--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/class-wp-text-diff-renderer-inline.php	Mon Oct 14 17:39:30 2019 +0200
@@ -0,0 +1,33 @@
+<?php
+/**
+ * Diff API: WP_Text_Diff_Renderer_inline class
+ *
+ * @package WordPress
+ * @subpackage Diff
+ * @since 4.7.0
+ */
+
+/**
+ * Better word splitting than the PEAR package provides.
+ *
+ * @since 2.6.0
+ * @uses Text_Diff_Renderer_inline Extends
+ */
+class WP_Text_Diff_Renderer_inline extends Text_Diff_Renderer_inline {
+
+	/**
+	 * @ignore
+	 * @since 2.6.0
+	 *
+	 * @param string $string
+	 * @param string $newlineEscape
+	 * @return string
+	 */
+	public function _splitOnWords($string, $newlineEscape = "\n") {
+		$string = str_replace("\0", '', $string);
+		$words  = preg_split( '/([^\w])/u', $string, -1, PREG_SPLIT_DELIM_CAPTURE );
+		$words  = str_replace( "\n", $newlineEscape, $words );
+		return $words;
+	}
+
+}