Cursor can move to last row when lines are wrapped

src/atom/cursor.coffee

@@ -60,11 +60,7 @@ class Cursor extends View
   moveDown: ->
     { row, column } = @getScreenPosition()
     column = @goalColumn if @goalColumn?
-    if row < @editor.buffer.numLines() - 1
-      @setScreenPosition({row: row + 1, column: column})
-    else
-      @moveToLineEnd()
-
+    @setScreenPosition({row: row + 1, column: column})
     @goalColumn = column
 
   moveToLineEnd: ->

src/atom/editor.coffee

@@ -141,6 +141,12 @@ class Editor extends View
   linesForScreenRows: (start, end) ->
     @lineWrapper.linesForScreenRows(start, end)
 
+  screenLineCount: ->
+    @lineWrapper.lineCount()
+
+  lastScreenRow: ->
+    @screenLineCount() - 1
+
   setBuffer: (@buffer) ->
     @highlighter = new Highlighter(@buffer)
     @lineFolder = new LineFolder(@highlighter)