Backspace in column 0 below a fold absorbs line into fold

src/app/edit-session.coffee

@@ -198,6 +198,9 @@ class EditSession
   destroyFoldsContainingBufferRow: (bufferRow) ->
     @renderer.destroyFoldsContainingBufferRow(bufferRow)
 
+  isFoldedAtScreenRow: (screenRow) ->
+    @screenLineForRow(screenRow).fold?
+
   toggleLineCommentsInRange: (range) ->
     @renderer.toggleLineCommentsInRange(range)
 

src/app/editor.coffee

@@ -341,7 +341,7 @@ class Editor extends View
     @screenLineCount() - 1
 
   isFoldedAtScreenRow: (screenRow) ->
-    @screenLineForRow(screenRow).fold?
+    @activeEditSession.isFoldedAtScreenRow(screenRow)
 
   destroyFoldsContainingBufferRow: (bufferRow) ->
     @renderer.destroyFoldsContainingBufferRow(bufferRow)

src/app/selection.coffee

@@ -86,6 +86,9 @@ class Selection
   selectToScreenPosition: (position) ->
     @modifySelection => @cursor.setScreenPosition(position)
 
+  selectToBufferPosition: (position) ->
+    @modifySelection => @cursor.setBufferPosition(position)
+
   selectRight: ->
     @modifySelection => @cursor.moveRight()
 
@@ -131,7 +134,13 @@ class Selection
 
   backspace: ->
     @editSession.destroyFoldsContainingBufferRow(@getBufferRange().end.row)
-    @selectLeft() if @isEmpty()
+
+    if @isEmpty()
+      if @editSession.isFoldedAtScreenRow(@cursor.getCurrentScreenRow() - 1)
+        @selectToBufferPosition([@cursor.getCurrentBufferRow() - 1, Infinity])
+      else
+        @selectLeft()
+
     @deleteSelectedText()
 
   backspaceToBeginningOfWord: ->