From e0448f086143764e8a63524ac43d84a9a9c72d43 Mon Sep 17 00:00:00 2001
From: Sergey Ignatov <sergey.ignatov@jetbrains.com>
Date: Wed, 1 Jan 2020 23:33:27 +0300
Subject: [PATCH] fix npe

GitOrigin-RevId: d750cc4a7a3a16b1b2920cd4924726a8d5f1be28
---
 .../xml/util/documentation/HtmlDocumentationProvider.java      | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xml/impl/src/com/intellij/xml/util/documentation/HtmlDocumentationProvider.java b/xml/impl/src/com/intellij/xml/util/documentation/HtmlDocumentationProvider.java
index b5d4f78e039e..78d8cc772196 100644
--- a/xml/impl/src/com/intellij/xml/util/documentation/HtmlDocumentationProvider.java
+++ b/xml/impl/src/com/intellij/xml/util/documentation/HtmlDocumentationProvider.java
@@ -137,7 +137,8 @@ public class HtmlDocumentationProvider implements DocumentationProvider, Externa
 
     if (element instanceof FakePsiElement) {
       nameElement = element.getNavigationElement();
-      isTag = nameElement != null && nameElement.getParent().getText().startsWith("element");
+      PsiElement parent = nameElement == null ? null : nameElement.getParent();
+      isTag = parent != null && parent.getText().startsWith("element");
     } else if (element instanceof XmlElementDecl) {
       nameElement = ((XmlElementDecl)element).getNameElement();
     } else if (element instanceof XmlAttributeDecl) {