Removed template from the block element list

lib/Parser/Serializer.php

@@ -12,7 +12,7 @@ abstract class Serializer {
     use NameCoercion;
 
     // Elements treated as block elements when reformatting whitespace
-    protected const BLOCK_ELEMENTS = [ 'address', 'article', 'aside', 'blockquote', 'base', 'body', 'details', 'dialog', 'dd', 'div', 'dl', 'dt', 'fieldset', 'figcaption', 'figure', 'footer', 'form', 'frame', 'frameset', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hr', 'html', 'isindex', 'li', 'link', 'main', 'meta', 'nav', 'ol', 'p', 'picture', 'pre', 'section', 'script', 'source', 'style', 'table', 'template', 'td', 'tfoot', 'th', 'thead', 'title', 'tr', 'ul' ];
+    protected const BLOCK_ELEMENTS = [ 'address', 'article', 'aside', 'blockquote', 'base', 'body', 'details', 'dialog', 'dd', 'div', 'dl', 'dt', 'fieldset', 'figcaption', 'figure', 'footer', 'form', 'frame', 'frameset', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hr', 'html', 'isindex', 'li', 'link', 'main', 'meta', 'nav', 'ol', 'p', 'picture', 'pre', 'section', 'script', 'source', 'style', 'table', 'td', 'tfoot', 'th', 'thead', 'title', 'tr', 'ul' ];
     protected const H_ELEMENTS = [ 'h1', 'h2', 'h3', 'h4', 'h5', 'h6' ];
     // List of preformatted elements where content is ignored for the purposes of
     // reformatting whitespace
@@ -52,7 +52,7 @@ abstract class Serializer {
         'selected'        => ["option"],
     ];
 
-    protected const BLOCK_QUERY = 'count(./descendant::*[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"][name()="address" or name()="article" or name()="aside" or name()="blockquote" or name()="base" or name()="body" or name()="details" or name()="dialog" or name()="dd" or name()="div" or name()="dl" or name()="dt" or name()="fieldset" or name()="figcaption" or name()="figure" or name()="footer" or name()="form" or name()="frame" or name()="frameset" or name()="h1" or name()="h2" or name()="h3" or name()="h4" or name()="h5" or name()="h6" or name()="head" or name()="header" or name()="hr" or name()="html" or name()="isindex" or name()="li" or name()="link" or name()="main" or name()="meta" or name()="nav" or name()="ol" or name()="p" or name()="picture" or name()="pre" or name()="section" or name()="script" or name()="source" or name()="style" or name()="table" or name()="template" or name()="td" or name()="tfoot" or name()="th" or name()="thead" or name()="title" or name()="tr" or name()="ul"][1])';
+    protected const BLOCK_QUERY = 'count(./descendant::*[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"][name()="address" or name()="article" or name()="aside" or name()="blockquote" or name()="base" or name()="body" or name()="details" or name()="dialog" or name()="dd" or name()="div" or name()="dl" or name()="dt" or name()="fieldset" or name()="figcaption" or name()="figure" or name()="footer" or name()="form" or name()="frame" or name()="frameset" or name()="h1" or name()="h2" or name()="h3" or name()="h4" or name()="h5" or name()="h6" or name()="head" or name()="header" or name()="hr" or name()="html" or name()="isindex" or name()="li" or name()="link" or name()="main" or name()="meta" or name()="nav" or name()="ol" or name()="p" or name()="picture" or name()="pre" or name()="section" or name()="script" or name()="source" or name()="style" or name()="table" or name()="td" or name()="tfoot" or name()="th" or name()="thead" or name()="title" or name()="tr" or name()="ul"][1])';
 
     /** Serializes an HTML DOM node to a string. This is equivalent to the outerHTML getter
      *
@@ -240,12 +240,13 @@ abstract class Serializer {
 
                             // If reformatting whitespace indention needs to be applied to the template's
                             // serialized contents if not preformatted content.
-                            if ($reformatWhitespace && !$isPreformattedContent && $indentionLevel > 0) {
+                            /*if ($reformatWhitespace && !$isPreformattedContent && $indentionLevel > 0) {
                                 $ss = explode("\n", $ss);
                                 foreach ($ss as $key => $value) {
                                     $ss[$key] = str_repeat($indentChar, $indentionLevel * $indentStep) . $ss[$key];
                                 }
-                            }
+                                $ss = implode("\n", $ss);
+                            }*/
 
                             $s .= $ss;
                         } elseif ($n->hasChildNodes()) {