Fix for bug 4019 and some other XHTML issues

lang/en/help/quiz/itemanalysis.html

@@ -7,9 +7,9 @@
 <p><b>Facility Index (% Correct)</b></p>
 <p>This is a measure of how easy or difficult is a question for quiz-takers. 
 It is calculated as:
-<br>
+<br />
 FI = (X<sub>average</sub>) / X<sub>max</sub> 
-<br>
+<br />
 
 where X<sub>average</sub> is the mean credit obtained by all users attempting the item, <br>
 and X<sub>max</sub> is the maximum credit achievable for that item.<br>

lang/en/quiz_analysis.php

@@ -21,7 +21,7 @@
 $string['rfractiontitle'] = 'partial<br />credit';
 $string['rcounttitle'] = 'R.<br />Counts';
 $string['rpercenttitle'] = 'R.%%';
-$string['facilitytitle'] = '%% Correct<br>Facility';
+$string['facilitytitle'] = '%% Correct<br />Facility';
 $string['stddevtitle'] = 'SD';
 $string['dicsindextitle'] = 'Disc.<br />Index';
 $string['disccoefftitle'] = 'Disc.<br />Coeff.';

mod/quiz/report/analysis/report.php

@@ -252,7 +252,7 @@ function display($quiz, $cm, $course) {     /// This function just displays the
 
         $table->define_columns($tablecolumns);
         $table->define_headers($tableheaders);
-        $table->define_baseurl($CFG->wwwroot.'/mod/quiz/report.php?q='.$quiz->id.'&mode=analysis');
+        $table->define_baseurl($CFG->wwwroot.'/mod/quiz/report.php?q='.$quiz->id.'&mode=analysis');
 
         $table->sortable(true);
         $table->collapsible(true);
@@ -352,7 +352,7 @@ function display($quiz, $cm, $course) {     /// This function just displays the
             $dc = format_float($q['disc_coeff'],2);
 
             $response = array_shift($responses);
-            $table->add_data(array($qnumber."\n<br>".$qicon."\n ".$qreview, $qquestion, $response->text, $response->credit, $response->rcount, $response->rpercent, $facility, $qsd, $di, $dc));
+            $table->add_data(array($qnumber."\n<br />".$qicon."\n ".$qreview, $qquestion, $response->text, $response->credit, $response->rcount, $response->rpercent, $facility, $qsd, $di, $dc));
             foreach($responses as $response) {
                 $table->add_data(array('', '', $response->text, $response->credit, $response->rcount, $response->rpercent, '', '', '', ''));
             }
@@ -365,6 +365,7 @@ function display($quiz, $cm, $course) {     /// This function just displays the
 
         echo '<div id="tablecontainer">';
         $table->print_html();
+        echo '</div>';
 
         $this->print_options_form($quiz, $cm, $attemptselection, $lowmarklimit, $pagesize);
         return true;