diff --git a/spec/display-buffer-spec.coffee b/spec/display-buffer-spec.coffee
index 8d9673ceb..d21b58536 100644
--- a/spec/display-buffer-spec.coffee
+++ b/spec/display-buffer-spec.coffee
@@ -82,7 +82,7 @@ describe "DisplayBuffer", ->
 
         describe "when there is no whitespace before the boundary", ->
           it "wraps the line exactly at the boundary since there's no more graceful place to wrap it", ->
-            buffer.change([[0, 0], [1, 0]], 'abcdefghijklmnopqrstuvwxyz\n')
+            buffer.setTextInRange([[0, 0], [1, 0]], 'abcdefghijklmnopqrstuvwxyz\n')
             displayBuffer.setEditorWidthInChars(10)
             expect(displayBuffer.lineForRow(0).text).toBe 'abcdefghij'
             expect(displayBuffer.lineForRow(1).text).toBe 'klmnopqrst'
@@ -142,7 +142,7 @@ describe "DisplayBuffer", ->
 
       describe "when buffer lines are removed", ->
         it "removes lines and emits a change event", ->
-          buffer.change([[3, 21], [7, 5]], ';')
+          buffer.setTextInRange([[3, 21], [7, 5]], ';')
           expect(displayBuffer.lineForRow(3).text).toBe '    var pivot = items;'
           expect(displayBuffer.lineForRow(4).text).toBe '    return '
           expect(displayBuffer.lineForRow(5).text).toBe 'sort(left).concat(pivot).concat(sort(right));'
@@ -330,7 +330,7 @@ describe "DisplayBuffer", ->
 
       describe "when the old range surrounds a fold", ->
         beforeEach ->
-          buffer.change([[1, 0], [5, 1]], 'party!')
+          buffer.setTextInRange([[1, 0], [5, 1]], 'party!')
 
         it "removes the fold and replaces the selection with the new text", ->
           expect(displayBuffer.lineForRow(0).text).toBe "0"
@@ -352,7 +352,7 @@ describe "DisplayBuffer", ->
           displayBuffer.createFold(2, 9)
           changeHandler.reset()
 
-          buffer.change([[1, 0], [10, 0]], 'goodbye')
+          buffer.setTextInRange([[1, 0], [10, 0]], 'goodbye')
 
           expect(displayBuffer.lineForRow(0).text).toBe "0"
           expect(displayBuffer.lineForRow(1).text).toBe "goodbye10"
@@ -371,7 +371,7 @@ describe "DisplayBuffer", ->
       describe "when the old range precedes lines with a fold", ->
         describe "when the new range precedes lines with a fold", ->
           it "updates the buffer and re-positions subsequent folds", ->
-            buffer.change([[0, 0], [1, 1]], 'abc')
+            buffer.setTextInRange([[0, 0], [1, 1]], 'abc')
 
             expect(displayBuffer.lineForRow(0).text).toBe "abc"
             expect(displayBuffer.lineForRow(1).fold).toBe fold1
@@ -394,7 +394,7 @@ describe "DisplayBuffer", ->
 
       describe "when the old range straddles the beginning of a fold", ->
         it "destroys the fold", ->
-          buffer.change([[1, 1], [3, 0]], "a\nb\nc\nd\n")
+          buffer.setTextInRange([[1, 1], [3, 0]], "a\nb\nc\nd\n")
           expect(displayBuffer.lineForRow(1).text).toBe '1a'
           expect(displayBuffer.lineForRow(2).text).toBe 'b'
           expect(displayBuffer.lineForRow(2).fold).toBeUndefined()
@@ -402,7 +402,7 @@ describe "DisplayBuffer", ->
 
       describe "when the old range follows a fold", ->
         it "re-positions the screen ranges for the change event based on the preceding fold", ->
-          buffer.change([[10, 0], [11, 0]], 'abc')
+          buffer.setTextInRange([[10, 0], [11, 0]], 'abc')
 
           expect(displayBuffer.lineForRow(1).text).toBe "1"
           expect(displayBuffer.lineForRow(2).fold).toBe fold1
@@ -430,7 +430,7 @@ describe "DisplayBuffer", ->
 
         describe "when the end of the new range exceeds the end of the fold", ->
           it "expands the fold to contain all the inserted lines", ->
-            buffer.change([[3, 0], [4, 0]], 'a\nb\nc\nd\n')
+            buffer.setTextInRange([[3, 0], [4, 0]], 'a\nb\nc\nd\n')
             expect(fold1.getStartRow()).toBe 2
             expect(fold1.getEndRow()).toBe 7
 
@@ -447,7 +447,7 @@ describe "DisplayBuffer", ->
         describe "when the end of the new range precedes the end of the fold", ->
           it "destroys the fold", ->
             fold2.destroy()
-            buffer.change([[3, 0], [6, 0]], 'a\n')
+            buffer.setTextInRange([[3, 0], [6, 0]], 'a\n')
             expect(displayBuffer.lineForRow(2).text).toBe '2'
             expect(displayBuffer.lineForRow(2).fold).toBeUndefined()
             expect(displayBuffer.lineForRow(3).text).toBe 'a'
@@ -831,7 +831,7 @@ describe "DisplayBuffer", ->
           expect(marker.getTailScreenPosition()).toEqual [5, 7]
           expect(marker2.isValid()).toBeFalsy()
 
-        buffer.change([[8, 0], [8, 2]], ".....")
+        buffer.setTextInRange([[8, 0], [8, 2]], ".....")
         expect(changeHandler).toHaveBeenCalled()
         expect(markerChangedHandler).toHaveBeenCalled()
         expect(marker2ChangedHandler).toHaveBeenCalled()
diff --git a/spec/editor-view-spec.coffee b/spec/editor-view-spec.coffee
index 615c17d68..9880e0d2c 100644
--- a/spec/editor-view-spec.coffee
+++ b/spec/editor-view-spec.coffee
@@ -1385,7 +1385,7 @@ describe "EditorView", ->
           expect(editorView.renderedLines.find(".line:first").text()).toBe buffer.lineForRow(6)
           expect(editorView.renderedLines.find(".line:last").text()).toBe buffer.lineForRow(12)
 
-          buffer.change([[1,0], [3,0]], "1\n2\n3\n")
+          buffer.setTextInRange([[1,0], [3,0]], "1\n2\n3\n")
           expect(editorView.renderedLines.find(".line").length).toBe 7
           expect(editorView.renderedLines.find(".line:first").text()).toBe buffer.lineForRow(6)
           expect(editorView.renderedLines.find(".line:last").text()).toBe buffer.lineForRow(12)
@@ -1398,21 +1398,21 @@ describe "EditorView", ->
           expect(editorView.renderedLines.find(".line:first").text()).toBe buffer.lineForRow(6)
           expect(editorView.renderedLines.find(".line:last").text()).toBe buffer.lineForRow(12)
 
-          buffer.change([[2,0], [7,0]], "2\n3\n4\n5\n6\n7\n8\n9\n")
+          buffer.setTextInRange([[2,0], [7,0]], "2\n3\n4\n5\n6\n7\n8\n9\n")
           expect(editorView.renderedLines.find(".line").length).toBe 7
           expect(editorView.renderedLines.find(".line:first").text()).toBe buffer.lineForRow(6)
           expect(editorView.renderedLines.find(".line:last").text()).toBe buffer.lineForRow(12)
 
       describe "when the change straddles the last rendered row", ->
         it "doesn't render rows that were not previously rendered", ->
-          buffer.change([[2,0], [7,0]], "2\n3\n4\n5\n6\n7\n8\n")
+          buffer.setTextInRange([[2,0], [7,0]], "2\n3\n4\n5\n6\n7\n8\n")
           expect(editorView.renderedLines.find(".line").length).toBe 7
           expect(editorView.renderedLines.find(".line:first").text()).toBe buffer.lineForRow(0)
           expect(editorView.renderedLines.find(".line:last").text()).toBe buffer.lineForRow(6)
 
       describe "when the change the follows the last rendered row", ->
         it "does not change the rendered lines", ->
-          buffer.change([[12,0], [12,0]], "12\n13\n14\n")
+          buffer.setTextInRange([[12,0], [12,0]], "12\n13\n14\n")
           expect(editorView.renderedLines.find(".line").length).toBe 7
           expect(editorView.renderedLines.find(".line:first").text()).toBe buffer.lineForRow(0)
           expect(editorView.renderedLines.find(".line:last").text()).toBe buffer.lineForRow(6)
@@ -1422,7 +1422,7 @@ describe "EditorView", ->
         setEditorWidthInChars(editorView, maxLineLength)
         widthBefore = editorView.renderedLines.width()
         expect(widthBefore).toBe editorView.scrollView.width() + 20
-        buffer.change([[12,0], [12,0]], [1..maxLineLength*2].join(''))
+        buffer.setTextInRange([[12,0], [12,0]], [1..maxLineLength*2].join(''))
         expect(editorView.renderedLines.width()).toBeGreaterThan widthBefore
 
     describe "when lines are removed", ->
@@ -1432,7 +1432,7 @@ describe "EditorView", ->
       it "sets the rendered screen line's width to either the max line length or the scollView's width (whichever is greater)", ->
         maxLineLength = editor.getMaxScreenLineLength()
         setEditorWidthInChars(editorView, maxLineLength)
-        buffer.change([[12,0], [12,0]], [1..maxLineLength*2].join(''))
+        buffer.setTextInRange([[12,0], [12,0]], [1..maxLineLength*2].join(''))
         expect(editorView.renderedLines.width()).toBeGreaterThan editorView.scrollView.width()
         widthBefore = editorView.renderedLines.width()
         buffer.delete([[12, 0], [12, Infinity]])
@@ -1445,7 +1445,7 @@ describe "EditorView", ->
           expect(editorView.renderedLines.find(".line:first").text()).toBe buffer.lineForRow(6)
           expect(editorView.renderedLines.find(".line:last").text()).toBe buffer.lineForRow(12)
 
-          buffer.change([[1,0], [2,0]], "")
+          buffer.setTextInRange([[1,0], [2,0]], "")
           expect(editorView.renderedLines.find(".line").length).toBe 6
           expect(editorView.renderedLines.find(".line:first").text()).toBe buffer.lineForRow(6)
           expect(editorView.renderedLines.find(".line:last").text()).toBe buffer.lineForRow(11)
@@ -1457,21 +1457,21 @@ describe "EditorView", ->
           expect(editorView.renderedLines.find(".line:first").text()).toBe buffer.lineForRow(6)
           expect(editorView.renderedLines.find(".line:last").text()).toBe buffer.lineForRow(12)
 
-          buffer.change([[7,0], [11,0]], "1\n2\n")
+          buffer.setTextInRange([[7,0], [11,0]], "1\n2\n")
           expect(editorView.renderedLines.find(".line").length).toBe 5
           expect(editorView.renderedLines.find(".line:first").text()).toBe buffer.lineForRow(6)
           expect(editorView.renderedLines.find(".line:last").text()).toBe buffer.lineForRow(10)
 
       describe "when the change straddles the last rendered row", ->
         it "renders the correct rows", ->
-          buffer.change([[2,0], [7,0]], "")
+          buffer.setTextInRange([[2,0], [7,0]], "")
           expect(editorView.renderedLines.find(".line").length).toBe 7
           expect(editorView.renderedLines.find(".line:first").text()).toBe buffer.lineForRow(0)
           expect(editorView.renderedLines.find(".line:last").text()).toBe buffer.lineForRow(6)
 
       describe "when the change the follows the last rendered row", ->
         it "does not change the rendered lines", ->
-          buffer.change([[10,0], [12,0]], "")
+          buffer.setTextInRange([[10,0], [12,0]], "")
           expect(editorView.renderedLines.find(".line").length).toBe 7
           expect(editorView.renderedLines.find(".line:first").text()).toBe buffer.lineForRow(0)
           expect(editorView.renderedLines.find(".line:last").text()).toBe buffer.lineForRow(6)
diff --git a/spec/language-mode-spec.coffee b/spec/language-mode-spec.coffee
index 4899663b8..16798c26f 100644
--- a/spec/language-mode-spec.coffee
+++ b/spec/language-mode-spec.coffee
@@ -188,17 +188,17 @@ describe "LanguageMode", ->
         expect(buffer.lineForRow(3)).toBe "  font-weight: bold !important;"
 
       it "uncomments lines with leading whitespace", ->
-        buffer.change([[2, 0], [2, Infinity]], "  /*width: 110%;*/")
+        buffer.setTextInRange([[2, 0], [2, Infinity]], "  /*width: 110%;*/")
         languageMode.toggleLineCommentsForBufferRows(2, 2)
         expect(buffer.lineForRow(2)).toBe "  width: 110%;"
 
       it "uncomments lines with trailing whitespace", ->
-        buffer.change([[2, 0], [2, Infinity]], "/*width: 110%;*/  ")
+        buffer.setTextInRange([[2, 0], [2, Infinity]], "/*width: 110%;*/  ")
         languageMode.toggleLineCommentsForBufferRows(2, 2)
         expect(buffer.lineForRow(2)).toBe "width: 110%;  "
 
       it "uncomments lines with leading and trailing whitespace", ->
-        buffer.change([[2, 0], [2, Infinity]], "   /*width: 110%;*/ ")
+        buffer.setTextInRange([[2, 0], [2, Infinity]], "   /*width: 110%;*/ ")
         languageMode.toggleLineCommentsForBufferRows(2, 2)
         expect(buffer.lineForRow(2)).toBe "   width: 110%; "
 
diff --git a/spec/project-spec.coffee b/spec/project-spec.coffee
index 0abd31d05..ead84fe75 100644
--- a/spec/project-spec.coffee
+++ b/spec/project-spec.coffee
@@ -270,7 +270,7 @@ describe "Project", ->
 
       it "does NOT save when modified", ->
         editor = atom.project.openSync('sample.js')
-        editor.buffer.change([[0,0],[0,0]], 'omg')
+        editor.buffer.setTextInRange([[0,0],[0,0]], 'omg')
         expect(editor.isModified()).toBeTruthy()
 
         results = []
diff --git a/spec/tokenized-buffer-spec.coffee b/spec/tokenized-buffer-spec.coffee
index 8fc8fa90a..f45dfa8d5 100644
--- a/spec/tokenized-buffer-spec.coffee
+++ b/spec/tokenized-buffer-spec.coffee
@@ -119,7 +119,7 @@ describe "TokenizedBuffer", ->
 
       describe "when there is a buffer change surrounding an invalid row", ->
         it "pushes the invalid row to the end of the change", ->
-          buffer.change([[4, 0], [6, 0]], "\n\n\n")
+          buffer.setTextInRange([[4, 0], [6, 0]], "\n\n\n")
           changeHandler.reset()
 
           expect(tokenizedBuffer.firstInvalidRow()).toBe 8
@@ -128,7 +128,7 @@ describe "TokenizedBuffer", ->
       describe "when there is a buffer change inside an invalid region", ->
         it "does not attempt to tokenize the lines in the change, and preserves the existing invalid row", ->
           expect(tokenizedBuffer.firstInvalidRow()).toBe 5
-          buffer.change([[6, 0], [7, 0]], "\n\n\n")
+          buffer.setTextInRange([[6, 0], [7, 0]], "\n\n\n")
 
           expect(tokenizedBuffer.lineForScreenRow(6).ruleStack?).toBeFalsy()
           expect(tokenizedBuffer.lineForScreenRow(7).ruleStack?).toBeFalsy()
@@ -143,7 +143,7 @@ describe "TokenizedBuffer", ->
       describe "when there is a buffer change that is smaller than the chunk size", ->
         describe "when lines are updated, but none are added or removed", ->
           it "updates tokens to reflect the change", ->
-            buffer.change([[0, 0], [2, 0]], "foo()\n7\n")
+            buffer.setTextInRange([[0, 0], [2, 0]], "foo()\n7\n")
 
             expect(tokenizedBuffer.lineForScreenRow(0).tokens[1]).toEqual(value: '(', scopes: ['source.js', 'meta.brace.round.js'])
             expect(tokenizedBuffer.lineForScreenRow(1).tokens[0]).toEqual(value: '7', scopes: ['source.js', 'constant.numeric.js'])
@@ -185,7 +185,7 @@ describe "TokenizedBuffer", ->
 
         describe "when lines are both updated and removed", ->
           it "updates tokens to reflect the change", ->
-            buffer.change([[1, 0], [3, 0]], "foo()")
+            buffer.setTextInRange([[1, 0], [3, 0]], "foo()")
 
             # previous line 0 remains
             expect(tokenizedBuffer.lineForScreenRow(0).tokens[0]).toEqual(value: 'var', scopes: ['source.js', 'storage.modifier.js'])
@@ -209,7 +209,7 @@ describe "TokenizedBuffer", ->
             buffer.insert([5, 30], '/* */')
             changeHandler.reset()
 
-            buffer.change([[2, 0], [3, 0]], '/*')
+            buffer.setTextInRange([[2, 0], [3, 0]], '/*')
             expect(tokenizedBuffer.lineForScreenRow(2).tokens[0].scopes).toEqual ['source.js', 'comment.block.js', 'punctuation.definition.comment.js']
             expect(tokenizedBuffer.lineForScreenRow(3).tokens[0].scopes).toEqual ['source.js']
             expect(changeHandler).toHaveBeenCalled()
@@ -228,7 +228,7 @@ describe "TokenizedBuffer", ->
 
         describe "when lines are both updated and inserted", ->
           it "updates tokens to reflect the change", ->
-            buffer.change([[1, 0], [2, 0]], "foo()\nbar()\nbaz()\nquux()")
+            buffer.setTextInRange([[1, 0], [2, 0]], "foo()\nbar()\nbaz()\nquux()")
 
             # previous line 0 remains
             expect(tokenizedBuffer.lineForScreenRow(0).tokens[0]).toEqual( value: 'var', scopes: ['source.js', 'storage.modifier.js'])
diff --git a/src/editor.coffee b/src/editor.coffee
index c5b83ef67..d9db05305 100644
--- a/src/editor.coffee
+++ b/src/editor.coffee
@@ -381,7 +381,7 @@ class Editor extends Model
     else
       endColumn = @lineForBufferRow(bufferRow).match(/^\s*/)[0].length
     newIndentString = @buildIndentString(newLevel)
-    @buffer.change([[bufferRow, 0], [bufferRow, endColumn]], newIndentString)
+    @buffer.setTextInRange([[bufferRow, 0], [bufferRow, endColumn]], newIndentString)
 
   # Public: Get the indentation level of the given line of text.
   #
@@ -456,8 +456,8 @@ class Editor extends Model
   # {Delegates to: TextBuffer.nextNonBlankRow}
   nextNonBlankBufferRow: (bufferRow) -> @buffer.nextNonBlankRow(bufferRow)
 
-  # {Delegates to: TextBuffer.getEofPosition}
-  getEofBufferPosition: -> @buffer.getEofPosition()
+  # {Delegates to: TextBuffer.getEndPosition}
+  getEofBufferPosition: -> @buffer.getEndPosition()
 
   # Public: Returns a {Number} representing the last zero-indexed buffer row
   # number of the editor.
@@ -1348,7 +1348,7 @@ class Editor extends Model
   # text - A {String}
   #
   # Returns the {Range} of the newly-inserted text.
-  setTextInBufferRange: (range, text) -> @getBuffer().change(range, text)
+  setTextInBufferRange: (range, text) -> @getBuffer().setTextInRange(range, text)
 
   # Public: Get the {Range} of the paragraph surrounding the most recently added
   # cursor.
diff --git a/src/language-mode.coffee b/src/language-mode.coffee
index 31b66f7bc..3f3193857 100644
--- a/src/language-mode.coffee
+++ b/src/language-mode.coffee
@@ -53,11 +53,11 @@ class LanguageMode
           buffer.transact ->
             columnStart = startMatch[1].length
             columnEnd = columnStart + startMatch[2].length
-            buffer.change([[start, columnStart], [start, columnEnd]], "")
+            buffer.setTextInRange([[start, columnStart], [start, columnEnd]], "")
 
             endLength = buffer.lineLengthForRow(end) - endMatch[2].length
             endColumn = endLength - endMatch[1].length
-            buffer.change([[end, endColumn], [end, endLength]], "")
+            buffer.setTextInRange([[end, endColumn], [end, endLength]], "")
       else
         buffer.transact ->
           buffer.insert([start, 0], commentStartString)
@@ -72,7 +72,7 @@ class LanguageMode
           if match = commentStartRegex.search(buffer.lineForRow(row))
             columnStart = match[1].length
             columnEnd = columnStart + match[2].length
-            buffer.change([[row, columnStart], [row, columnEnd]], "")
+            buffer.setTextInRange([[row, columnStart], [row, columnEnd]], "")
       else
         if start is end
           indent = @editor.indentationForBufferRow(start)
@@ -86,7 +86,7 @@ class LanguageMode
           if indentLength = line.match(indentRegex)?[0].length
             buffer.insert([row, indentLength], commentStartString)
           else
-            buffer.change([[row, 0], [row, indentString.length]], indentString + commentStartString)
+            buffer.setTextInRange([[row, 0], [row, indentString.length]], indentString + commentStartString)
 
   # Folds all the foldable lines in the buffer.
   foldAll: ->
diff --git a/src/selection.coffee b/src/selection.coffee
index c6673764b..2e262cc93 100644
--- a/src/selection.coffee
+++ b/src/selection.coffee
@@ -74,7 +74,7 @@ class Selection
   setBufferRange: (bufferRange, options={}) ->
     bufferRange = Range.fromObject(bufferRange)
     @needsAutoscroll = options.autoscroll
-    options.isReversed ?= @isReversed()
+    options.reversed ?= @isReversed()
     @editor.destroyFoldsIntersectingBufferRange(bufferRange) unless options.preserveFolds
     @modifySelection =>
       @cursor.needsAutoscroll = false if options.autoscroll?
@@ -293,7 +293,7 @@ class Selection
     if options.indentBasis? and not options.autoIndent
       text = @normalizeIndents(text, options.indentBasis)
 
-    newBufferRange = @editor.buffer.change(oldBufferRange, text, pick(options, 'undo'))
+    newBufferRange = @editor.buffer.setTextInRange(oldBufferRange, text, pick(options, 'undo'))
     if options.select
       @setBufferRange(newBufferRange, isReversed: wasReversed)
     else