Meta-s triggers save event with the new css-based keymap.

src/atom/editor.coffee

@@ -18,6 +18,7 @@ class Editor extends Template
       @aceSessions = {}
       @buildAceEditor()
       @setBuffer(new Buffer)
+      @on 'save', => @save()
 
     shutdown: ->
       @destroy()

src/atom/root-view.coffee

@@ -23,9 +23,9 @@ class RootView extends Template
     initialize: ({url}) ->
       @globalKeymap = new GlobalKeymap
       @globalKeymap.bindKeys '*'
-        'meta+s': 'save'
-        'meta+w': 'close'
-        'meta+t': 'find-files'
+        'meta-s': 'save'
+        'meta-w': 'close'
+        'meta-t': 'find-files'
 
       @editor.keyEventHandler = @globalKeymap
 

src/atom/window.coffee

@@ -25,7 +25,8 @@ windowAdditions =
     $(window).unbind('blur')
 
   bindMenuItems: ->
-    @bindMenuItem "File > Save", "meta+s", => @rootView.editor.save()
+    # we want to integrate this better with keybindings
+    # @bindMenuItem "File > Save", "meta+s", => @rootView.editor.save()
 
   bindMenuItem: (path, pattern, action) ->
     @menuItemActions[path] = {action: action, pattern: pattern}