From b97057a2deede4e8b7c9b1a7670528e3e2cd9931 Mon Sep 17 00:00:00 2001
From: Dmitry Avdeev <dmitry.avdeev@jetbrains.com>
Date: Wed, 2 Oct 2019 11:20:18 +0300
Subject: [PATCH] do not invoke for lightweight documents created for default
 project

GitOrigin-RevId: 21fe410a9312bd0794d601902e8cef13a80a4c25
---
 .../codeInsight/editorActions/XmlTagNameSynchronizer.java      | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xml/impl/src/com/intellij/codeInsight/editorActions/XmlTagNameSynchronizer.java b/xml/impl/src/com/intellij/codeInsight/editorActions/XmlTagNameSynchronizer.java
index 31b557b22fd2..fb46671e20f8 100644
--- a/xml/impl/src/com/intellij/codeInsight/editorActions/XmlTagNameSynchronizer.java
+++ b/xml/impl/src/com/intellij/codeInsight/editorActions/XmlTagNameSynchronizer.java
@@ -139,7 +139,8 @@ public final class XmlTagNameSynchronizer implements CommandListener, EditorFact
       if (!WebEditorOptions.getInstance().isSyncTagEditing()) return;
 
       final Document document = event.getDocument();
-      if (myApplying || UndoManager.getInstance(Objects.requireNonNull(myEditor.getProject())).isUndoInProgress() ||
+      Project project = Objects.requireNonNull(myEditor.getProject());
+      if (myApplying || project.isDefault() || UndoManager.getInstance(project).isUndoInProgress() ||
           !PomModelImpl.isAllowPsiModification() || document.isInBulkUpdate()) {
         return;
       }