From 17811cef2cc0828df18832b0541a70dd52281022 Mon Sep 17 00:00:00 2001
From: nicolasconnault <nicolasconnault>
Date: Fri, 31 Jul 2009 11:14:16 +0000
Subject: [PATCH] MDL-19756 Outputting a debugging message if $OUTPUT->form()
 is called without $contents but with a $form->button set. Should use
 $OUTPUT->button($form) instead

---
 lib/outputlib.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/outputlib.php b/lib/outputlib.php
index baaf1a3586..53c14cb14e 100644
--- a/lib/outputlib.php
+++ b/lib/outputlib.php
@@ -2536,7 +2536,9 @@ class moodle_core_renderer extends moodle_renderer_base {
 
         $this->prepare_event_handlers($form);
 
-        if (empty($contents)) {
+        if (empty($contents) && !empty($form->button)) {
+            debugging("You probably want to use \$OUTPUT->button(\$form), please read that function's documentation", DEBUG_DEVELOPER);
+        } else if (empty($contents)) {
             $contents = $this->output_empty_tag('input', array('type' => 'submit', 'value' => get_string('ok')));
         }
 
-- 
2.39.5