diff --git a/xml/impl/src/com/intellij/ide/browsers/LocalFileUrl.java b/xml/impl/src/com/intellij/ide/browsers/LocalFileUrl.java
index 7307725b6082..026133e0278b 100644
--- a/xml/impl/src/com/intellij/ide/browsers/LocalFileUrl.java
+++ b/xml/impl/src/com/intellij/ide/browsers/LocalFileUrl.java
@@ -67,6 +67,11 @@ public final class LocalFileUrl implements Url {
     return path.equals(((LocalFileUrl)o).path);
   }
 
+  @Override
+  public boolean equalsIgnoreParameters(@Nullable Url url) {
+    return equals(url);
+  }
+
   @Override
   public int hashCode() {
     return path.hashCode();
diff --git a/xml/impl/src/com/intellij/ide/browsers/UrlImpl.java b/xml/impl/src/com/intellij/ide/browsers/UrlImpl.java
index 05fa403faf67..a54887877014 100644
--- a/xml/impl/src/com/intellij/ide/browsers/UrlImpl.java
+++ b/xml/impl/src/com/intellij/ide/browsers/UrlImpl.java
@@ -145,14 +145,24 @@ public final class UrlImpl implements Url {
       return false;
     }
 
+    UrlImpl url = (UrlImpl)o;
+    return equalsIgnoreParameters(url) && (parameters == null ? url.parameters == null : parameters.equals(url.parameters));
+  }
+
+  @Override
+  public boolean equalsIgnoreParameters(@Nullable Url o) {
+    if (this == o) {
+      return true;
+    }
+    if (!(o instanceof UrlImpl)) {
+      return false;
+    }
+
     UrlImpl url = (UrlImpl)o;
     if (!scheme.equals(url.scheme)) {
       return false;
     }
-    if (authority != null ? !authority.equals(url.authority) : url.authority != null) {
-      return false;
-    }
-    if (parameters != null ? !parameters.equals(url.parameters) : url.parameters != null) {
+    if (authority == null ? url.authority != null : !authority.equals(url.authority)) {
       return false;
     }
     String decodedPath = getPath();
diff --git a/xml/openapi/src/com/intellij/ide/browsers/Url.java b/xml/openapi/src/com/intellij/ide/browsers/Url.java
index 4320ee98c242..bc913d470a1c 100644
--- a/xml/openapi/src/com/intellij/ide/browsers/Url.java
+++ b/xml/openapi/src/com/intellij/ide/browsers/Url.java
@@ -25,4 +25,6 @@ public interface Url {
 
   @Nullable
   String getParametersPart();
+
+  boolean equalsIgnoreParameters(@Nullable Url url);
 }