore mode there will be no return to normal game.");
diff --git a/sys/winnt/sysconf b/sys/winnt/sysconf
index 808546da8..67c0b814d 100644
--- a/sys/winnt/sysconf
+++ b/sys/winnt/sysconf
@@ -14,9 +14,6 @@ WIZARDS=*
 # Uses the same syntax as the WIZARDS option above.
 #SHELLERS=
 
-# Users allowed to use #exploremode. Same syntax as WIZARDS above.
-EXPLORERS=*
-
 # Show debugging information originating from these source files.
 # Use '*' for all, or list source files separated by spaces.
 # Only available if game has been compiled with DEBUG.
diff --git a/win/X11/winmenu.c b/win/X11/winmenu.c
index b28dc3361..6ab51fae9 100644
--- a/win/X11/winmenu.c
+++ b/win/X11/winmenu.c
@@ -1,4 +1,4 @@
-/* NetHack 3.5	winmenu.c	$NHDT-Date$  $NHDT-Branch$:$NHDT-Revision$ */
+/* NetHack 3.5	winmenu.c	$NHDT-Date: 1427881480 2015/04/01 09:44:40 $  $NHDT-Branch: master $:$NHDT-Revision: 1.5 $ */
 /* NetHack 3.5	winmenu.c	$Date: 2009/05/06 10:55:53 $  $Revision: 1.5 $ */
 /*	SCCS Id: @(#)winmenu.c	3.5	1996/08/15	*/
 /* Copyright (c) Dean Luick, 1992				  */
@@ -206,6 +206,7 @@ menu_key(w, event, params, num_params)
     struct xwindow *wp;
     char ch;
     int count;
+    boolean selected_something;
 
     wp = find_widget(w);
     menu_info = wp->menu_information;
@@ -218,6 +219,13 @@ menu_key(w, event, params, num_params)
     }
 
     if (menu_info->is_active) {		/* waiting for input */
+	/* first check for an explicit selector match, so that it won't be
+	   overridden if it happens to duplicate a mapped menu command (':'
+	   to look inside a container vs ':' to select via search string) */
+	for (curr = menu_info->curr_menu.base; curr; curr = curr->next)
+	    if (curr->identifier.a_void != 0 && curr->selector == ch)
+		goto make_selection;
+
 	ch = map_menu_cmd(ch);
 	if (ch == '\033') {		/* quit */
 	    if (menu_info->counting) {
@@ -294,7 +302,8 @@ menu_key(w, event, params, num_params)
 		X11_nhbell();
 	    return;
 	} else {
-	    boolean selected_something = FALSE;
+ make_selection:
+	    selected_something = FALSE;
 	    for (count = 0, curr = menu_info->curr_menu.base; curr;
 						    curr = curr->next, count++)
 		if (curr->identifier.a_void != 0 && curr->selector == ch) break;