Fix Ctrl key regression

Fix Ctrl-h, Ctrl-@ and Ctrl-o regression.  Also remove all key bindings
involving arrays from KeyBinding.dict.

src/MacVim/KeyBinding.plist

@@ -150,11 +150,11 @@
 	<string>centerSelectionInVisibleArea:</string>
 	<key>^n</key>
 	<string>moveDown:</string>
-	<key>^o</key>
+        <!-- <key>^o</key>
 	<array>
 		<string>insertNewlineIgnoringFieldEditor:</string>
 		<string>moveBackward:</string>
-	</array>
+        </array> -->
 	<key>^p</key>
 	<string>moveUp:</string>
 	<key>^t</key>
@@ -370,7 +370,7 @@
 	<string>moveToBeginningOfLineAndModifySelection:</string>
 	<key>^$</key>
 	<string>moveToEndOfLineAndModifySelection:</string>
-	<key>~</key>
+        <!-- <key>~</key>
 	<array>
 		<string>moveBackward:</string>
 		<string>moveToBeginningOfParagraph:</string>
@@ -379,7 +379,7 @@
 	<array>
 		<string>moveForward:</string>
 		<string>moveToEndOfParagraph:</string>
-	</array>
+        </array> -->
 	<key>~</key>
 	<string>moveWordLeft:</string>
 	<key>~</key>

src/MacVim/MMBackend.m

@@ -1135,7 +1135,8 @@ - (oneway void)processInput:(int)msgid data:(in bycopy NSData *)data
         if (1 == len) {
             char_u *str = (char_u*)bytes;
             if ((str[0] == Ctrl_C && ctrl_c_interrupts) ||
-                    (str[0] == intr_char && intr_char != Ctrl_C)) {
+                    (str[0] == intr_char && intr_char != 0)) {
+                ASLogDebug(@"Got INT, str[0]=%#x", str[0]);
                 got_int = TRUE;
                 [inputQueue removeAllObjects];
                 return;

src/MacVim/MMTextViewHelper.m

@@ -251,7 +251,7 @@ - (void)doCommandBySelector:(SEL)sel
              @selector(deleteWordBackward:) == sel ||
              @selector(deleteBackwardByDecomposingPreviousCharacter:) == sel ||
              @selector(deleteToBeginningOfLine:) == sel)
-        [self doKeyDown:@"\x7f"];
+        [self doKeyDown:@"\x08"];
     else if (@selector(keySpace:) == sel)
         [self doKeyDown:@" "];
     else if (@selector(cancel:) == sel)
@@ -262,6 +262,8 @@ - (void)doCommandBySelector:(SEL)sel
 - (BOOL)performKeyEquivalent:(NSEvent *)event
 {
     ASLogDebug(@"");
+    if ([event type] != NSKeyDown)
+        return NO;
 
     // NOTE: Key equivalent handling was fixed in Leopard.  That is, an
     // unhandled key equivalent is passed to keyDown: -- contrast this with
@@ -294,9 +296,7 @@ - (BOOL)performKeyEquivalent:(NSEvent *)event
 
     // HACK! Pass the event on or it may disappear (Tiger does not pass Cmd-key
     // events to keyDown:).
-    if ([event type] == NSKeyDown)
-        [self keyDown:event];
-
+    [self keyDown:event];
     return YES;
 }