MDL-20609 quiz tables: improve layout for long cell contents.

By allowing more wrapping.

mod/quiz/report/statistics/statistics_question_table.php

@@ -66,7 +66,7 @@ class quiz_statistics_question_table extends flexible_table {
 
         $this->define_baseurl($reporturl->out());
         $this->collapsible(false);
-        $this->set_attribute('class', 'generaltable generalbox boxaligncenter');
+        $this->set_attribute('class', 'generaltable generalbox boxaligncenter quizresponseanalysis');
 
         // Define the table columns.
         $columns = array();

mod/quiz/styles.css

@@ -416,6 +416,14 @@ table.quizreviewsummary td.cell {
 #page-mod-quiz-report fieldset.felement.fgroup {
     margin: 0;
 }
+#page-mod-quiz-report table th {
+    white-space: normal;
+}
+#page-mod-quiz-report table#attempts td,
+#page-mod-quiz-report table.quizresponseanalysis td {
+    word-wrap: break-word;
+    max-width: 20em;
+}
 #page-mod-quiz-report table.titlesleft td.c0 {
     font-weight: bold;
 }