diff --git a/platform/core-api/src/com/intellij/lang/injection/MultiHostInjector.java b/platform/core-api/src/com/intellij/lang/injection/MultiHostInjector.java
index 5d1f35d4ffef..396bdf4b4524 100644
--- a/platform/core-api/src/com/intellij/lang/injection/MultiHostInjector.java
+++ b/platform/core-api/src/com/intellij/lang/injection/MultiHostInjector.java
@@ -28,6 +28,9 @@ import org.jetbrains.annotations.NotNull;
 
 import java.util.List;
 
+/**
+ * @see com.intellij.psi.PsiLanguageInjectionHost
+ */
 public interface MultiHostInjector {
 
   ExtensionPointName<MultiHostInjector> MULTIHOST_INJECTOR_EP_NAME = ExtensionPointName.create("com.intellij.multiHostInjector");
diff --git a/platform/core-api/src/com/intellij/psi/LiteralTextEscaper.java b/platform/core-api/src/com/intellij/psi/LiteralTextEscaper.java
index 07afd9c72916..bc93b01f0c78 100644
--- a/platform/core-api/src/com/intellij/psi/LiteralTextEscaper.java
+++ b/platform/core-api/src/com/intellij/psi/LiteralTextEscaper.java
@@ -60,4 +60,23 @@ public abstract class LiteralTextEscaper<T extends PsiLanguageInjectionHost> {
 
   public abstract boolean isOneLine();
 
+  public static <T extends PsiLanguageInjectionHost> LiteralTextEscaper<T> createSimple(T element) {
+    return new LiteralTextEscaper<T>(element) {
+      @Override
+      public boolean decode(@NotNull TextRange rangeInsideHost, @NotNull StringBuilder outChars) {
+        outChars.append(rangeInsideHost.substring(myHost.getText()));
+        return true;
+      }
+
+      @Override
+      public int getOffsetInHost(int offsetInDecoded, @NotNull TextRange rangeInsideHost) {
+        return rangeInsideHost.getStartOffset() + offsetInDecoded;
+      }
+
+      @Override
+      public boolean isOneLine() {
+        return true;
+      }
+    };
+  }
 }
diff --git a/platform/lang-api/src/com/intellij/openapi/paths/PathReferenceManager.java b/platform/lang-api/src/com/intellij/openapi/paths/PathReferenceManager.java
index a6aa7062b117..69e077ee9237 100644
--- a/platform/lang-api/src/com/intellij/openapi/paths/PathReferenceManager.java
+++ b/platform/lang-api/src/com/intellij/openapi/paths/PathReferenceManager.java
@@ -64,7 +64,6 @@ public abstract class PathReferenceManager {
    * @param endingSlashNotAllowed true if paths like "/foo/" should not be resolved.
    * @param relativePathsAllowed true if the folder of the file containing the PsiElement should be used as "root".
    *        Otherwise, web application root will be used.
-   * @param suitableFileTypes
    *@param additionalProviders additional providers to process.  @return created references or an empty array.
    */
   @NotNull
diff --git a/platform/lang-impl/src/com/intellij/execution/ProgramRunnerUtil.java b/platform/lang-impl/src/com/intellij/execution/ProgramRunnerUtil.java
index 207ca4aadcf6..e74259e88c50 100644
--- a/platform/lang-impl/src/com/intellij/execution/ProgramRunnerUtil.java
+++ b/platform/lang-impl/src/com/intellij/execution/ProgramRunnerUtil.java
@@ -72,7 +72,7 @@ public class ProgramRunnerUtil {
       return;
     }
 
-    if (!RunManagerImpl.canRunConfiguration(configuration, executor) || (showSettings && RunManagerImpl.isEditBeforeRun(configuration))) {
+    if (!RunManagerImpl.canRunConfiguration(configuration, executor) || (showSettings && configuration.isEditBeforeRun())) {
       if (!RunDialog.editConfiguration(project, configuration, "Edit configuration", executor)) {
         return;
       }
diff --git a/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.java b/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.java
index fec7906323ba..4352717e2137 100644
--- a/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.java
+++ b/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.java
@@ -761,10 +761,6 @@ public class RunManagerImpl extends RunManagerEx implements JDOMExternalizable,
     setActiveConfiguration(tempConfiguration);
   }
 
-  public static boolean isEditBeforeRun(@NotNull final RunnerAndConfigurationSettings configuration) {
-    return configuration.isEditBeforeRun();
-  }
-
   Collection<RunnerAndConfigurationSettings> getStableConfigurations() {
     final Map<Integer, RunnerAndConfigurationSettings> result =
       new LinkedHashMap<Integer, RunnerAndConfigurationSettings>(myConfigurations);
diff --git a/platform/lang-impl/src/com/intellij/psi/impl/source/resolve/reference/impl/providers/FileReference.java b/platform/lang-impl/src/com/intellij/psi/impl/source/resolve/reference/impl/providers/FileReference.java
index ce1a41ffbb38..ba819aa6ff66 100644
--- a/platform/lang-impl/src/com/intellij/psi/impl/source/resolve/reference/impl/providers/FileReference.java
+++ b/platform/lang-impl/src/com/intellij/psi/impl/source/resolve/reference/impl/providers/FileReference.java
@@ -359,7 +359,7 @@ public class FileReference implements FileReferenceOwner, PsiPolyVariantReferenc
   @Override
   public PsiFileSystemItem resolve() {
     ResolveResult[] resolveResults = multiResolve(false);
-   return resolveResults.length == 1 ? (PsiFileSystemItem)resolveResults[0].getElement() : null;
+    return resolveResults.length == 1 ? (PsiFileSystemItem)resolveResults[0].getElement() : null;
   }
 
   @Nullable
diff --git a/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/MultiHostRegistrarImpl.java b/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/MultiHostRegistrarImpl.java
index 615c58974177..61ac24305495 100644
--- a/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/MultiHostRegistrarImpl.java
+++ b/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/MultiHostRegistrarImpl.java
@@ -242,7 +242,10 @@ public class MultiHostRegistrarImpl implements MultiHostRegistrar, ModificationT
         finally {
           viewProvider.setPatchingLeaves(false);
         }
-        assert parsedNode.getText().equals(documentText) : exceptionContext("After patch: doc:\n'" + documentText + "'\n---PSI:\n'" + parsedNode.getText() + "'\n---chars:\n'"+outChars+"'");
+        if (!parsedNode.getText().equals(documentText)) {
+          throw new AssertionError(exceptionContext(
+            "After patch: doc:\n'" + documentText + "'\n---PSI:\n'" + parsedNode.getText() + "'\n---chars:\n'" + outChars + "'"));
+        }
 
         virtualFile.setContent(null, documentWindow.getText(), false);