MDL-71301 qtype_gapselect: Make blank answer box labels more meaningful

question/type/gapselect/lang/en/qtype_gapselect.php

@@ -24,6 +24,7 @@
 
 $string['addmorechoiceblanks'] = 'Blanks for {no} more choices';
 $string['answer'] = 'Answer';
+$string['blanknumber'] = 'Blank {$a}';
 $string['choices'] = 'Choices';
 $string['choicex'] = 'Choice [[{no}]]';
 $string['combinedcontrolnamegapselect'] = 'drop-down menu';

question/type/gapselect/renderer.php

@@ -72,7 +72,10 @@ class qtype_gapselect_renderer extends qtype_elements_embedded_in_question_text_
         }
 
         // Use non-breaking space instead of 'Choose...'.
-        $selecthtml = html_writer::select($selectoptions, $qa->get_qt_field_name($fieldname),
+        $selecthtml = html_writer::label(get_string('blanknumber', 'qtype_gapselect', $place),
+                            $attributes['id'], false,
+                            array('class' => 'sr-only'));
+        $selecthtml .= html_writer::select($selectoptions, $qa->get_qt_field_name($fieldname),
                         $value, ' ', $attributes) . ' ' . $feedbackimage;
         return html_writer::tag('span', $selecthtml, array('class' => 'control '.$groupclass));
     }