From 409e4de67968661b1bd9891121cfc225ec2b3456 Mon Sep 17 00:00:00 2001
From: Geert van Horrik <geert@catenalogic.com>
Date: Tue, 27 Jun 2017 18:05:23 +0200
Subject: [PATCH] Don't remove index.htm when it's the only content of a link

---
 src/DocNet/INavigationElementExtensions.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/DocNet/INavigationElementExtensions.cs b/src/DocNet/INavigationElementExtensions.cs
index ce7138d..0b60fb3 100644
--- a/src/DocNet/INavigationElementExtensions.cs
+++ b/src/DocNet/INavigationElementExtensions.cs
@@ -5,6 +5,8 @@ namespace Docnet
 {
 	public static class INavigationElementExtensions
 	{
+	    private const string IndexHtmFileName = "index.htm";
+
 		/// <summary>
 		/// Gets the final URL by encoding the path and by removing the filename if it equals <c>index.htm</c>.
 		/// </summary>
@@ -16,9 +18,9 @@ namespace Docnet
 			var targetUrl = navigationElement.GetTargetURL(pathSpecification);
 			var link = HttpUtility.UrlPathEncode(targetUrl);
 
-			if (link.EndsWith("index.htm", StringComparison.InvariantCultureIgnoreCase))
+			if (link.Length > IndexHtmFileName.Length && link.EndsWith(IndexHtmFileName, StringComparison.InvariantCultureIgnoreCase))
 			{
-				link = link.Substring(0, link.Length - "index.htm".Length);
+				link = link.Substring(0, link.Length - IndexHtmFileName.Length);
 			}
 
 			return link;