Bug 385379 - [CSS] Provide the editor ID as a CSS class
diff --git a/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java b/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java
index f413a02..6b96286 100644
--- a/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java
+++ b/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java
@@ -3072,6 +3072,7 @@
 		}
 
 		MPart editor = partService.createPart(CompatibilityEditor.MODEL_ELEMENT_ID);
+		editor.getTags().add(editorId);
 		EditorReference ref = createEditorReferenceForPart(editor, input, editorId, editorState);
 		partService.showPart(editor, PartState.VISIBLE);