Tidy render override method WIP 2

Author: james-cnz

classes/output/renderer.php

@@ -91,14 +91,14 @@ public function render(\renderable $widget) {
         // Check for special course format templatables.
         if ($widget instanceof \templatable) {
             // Templatables from both core_courseformat\output\local\* and format_xxx\output\courseformat\*
-            // use format_multitopic/courseformat templates by default, if they exist.
+            // use format_multitopic/courseformat templates, if they exist.
             $corepath = 'core_courseformat\/output\/local';
             $pluginpath = 'format_\w+\/output\/courseformat';
             $specialrenderers = '/^(?<componentpath>' . $corepath . '|' . $pluginpath . ')\/(?<template>.+)$/';
             $matches = null;
 
             if (preg_match($specialrenderers, $fullpath, $matches)
-                && file_exists($CFG->dirroot . '/course/format/multitopic/templates/courseformat/' . $matches['template'])) {
+                && file_exists($CFG->dirroot . '/course/format/multitopic/templates/courseformat/' . $matches['template'])) { // ADDED.
                 $data = $widget->export_for_template($this);
                 return $this->render_from_template('format_multitopic/courseformat/' . $matches['template'], $data);    // CHANGED.
             }