From 2127203ae386da117647f619299a0a53b71b3c4d Mon Sep 17 00:00:00 2001
From: Daniel Lang <me@daniellang.net>
Date: Tue, 3 Jan 2017 08:11:22 -0800
Subject: [PATCH] Update documentation and test for sitemap template

---
 docs/content/templates/sitemap.md | 4 ++--
 examples/blog/layouts/sitemap.xml | 4 ++--
 hugolib/sitemap_test.go           | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/docs/content/templates/sitemap.md b/docs/content/templates/sitemap.md
index 10cfeefbe..1ecbfb3be 100644
--- a/docs/content/templates/sitemap.md
+++ b/docs/content/templates/sitemap.md
@@ -37,8 +37,8 @@ Protocol](http://www.sitemaps.org/protocol.html).
     <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
       {{ range .Data.Pages }}
       <url>
-        <loc>{{ .Permalink }}</loc>
-        <lastmod>{{ safeHTML ( .Date.Format "2006-01-02T15:04:05-07:00" ) }}</lastmod>{{ with .Sitemap.ChangeFreq }}
+        <loc>{{ .Permalink }}</loc>{{ if not .Lastmod.IsZero }}
+        <lastmod>{{ safeHTML ( .Lastmod.Format "2006-01-02T15:04:05-07:00" ) }}</lastmod>{{ end }}{{ with .Sitemap.ChangeFreq }}
         <changefreq>{{ . }}</changefreq>{{ end }}{{ if ge .Sitemap.Priority 0.0 }}
         <priority>{{ .Sitemap.Priority }}</priority>{{ end }}
       </url>
diff --git a/examples/blog/layouts/sitemap.xml b/examples/blog/layouts/sitemap.xml
index 8eb623b8b..005824255 100644
--- a/examples/blog/layouts/sitemap.xml
+++ b/examples/blog/layouts/sitemap.xml
@@ -1,8 +1,8 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   {{ range .Data.Pages }}
   <url>
-    <loc>{{ .Permalink }}</loc>
-    <lastmod>{{ safeHTML ( .Date.Format "2006-01-02T15:04:05-07:00" ) }}</lastmod>{{ with .Sitemap.ChangeFreq }}
+        <loc>{{ .Permalink }}</loc>{{ if not .Lastmod.IsZero }}
+        <lastmod>{{ safeHTML ( .Lastmod.Format "2006-01-02T15:04:05-07:00" ) }}</lastmod>{{ end }}{{ with .Sitemap.ChangeFreq }}
     <changefreq>{{ . }}</changefreq>{{ end }}{{ if ge .Sitemap.Priority 0.0 }}
     <priority>{{ .Sitemap.Priority }}</priority>{{ end }}
   </url>
diff --git a/hugolib/sitemap_test.go b/hugolib/sitemap_test.go
index aba47ae7d..3fb26638c 100644
--- a/hugolib/sitemap_test.go
+++ b/hugolib/sitemap_test.go
@@ -26,8 +26,8 @@ import (
 const sitemapTemplate = `<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   {{ range .Data.Pages }}
   <url>
-    <loc>{{ .Permalink }}</loc>
-    <lastmod>{{ safeHTML ( .Date.Format "2006-01-02T15:04:05-07:00" ) }}</lastmod>{{ with .Sitemap.ChangeFreq }}
+    <loc>{{ .Permalink }}</loc>{{ if not .Lastmod.IsZero }}
+    <lastmod>{{ safeHTML ( .Lastmod.Format "2006-01-02T15:04:05-07:00" ) }}</lastmod>{{ end }}{{ with .Sitemap.ChangeFreq }}
     <changefreq>{{ . }}</changefreq>{{ end }}{{ if ge .Sitemap.Priority 0.0 }}
     <priority>{{ .Sitemap.Priority }}</priority>{{ end }}
   </url>