Index: tests/phpunit/tests/widgets/text-widget.php
===================================================================
--- tests/phpunit/tests/widgets/text-widget.php	(revision 42991)
+++ tests/phpunit/tests/widgets/text-widget.php	(working copy)
@@ -557,6 +557,7 @@
 		$legacy_text_examples = array(
 			'<span class="hello"></span>',
 			'<blockquote>Quote <footer>Citation</footer></blockquote>',
+			'<img src=\"http://example.com/img.jpg\" border=\"0\" title=\"Example\" /></a>',
 			'<span></span>',
 			"<ul>\n<li><a href=\"#\" class=\"location\"></a>List Item 1</li>\n<li><a href=\"#\" class=\"location\"></a>List Item 2</li>\n</ul>",
 			'<a href="#" class="map"></a>',
Index: src/wp-includes/widgets/class-wp-widget-text.php
===================================================================
--- src/wp-includes/widgets/class-wp-widget-text.php	(revision 42991)
+++ src/wp-includes/widgets/class-wp-widget-text.php	(working copy)
@@ -120,6 +120,9 @@
 		}
 
 		$doc = new DOMDocument();
+
+		// Suppress warnings generated by loadHTML
+		libxml_use_internal_errors( true );
 		@$doc->loadHTML(
 			sprintf(
 				'<!DOCTYPE html><html><head><meta charset="%s"></head><body>%s</body></html>',
@@ -127,6 +130,8 @@
 				$instance['text']
 			)
 		);
+		libxml_use_internal_errors( false );
+
 		$body = $doc->getElementsByTagName( 'body' )->item( 0 );
 
 		// See $allowedposttags.
