Add Help key (AKA "Insert" in Windows Virtual Machine?) #28

Add `Clear` key

PowerKey/PKPreferencesController.m

@@ -107,18 +107,24 @@ - (NSMenuItem *)powerKeyReplacementMenuItemWithTitle:(NSString *)title keyCode:(
 - (NSMenu *)powerKeyReplacementsMenu {
     NSMenu *powerKeyReplacements = [[NSMenu alloc] initWithTitle:@"Power Key Replacements"];
 
-    // User can select one of the following power key replacements.
+    // Select one of the following Power key replacements.
     [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"Delete" keyCode:kVK_ForwardDelete keyEquivalent:@"⌦"]];
     [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"No Action" keyCode:kPowerKeyDeadKeyTag keyEquivalent:@""]];
     [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"Delete (backspace)" keyCode:kVK_Delete keyEquivalent:@"⌫"]];
+
     [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"Page Up" keyCode:kVK_PageUp keyEquivalent:@"⇞"]];
     [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"Page Down" keyCode:kVK_PageDown keyEquivalent:@"⇟"]];
     [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"Home" keyCode:kVK_Home keyEquivalent:@"↖︎"]];
     [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"End" keyCode:kVK_End keyEquivalent:@"↘︎"]];
+
+    [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"Help" keyCode:kVK_Help keyEquivalent:@""]];
+    [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"Clear" keyCode:kVK_ANSI_KeypadClear keyEquivalent:@""]];
+
     [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"Escape" keyCode:kVK_Escape keyEquivalent:@"⎋"]];
     [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"Tab" keyCode:kVK_Tab keyEquivalent:@"⇥"]];
     [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"Return" keyCode:kVK_Return keyEquivalent:@"↩"]];
     [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"F13" keyCode:kVK_F13 keyEquivalent:@""]];
+
     [powerKeyReplacements addItem:[self powerKeyReplacementMenuItemWithTitle:@"Script" keyCode:kPowerKeyScriptTag keyEquivalent:@""]];
 
     return powerKeyReplacements;