diff --git a/spec/app/display-buffer-spec.coffee b/spec/app/display-buffer-spec.coffee
index 4e87832b4..3146f6af0 100644
--- a/spec/app/display-buffer-spec.coffee
+++ b/spec/app/display-buffer-spec.coffee
@@ -580,10 +580,33 @@ describe "DisplayBuffer", ->
     it "returns the length of the longest screen line", ->
       expect(displayBuffer.maxLineLength()).toBe 65
 
-  describe "markers", ->
-    it "allows markers to be worked with in terms of both screen and buffer coordinates", ->
-      displayBuffer.foldBufferRow(4)
-      marker1 = displayBuffer.markScreenRange([[5, 4], [5, 10]])
-      marker2 = displayBuffer.markBufferRange([[8, 4], [8, 10]])
-      expect(displayBuffer.getMarkerBufferRange(marker1)).toEqual [[8, 4], [8, 10]]
-      expect(displayBuffer.getMarkerScreenRange(marker2)).toEqual [[5, 4], [5, 10]]
+  fdescribe "markers", ->
+    describe "creation and manipulation", ->
+      beforeEach ->
+        displayBuffer.foldBufferRow(4)
+
+      it "allows markers to be created in terms of both screen and buffer coordinates", ->
+        marker1 = displayBuffer.markScreenRange([[5, 4], [5, 10]])
+        marker2 = displayBuffer.markBufferRange([[8, 4], [8, 10]])
+        expect(displayBuffer.getMarkerBufferRange(marker1)).toEqual [[8, 4], [8, 10]]
+        expect(displayBuffer.getMarkerScreenRange(marker2)).toEqual [[5, 4], [5, 10]]
+
+      it "allows marker head and tail positions to be manipulated in both screen and buffer coordinates", ->
+        marker = displayBuffer.markScreenRange([[5, 4], [5, 10]])
+        displayBuffer.setMarkerHeadScreenPosition(marker, [5, 4])
+        displayBuffer.setMarkerTailBufferPosition(marker, [5, 4])
+        expect(displayBuffer.isMarkerReversed(marker)).toBeFalsy()
+        expect(displayBuffer.getMarkerBufferRange(marker)).toEqual [[5, 4], [8, 4]]
+
+        displayBuffer.setMarkerHeadBufferPosition(marker, [5, 4])
+        displayBuffer.setMarkerTailScreenPosition(marker, [5, 4])
+        expect(displayBuffer.isMarkerReversed(marker)).toBeTruthy()
+        expect(displayBuffer.getMarkerBufferRange(marker)).toEqual [[5, 4], [8, 4]]
+
+
+
+
+
+
+
+
diff --git a/src/app/display-buffer.coffee b/src/app/display-buffer.coffee
index d519250e7..3d9e1f6a6 100644
--- a/src/app/display-buffer.coffee
+++ b/src/app/display-buffer.coffee
@@ -296,12 +296,51 @@ class DisplayBuffer
   markBufferRange: (bufferRange) ->
     @buffer.markRange(bufferRange)
 
+  markScreenPosition: (screenPosition) ->
+    @markBufferPosition(@bufferPositionForScreenPosition(screenPosition))
+
+  markBufferPosition: (bufferPosition) ->
+    @buffer.markPosition(bufferPosition)
+
   getMarkerScreenRange: (id) ->
     @screenRangeForBufferRange(@getMarkerBufferRange(id))
 
   getMarkerBufferRange: (id) ->
     @buffer.getMarkerRange(id)
 
+  getMarkerScreenPosition: (id) ->
+    @getMarkerHeadScreenPosition(id)
+
+  getMarkerBufferPosition: (id) ->
+    @getMarkerHeadBufferPosition(id)
+
+  getMarkerHeadScreenPosition: (id) ->
+    @screenPositionForBufferPosition(@getMarkerHeadBufferPosition(id))
+
+  setMarkerHeadScreenPosition: (id, screenPosition, options) ->
+    @setMarkerHeadBufferPosition(id, @bufferPositionForScreenPosition(screenPosition, options))
+
+  getMarkerHeadBufferPosition: (id) ->
+    @buffer.getMarkerHeadPosition(id)
+
+  setMarkerHeadBufferPosition: (id, bufferPosition) ->
+    @buffer.setMarkerHeadPosition(id, bufferPosition)
+
+  getMarkerTailScreenPosition: (id) ->
+    @screenPositionForBufferPosition(@getMarkerTailBufferPosition(id))
+
+  setMarkerTailScreenPosition: (id, screenPosition, options) ->
+    @setMarkerTailBufferPosition(id, @bufferPositionForScreenPosition(screenPosition, options))
+
+  getMarkerTailBufferPosition: (id) ->
+    @buffer.getMarkerTailPosition(id)
+
+  setMarkerTailBufferPosition: (id, bufferPosition) ->
+    @buffer.setMarkerTailPosition(id, bufferPosition)
+
+  isMarkerReversed: (id) ->
+    @buffer.isMarkerReversed(id)
+
   destroy: ->
     @tokenizedBuffer.destroy()