From ea1ae12cc403a00435bb30ced8c525324326fcb4 Mon Sep 17 00:00:00 2001
From: "Thomas A. Reinert" <Thomas-A-Reinert@users.noreply.github.com>
Date: Wed, 2 Mar 2016 23:46:24 +0100
Subject: [PATCH 1/4] Update content-single.php

Adding class="customclass" after post_class() inserts a _second_ class-attribute, which will neither work as expected nor validate.
Solution added.
---
 loop-templates/content-single.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/loop-templates/content-single.php b/loop-templates/content-single.php
index a38acf6..b9a975c 100644
--- a/loop-templates/content-single.php
+++ b/loop-templates/content-single.php
@@ -4,7 +4,7 @@
  */
 ?>
 
-<article id="post-<?php the_ID(); ?>" <?php post_class(); ?> class="content-single-item">
+<article id="post-<?php the_ID(); ?>" <?php post_class('content-single-item'); ?>>
 
 	<header class="entry-header">
 

From 5189f06c6d4c9eb0b00af5588c05e2cd1df1ce83 Mon Sep 17 00:00:00 2001
From: "Thomas A. Reinert" <Thomas-A-Reinert@users.noreply.github.com>
Date: Wed, 2 Mar 2016 23:49:13 +0100
Subject: [PATCH 2/4] Update content-search.php

Adding class="customclass" after post_class() inserts a _second_ class-attribute, which will neither work as expected nor validate.
Solution added.
---
 loop-templates/content-search.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/loop-templates/content-search.php b/loop-templates/content-search.php
index 154e8a7..2708be4 100644
--- a/loop-templates/content-search.php
+++ b/loop-templates/content-search.php
@@ -8,7 +8,7 @@
  */
 ?>
 
-<article id="post-<?php the_ID(); ?>" <?php post_class(); ?> class="content-search-item">
+<article id="post-<?php the_ID(); ?>" <?php post_class('content-search-item'); ?>>
 
 	<header class="entry-header">
 

From bb229380ab382f84d070a0aab22781f517d3082b Mon Sep 17 00:00:00 2001
From: "Thomas A. Reinert" <Thomas-A-Reinert@users.noreply.github.com>
Date: Wed, 2 Mar 2016 23:50:57 +0100
Subject: [PATCH 3/4] Update content-none.php

Adding class="customclass" after post_class() inserts a _second_ class-attribute, which will neither work as expected nor validate.
For multiple classes, an array with the classes needs to be constructed.
Solution added.
---
 loop-templates/content-none.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/loop-templates/content-none.php b/loop-templates/content-none.php
index 82fd42a..360e4a8 100644
--- a/loop-templates/content-none.php
+++ b/loop-templates/content-none.php
@@ -6,9 +6,15 @@
  *
  * @package understrap
  */
+ 
+ $classes = array(
+	'content-no-results-page',
+	'not-found',
+);
+
 ?>
 
-<article id="post-<?php the_ID(); ?>" <?php post_class(); ?> class="content-no-results-page not-found">
+<article id="post-<?php the_ID(); ?>" <?php post_class($classes); ?>>
 
 	<header class="page-header">
 

From 6e2cd28b36fcf7d9492406aba845f6cd9445d099 Mon Sep 17 00:00:00 2001
From: "Thomas A. Reinert" <Thomas-A-Reinert@users.noreply.github.com>
Date: Wed, 2 Mar 2016 23:52:17 +0100
Subject: [PATCH 4/4] Update content-page.php

Adding class="customclass" after post_class() inserts a _second_ class-attribute, which will neither work as expected nor validate.
Solution added.
---
 loop-templates/content-page.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/loop-templates/content-page.php b/loop-templates/content-page.php
index 4564dac..1e8ef87 100644
--- a/loop-templates/content-page.php
+++ b/loop-templates/content-page.php
@@ -6,7 +6,7 @@
  */
 ?>
 
-<article id="post-<?php the_ID(); ?>" <?php post_class(); ?> class="content-page-item">
+<article id="post-<?php the_ID(); ?>" <?php post_class('content-page-item'); ?>>
 
 	<header class="entry-header">