diff --git a/platform/core-impl/src/com/intellij/openapi/editor/ex/DisposableIterator.java b/platform/core-impl/src/com/intellij/openapi/editor/ex/MarkupIterator.java
similarity index 90%
rename from platform/core-impl/src/com/intellij/openapi/editor/ex/DisposableIterator.java
rename to platform/core-impl/src/com/intellij/openapi/editor/ex/MarkupIterator.java
index 8d93bddb8fe9..c900e6350be0 100644
--- a/platform/core-impl/src/com/intellij/openapi/editor/ex/DisposableIterator.java
+++ b/platform/core-impl/src/com/intellij/openapi/editor/ex/MarkupIterator.java
@@ -22,10 +22,10 @@ import java.util.NoSuchElementException;
 /**
  * An iterator you must to {@link #dispose()} after use
  */
-public interface DisposableIterator<T> extends PeekableIterator<T> {
+public interface MarkupIterator<T> extends PeekableIterator<T> {
   void dispose();
 
-  DisposableIterator EMPTY = new DisposableIterator() {
+  MarkupIterator EMPTY = new MarkupIterator() {
     @Override
     public void dispose() {
     }
diff --git a/platform/core-impl/src/com/intellij/openapi/editor/impl/DocumentImpl.java b/platform/core-impl/src/com/intellij/openapi/editor/impl/DocumentImpl.java
index 0aa46081b164..f1487c08e5d6 100644
--- a/platform/core-impl/src/com/intellij/openapi/editor/impl/DocumentImpl.java
+++ b/platform/core-impl/src/com/intellij/openapi/editor/impl/DocumentImpl.java
@@ -1047,7 +1047,7 @@ public class DocumentImpl extends UserDataHolderBase implements DocumentEx {
   @Override
   public boolean processRangeMarkersOverlappingWith(int start, int end, @NotNull Processor<RangeMarker> processor) {
     TextRangeInterval interval = new TextRangeInterval(start, end);
-    DisposableIterator<RangeMarkerEx> iterator = IntervalTreeImpl
+    MarkupIterator<RangeMarkerEx> iterator = IntervalTreeImpl
       .mergingOverlappingIterator(myRangeMarkers, interval, myPersistentRangeMarkers, interval, RangeMarker.BY_START_OFFSET);
     try {
       return ContainerUtil.process(iterator, processor);
diff --git a/platform/core-impl/src/com/intellij/openapi/editor/impl/IntervalTreeImpl.java b/platform/core-impl/src/com/intellij/openapi/editor/impl/IntervalTreeImpl.java
index 24481496ef06..3233e3359ea3 100644
--- a/platform/core-impl/src/com/intellij/openapi/editor/impl/IntervalTreeImpl.java
+++ b/platform/core-impl/src/com/intellij/openapi/editor/impl/IntervalTreeImpl.java
@@ -15,7 +15,7 @@
  */
 package com.intellij.openapi.editor.impl;
 
-import com.intellij.openapi.editor.ex.DisposableIterator;
+import com.intellij.openapi.editor.ex.MarkupIterator;
 import com.intellij.openapi.util.Getter;
 import com.intellij.util.IncorrectOperationException;
 import com.intellij.util.Processor;
@@ -564,7 +564,7 @@ abstract class IntervalTreeImpl<T extends MutableInterval> extends RedBlackTree<
   }
 
   @NotNull
-  private DisposableIterator<T> overlappingIterator(@NotNull final TextRangeInterval rangeInterval) {
+  private MarkupIterator<T> overlappingIterator(@NotNull final TextRangeInterval rangeInterval) {
     l.readLock().lock();
 
     try {
@@ -574,13 +574,13 @@ abstract class IntervalTreeImpl<T extends MutableInterval> extends RedBlackTree<
       if (firstOverlap == null) {
         l.readLock().unlock();
         //noinspection unchecked
-        return DisposableIterator.EMPTY;
+        return MarkupIterator.EMPTY;
       }
       final int firstOverlapDelta = firstOverlap.computeDeltaUpToRoot();
       final int firstOverlapStart = firstOverlap.intervalStart() + firstOverlapDelta;
       final int modCountBefore = modCount;
 
-      return new DisposableIterator<T>() {
+      return new MarkupIterator<T>() {
         private IntervalNode<T> currentNode = firstOverlap;
         private int deltaUpToRootExclusive = firstOverlapDelta-firstOverlap.delta;
         private int indexInCurrentList;
@@ -1365,21 +1365,21 @@ abstract class IntervalTreeImpl<T extends MutableInterval> extends RedBlackTree<
 
   // combines iterators for two trees in one using specified comparator
   @NotNull
-  static <T extends MutableInterval> DisposableIterator<T> mergingOverlappingIterator(@NotNull IntervalTreeImpl<T> tree1,
-                                                                                      @NotNull TextRangeInterval tree1Range,
-                                                                                      @NotNull IntervalTreeImpl<T> tree2,
-                                                                                      @NotNull TextRangeInterval tree2Range,
-                                                                                      @NotNull Comparator<? super T> comparator) {
-    DisposableIterator<T> exact = tree1.overlappingIterator(tree1Range);
-    DisposableIterator<T> lines = tree2.overlappingIterator(tree2Range);
+  static <T extends MutableInterval> MarkupIterator<T> mergingOverlappingIterator(@NotNull IntervalTreeImpl<T> tree1,
+                                                                                  @NotNull TextRangeInterval tree1Range,
+                                                                                  @NotNull IntervalTreeImpl<T> tree2,
+                                                                                  @NotNull TextRangeInterval tree2Range,
+                                                                                  @NotNull Comparator<? super T> comparator) {
+    MarkupIterator<T> exact = tree1.overlappingIterator(tree1Range);
+    MarkupIterator<T> lines = tree2.overlappingIterator(tree2Range);
     return mergeIterators(exact, lines, comparator);
   }
 
   @NotNull
-  static <T extends MutableInterval> DisposableIterator<T> mergeIterators(@NotNull final DisposableIterator<T> iterator1,
-                                                                          @NotNull final DisposableIterator<T> iterator2,
-                                                                          @NotNull final Comparator<? super T> comparator) {
-    return new DisposableIterator<T>() {
+  static <T extends MutableInterval> MarkupIterator<T> mergeIterators(@NotNull final MarkupIterator<T> iterator1,
+                                                                      @NotNull final MarkupIterator<T> iterator2,
+                                                                      @NotNull final Comparator<? super T> comparator) {
+    return new MarkupIterator<T>() {
       @Override
       public void dispose() {
         iterator1.dispose();
@@ -1397,7 +1397,7 @@ abstract class IntervalTreeImpl<T extends MutableInterval> extends RedBlackTree<
       }
 
       @NotNull
-      private DisposableIterator<T> choose() {
+      private MarkupIterator<T> choose() {
         T t1 = iterator1.hasNext() ? iterator1.peek() : null;
         T t2 = iterator2.hasNext() ? iterator2.peek() : null;
         if (t1 == null) {
diff --git a/platform/editor-ui-ex/src/com/intellij/injected/editor/MarkupModelWindow.java b/platform/editor-ui-ex/src/com/intellij/injected/editor/MarkupModelWindow.java
index 2f9d331f8a13..f95c47e6b998 100644
--- a/platform/editor-ui-ex/src/com/intellij/injected/editor/MarkupModelWindow.java
+++ b/platform/editor-ui-ex/src/com/intellij/injected/editor/MarkupModelWindow.java
@@ -18,7 +18,7 @@ package com.intellij.injected.editor;
 
 import com.intellij.openapi.Disposable;
 import com.intellij.openapi.editor.Document;
-import com.intellij.openapi.editor.ex.DisposableIterator;
+import com.intellij.openapi.editor.ex.MarkupIterator;
 import com.intellij.openapi.editor.ex.MarkupModelEx;
 import com.intellij.openapi.editor.ex.RangeHighlighterEx;
 import com.intellij.openapi.editor.impl.event.MarkupModelListener;
@@ -145,7 +145,7 @@ public class MarkupModelWindow extends UserDataHolderBase implements MarkupModel
 
   @NotNull
   @Override
-  public DisposableIterator<RangeHighlighterEx> overlappingIterator(int startOffset, int endOffset) {
+  public MarkupIterator<RangeHighlighterEx> overlappingIterator(int startOffset, int endOffset) {
     // todo convert
     return myHostModel.overlappingIterator(startOffset, endOffset);
   }
diff --git a/platform/editor-ui-ex/src/com/intellij/openapi/editor/ex/MarkupModelEx.java b/platform/editor-ui-ex/src/com/intellij/openapi/editor/ex/MarkupModelEx.java
index e80652347ca6..6b848f40e0b2 100644
--- a/platform/editor-ui-ex/src/com/intellij/openapi/editor/ex/MarkupModelEx.java
+++ b/platform/editor-ui-ex/src/com/intellij/openapi/editor/ex/MarkupModelEx.java
@@ -58,7 +58,7 @@ public interface MarkupModelEx extends MarkupModel {
   boolean processRangeHighlightersOutside(int start, int end, @NotNull Processor<? super RangeHighlighterEx> processor);
 
   @NotNull
-  DisposableIterator<RangeHighlighterEx> overlappingIterator(int startOffset, int endOffset);
+  MarkupIterator<RangeHighlighterEx> overlappingIterator(int startOffset, int endOffset);
 
   // optimization: creates highlighter and fires only one event: highlighterCreated
   @NotNull
diff --git a/platform/editor-ui-ex/src/com/intellij/openapi/editor/impl/EmptyMarkupModel.java b/platform/editor-ui-ex/src/com/intellij/openapi/editor/impl/EmptyMarkupModel.java
index a87dc9aeaa93..17a19df56ca9 100644
--- a/platform/editor-ui-ex/src/com/intellij/openapi/editor/impl/EmptyMarkupModel.java
+++ b/platform/editor-ui-ex/src/com/intellij/openapi/editor/impl/EmptyMarkupModel.java
@@ -17,7 +17,7 @@ package com.intellij.openapi.editor.impl;
 
 import com.intellij.openapi.Disposable;
 import com.intellij.openapi.editor.Document;
-import com.intellij.openapi.editor.ex.DisposableIterator;
+import com.intellij.openapi.editor.ex.MarkupIterator;
 import com.intellij.openapi.editor.ex.MarkupModelEx;
 import com.intellij.openapi.editor.ex.RangeHighlighterEx;
 import com.intellij.openapi.editor.impl.event.MarkupModelListener;
@@ -139,8 +139,8 @@ public class EmptyMarkupModel implements MarkupModelEx {
 
   @NotNull
   @Override
-  public DisposableIterator<RangeHighlighterEx> overlappingIterator(int startOffset, int endOffset) {
-    return DisposableIterator.EMPTY;
+  public MarkupIterator<RangeHighlighterEx> overlappingIterator(int startOffset, int endOffset) {
+    return MarkupIterator.EMPTY;
   }
 
   @Override
diff --git a/platform/editor-ui-ex/src/com/intellij/openapi/editor/impl/MarkupModelImpl.java b/platform/editor-ui-ex/src/com/intellij/openapi/editor/impl/MarkupModelImpl.java
index 039b3918bd66..d5a0d8795fa2 100644
--- a/platform/editor-ui-ex/src/com/intellij/openapi/editor/impl/MarkupModelImpl.java
+++ b/platform/editor-ui-ex/src/com/intellij/openapi/editor/impl/MarkupModelImpl.java
@@ -29,7 +29,7 @@ import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.editor.Document;
 import com.intellij.openapi.editor.ex.DocumentEx;
-import com.intellij.openapi.editor.ex.DisposableIterator;
+import com.intellij.openapi.editor.ex.MarkupIterator;
 import com.intellij.openapi.editor.ex.MarkupModelEx;
 import com.intellij.openapi.editor.ex.RangeHighlighterEx;
 import com.intellij.openapi.editor.impl.event.MarkupModelListener;
@@ -259,7 +259,7 @@ public class MarkupModelImpl extends UserDataHolderBase implements MarkupModelEx
 
   @Override
   public boolean processRangeHighlightersOverlappingWith(int start, int end, @NotNull Processor<? super RangeHighlighterEx> processor) {
-    DisposableIterator<RangeHighlighterEx> iterator = overlappingIterator(start, end);
+    MarkupIterator<RangeHighlighterEx> iterator = overlappingIterator(start, end);
     try {
       while (iterator.hasNext()) {
         if (!processor.process(iterator.next())) {
@@ -281,7 +281,7 @@ public class MarkupModelImpl extends UserDataHolderBase implements MarkupModelEx
 
   @Override
   @NotNull
-  public DisposableIterator<RangeHighlighterEx> overlappingIterator(int startOffset, int endOffset) {
+  public MarkupIterator<RangeHighlighterEx> overlappingIterator(int startOffset, int endOffset) {
     startOffset = Math.max(0,startOffset);
     endOffset = Math.max(startOffset, endOffset);
     return IntervalTreeImpl
diff --git a/platform/lang-impl/src/com/intellij/openapi/editor/richcopy/TextWithMarkupProcessor.java b/platform/lang-impl/src/com/intellij/openapi/editor/richcopy/TextWithMarkupProcessor.java
index c9ad612753a7..85d4cec00abb 100644
--- a/platform/lang-impl/src/com/intellij/openapi/editor/richcopy/TextWithMarkupProcessor.java
+++ b/platform/lang-impl/src/com/intellij/openapi/editor/richcopy/TextWithMarkupProcessor.java
@@ -26,7 +26,7 @@ import com.intellij.openapi.editor.*;
 import com.intellij.openapi.editor.colors.EditorColorsScheme;
 import com.intellij.openapi.editor.colors.FontPreferences;
 import com.intellij.openapi.editor.colors.TextAttributesKey;
-import com.intellij.openapi.editor.ex.DisposableIterator;
+import com.intellij.openapi.editor.ex.MarkupIterator;
 import com.intellij.openapi.editor.ex.MarkupModelEx;
 import com.intellij.openapi.editor.ex.RangeHighlighterEx;
 import com.intellij.openapi.editor.ex.util.EditorUtil;
@@ -126,11 +126,11 @@ public class TextWithMarkupProcessor extends CopyPastePostProcessor<RawTextWithM
         if (endOffset <= startOffsetToUse) {
           continue;
         }
-        MarkupIterator markupIterator = new MarkupIterator(text,
-                                                           new CompositeRangeIterator(schemeToUse,
-                                                                                      new HighlighterRangeIterator(highlighter, startOffsetToUse, endOffset),
-                                                                                      new MarkupModelRangeIterator(markupModel, schemeToUse, startOffsetToUse, endOffset)),
-                                                           schemeToUse);
+        MyMarkupIterator markupIterator = new MyMarkupIterator(text,
+                                                               new CompositeRangeIterator(schemeToUse,
+                                                                                          new HighlighterRangeIterator(highlighter, startOffsetToUse, endOffset),
+                                                                                          new MarkupModelRangeIterator(markupModel, schemeToUse, startOffsetToUse, endOffset)),
+                                                               schemeToUse);
         try {
           context.iterate(markupIterator, endOffset);
         }
@@ -294,7 +294,7 @@ public class TextWithMarkupProcessor extends CopyPastePostProcessor<RawTextWithM
       myIndentSymbolsToStripAtCurrentLine = 0;
     }
 
-    public void iterate(MarkupIterator iterator, int endOffset) {
+    public void iterate(MyMarkupIterator iterator, int endOffset) {
       while (!iterator.atEnd()) {
         iterator.advance();
         int startOffset = iterator.getStartOffset();
@@ -418,14 +418,14 @@ public class TextWithMarkupProcessor extends CopyPastePostProcessor<RawTextWithM
     }
   }
 
-  private static class MarkupIterator {
+  private static class MyMarkupIterator {
     private final SegmentIterator mySegmentIterator;
     private final RangeIterator myRangeIterator;
     private int myCurrentFontStyle;
     private Color myCurrentForegroundColor;
     private Color myCurrentBackgroundColor;
 
-    private MarkupIterator(@NotNull CharSequence charSequence, @NotNull RangeIterator rangeIterator, @NotNull EditorColorsScheme colorsScheme) {
+    private MyMarkupIterator(@NotNull CharSequence charSequence, @NotNull RangeIterator rangeIterator, @NotNull EditorColorsScheme colorsScheme) {
       myRangeIterator = rangeIterator;
       mySegmentIterator = new SegmentIterator(charSequence, colorsScheme.getFontPreferences());
     }
@@ -638,7 +638,7 @@ public class TextWithMarkupProcessor extends CopyPastePostProcessor<RawTextWithM
     private final EditorColorsScheme myColorsScheme;
     private final Color myDefaultForeground;
     private final Color myDefaultBackground;
-    private final DisposableIterator<RangeHighlighterEx> myIterator;
+    private final MarkupIterator<RangeHighlighterEx> myIterator;
 
     private int myCurrentStart;
     private int myCurrentEnd;
diff --git a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorFilteringMarkupModelEx.java b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorFilteringMarkupModelEx.java
index 0a73ac9f66d0..778aafc10be5 100644
--- a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorFilteringMarkupModelEx.java
+++ b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorFilteringMarkupModelEx.java
@@ -17,7 +17,7 @@ package com.intellij.openapi.editor.impl;
 
 import com.intellij.openapi.Disposable;
 import com.intellij.openapi.editor.Document;
-import com.intellij.openapi.editor.ex.DisposableIterator;
+import com.intellij.openapi.editor.ex.MarkupIterator;
 import com.intellij.openapi.editor.ex.EditorEx;
 import com.intellij.openapi.editor.ex.MarkupModelEx;
 import com.intellij.openapi.editor.ex.RangeHighlighterEx;
@@ -78,7 +78,7 @@ public class EditorFilteringMarkupModelEx implements MarkupModelEx {
 
   @Override
   @NotNull
-  public DisposableIterator<RangeHighlighterEx> overlappingIterator(int startOffset, int endOffset) {
+  public MarkupIterator<RangeHighlighterEx> overlappingIterator(int startOffset, int endOffset) {
     return new MyFilteringIterator(myDelegate.overlappingIterator(startOffset, endOffset));
   }
 
@@ -94,10 +94,10 @@ public class EditorFilteringMarkupModelEx implements MarkupModelEx {
   }
 
   private class MyFilteringIterator extends FilteringIterator<RangeHighlighterEx, RangeHighlighterEx>
-    implements DisposableIterator<RangeHighlighterEx> {
-    private DisposableIterator<RangeHighlighterEx> myDelegate;
+    implements MarkupIterator<RangeHighlighterEx> {
+    private MarkupIterator<RangeHighlighterEx> myDelegate;
 
-    public MyFilteringIterator(@NotNull DisposableIterator<RangeHighlighterEx> delegate) {
+    public MyFilteringIterator(@NotNull MarkupIterator<RangeHighlighterEx> delegate) {
       super(delegate, IS_AVAILABLE);
       myDelegate = delegate;
     }
diff --git a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorGutterComponentImpl.java b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorGutterComponentImpl.java
index 3953539e7ff2..6a7edc01bce1 100644
--- a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorGutterComponentImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorGutterComponentImpl.java
@@ -562,8 +562,8 @@ class EditorGutterComponentImpl extends EditorGutterComponentEx implements Mouse
   private void processRangeHighlighters(int startOffset, int endOffset, @NotNull RangeHighlighterProcessor processor) {
     Document document = myEditor.getDocument();
     // we limit highlighters to process to between line starting at startOffset and line ending at endOffset
-    DisposableIterator<RangeHighlighterEx> docHighlighters = myEditor.getFilteredDocumentMarkupModel().overlappingIterator(startOffset, endOffset);
-    DisposableIterator<RangeHighlighterEx> editorHighlighters = myEditor.getMarkupModel().overlappingIterator(startOffset, endOffset);
+    MarkupIterator<RangeHighlighterEx>docHighlighters = myEditor.getFilteredDocumentMarkupModel().overlappingIterator(startOffset, endOffset);
+    MarkupIterator<RangeHighlighterEx> editorHighlighters = myEditor.getMarkupModel().overlappingIterator(startOffset, endOffset);
 
     try {
       RangeHighlighterEx lastDocHighlighter = null;
diff --git a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorMarkupModelImpl.java b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorMarkupModelImpl.java
index 410695eaa1a5..11266fa6278b 100644
--- a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorMarkupModelImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorMarkupModelImpl.java
@@ -735,9 +735,9 @@ public class EditorMarkupModelImpl extends MarkupModelImpl implements EditorMark
       final int[] thinYStart = new int[1];  // in range 0..yStart all spots are drawn
       final int[] wideYStart = new int[1];  // in range 0..yStart all spots are drawn
 
-      DisposableIterator<RangeHighlighterEx> iterator1 = markup1.overlappingIterator(startOffset, endOffset);
-      DisposableIterator<RangeHighlighterEx> iterator2 = markup2.overlappingIterator(startOffset, endOffset);
-      DisposableIterator<RangeHighlighterEx> iterator =
+      MarkupIterator<RangeHighlighterEx> iterator1 = markup1.overlappingIterator(startOffset, endOffset);
+      MarkupIterator<RangeHighlighterEx> iterator2 = markup2.overlappingIterator(startOffset, endOffset);
+      MarkupIterator<RangeHighlighterEx> iterator =
         IntervalTreeImpl.mergeIterators(iterator1, iterator2, RangeHighlighterEx.BY_AFFECTED_START_OFFSET);
       try {
         ContainerUtil.process(iterator, new Processor<RangeHighlighterEx>() {