Use absolute_url instead of base_url + url

Author: hellcp

feed.xml

@@ -6,8 +6,8 @@ layout: null
   <channel>
     <title>{{ site.title | xml_escape }}</title>
     <description>{{ site.description | xml_escape }}</description>
-    <link>{{ site.url }}{{ site.baseurl }}/</link>
-    <atom:link href="{{ "/feed.xml" | prepend: site.baseurl | prepend: site.url }}" rel="self" type="application/rss+xml"/>
+    <link>{{ "/" | absolute_url }}/</link>
+    <atom:link href="{{ "/feed.xml" | absolute_url }}" rel="self" type="application/rss+xml"/>
     <pubDate>{{ site.time | date_to_rfc822 }}</pubDate>
     <lastBuildDate>{{ site.time | date_to_rfc822 }}</lastBuildDate>
     <generator>Jekyll v{{ jekyll.version }}</generator>
@@ -16,8 +16,8 @@ layout: null
         <title>{{ post.title | xml_escape }}</title>
         <description>{{ post.content | xml_escape }}</description>
         <pubDate>{{ post.date | date_to_rfc822 }}</pubDate>
-        <link>{{ post.url | prepend: site.baseurl | prepend: site.url }}</link>
-        <guid isPermaLink="true">{{ post.url | prepend: site.baseurl | prepend: site.url }}</guid>
+        <link>{{ post.url | absolute_url }}</link>
+        <guid isPermaLink="true">{{ post.url | absolute_url }}</guid>
         {% for tag in post.tags %}
         <category>{{ tag | xml_escape }}</category>
         {% endfor %}