Index: /home/dave/development/workspace/blender/source/blender/src/header_view3d.c
===================================================================
--- /home/dave/development/workspace/blender/source/blender/src/header_view3d.c	(revision 12210)
+++ /home/dave/development/workspace/blender/source/blender/src/header_view3d.c	(working copy)
@@ -164,9 +164,9 @@
 	if(event==-1 && (G.qual & LR_CTRLKEY)) {
 		G.vd->scenelock= !G.vd->scenelock;
 		do_view3d_buttons(B_SCENELOCK);
-	} else if (event==-1) {
+	} else if (event<0) {
 		if(G.vd->lay== (1<<20)-1) {
-			if(G.qual & LR_SHIFTKEY) G.vd->lay= oldlay;
+			if(event==-2 || G.qual & LR_SHIFTKEY) G.vd->lay= oldlay;
 		}
 		else {
 			oldlay= G.vd->lay;
@@ -597,6 +597,9 @@
 	case 19: /* zoom within border */
 		view3d_border_zoom();
 		break;
+	case 20:
+		do_layer_buttons(-2);
+		break;
 	}
 	allqueue(REDRAWVIEW3D, 1);
 }
@@ -631,6 +634,11 @@
 	
 	uiDefBut(block, SEPR, 0, "",					0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
 	
+	if(G.vd->lay== (1<<20)-1) uiDefIconTextBut(block, BUTM, 1, ICON_CHECKBOX_HLT, "View All Layers|Shift ~", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 20, "");
+	else uiDefIconTextBut(block, BUTM, 1, ICON_CHECKBOX_DEHLT, "View All Layers|Shift ~", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 20, "");
+	
+	uiDefBut(block, SEPR, 0, "",					0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
+	
 	if(G.vd->persp==1) uiDefIconTextBut(block, BUTM, 1, ICON_CHECKBOX_HLT, "Perspective|NumPad 5",	0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 5, "");
 	else uiDefIconTextBut(block, BUTM, 1, ICON_CHECKBOX_DEHLT, "Perspective|NumPad 5",	0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 5, "");
 	if(G.vd->persp==0) uiDefIconTextBut(block, BUTM, 1, ICON_CHECKBOX_HLT, "Orthographic|NumPad 5", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 6, "");
Index: /home/dave/development/workspace/blender/source/blender/src/toolbox.c
===================================================================
--- /home/dave/development/workspace/blender/source/blender/src/toolbox.c	(revision 12210)
+++ /home/dave/development/workspace/blender/source/blender/src/toolbox.c	(working copy)
@@ -128,8 +128,6 @@
 
 void asciitoraw(int ch, unsigned short *event, unsigned short *qual)
 {
-	if( isalpha(ch)==0 ) return;
-	
 	if( isupper(ch) ) {
 		*qual= LEFTSHIFTKEY;
 		ch= tolower(ch);
@@ -805,7 +803,10 @@
 		case 'd': key= PAGEDOWNKEY; break;
 		}
 	}
-	else asciitoraw(event, &key, &qual[3]);
+	else if (isalpha(event))
+		asciitoraw(event, &key, &qual[3]);
+	else if (event == '~')
+		key = ACCENTGRAVEKEY;
 
 	for (i=0;i<4;i++)
 	{
@@ -1212,6 +1213,8 @@
 {	0, "Ortho/Perspective|NumPad 5", 	TB_PAD|'5', NULL},
 {	0, "Local/Global View|NumPad /", 	TB_PAD|'/', NULL},
 {	0, "SEPR", 						0, NULL},
+{	0, "View All/Previous Layers|Shift ~",  TB_SHIFT|'~', NULL},
+{	0, "SEPR", 						0, NULL},
 {	0, "Align View", 			0, tb_view_alignview},
 {	0, "SEPR", 		0, NULL},
 {	0, "View Selected|NumPad .", 	TB_PAD|'.', NULL},