diff --git a/main/wiki/export_mpdf.php b/main/wiki/export_mpdf.php
deleted file mode 100755
index 17c1440418..0000000000
--- a/main/wiki/export_mpdf.php
+++ /dev/null
@@ -1,68 +0,0 @@
-<?php
-/* For licensing terms, see /chamilo_license.txt */
-
-/**
- * Export html to pdf
- * @author Juan Carlos Raña <herodoto@telefonica.net>, initial code, 2009
- * @author Ivan Tcholakov <ivantcholakov@gmail.com>, 2010
- * @deprecated now we use the pdf.lib.php library for all pdf export issues
- */
-
-require '../inc/global.inc.php';
-
-api_protect_course_script();
-api_block_anonymous_users();
-
-define('_MPDF_PATH', api_get_path(LIBRARY_PATH).'mpdf/');
-require_once _MPDF_PATH.'mpdf.php';
-
-$content_pdf = api_html_entity_decode($_POST['contentPDF'], ENT_QUOTES, api_get_system_encoding());
-$title_pdf = api_html_entity_decode($_POST['titlePDF'], ENT_QUOTES, api_get_system_encoding());
-
-$title_pdf = api_utf8_encode($title_pdf, api_get_system_encoding());
-$content_pdf = api_utf8_encode($content_pdf, api_get_system_encoding());
-
-$html='
-<!-- defines the headers/footers - this must occur before the headers/footers are set -->
-
-<!--mpdf
-<pageheader name="odds" content-left="'.$title_pdf.'"  header-style-left="color: #880000; font-style: italic;"  line="1" />
-<pagefooter name="odds" content-right="{PAGENO}/{nb}" line="1" />
-
-<!-- set the headers/footers - they will occur from here on in the document -->
-<!--mpdf
-<setpageheader name="odds" page="odd" value="on" show-this-page="1" />
-<setpagefooter name="odds" page="O" value="on" />
-
-mpdf-->'.$content_pdf;
-
-
-$css_file = api_get_path(TO_SYS, WEB_CSS_PATH).api_get_setting('stylesheets').'/print.css';
-if (file_exists($css_file)) {
-	$css = @file_get_contents($css_file);
-} else {
-	$css = '';
-}
-
-$pdf = new mPDF('UTF-8', 'A4', '', '', 30, 20, 27, 25, 16, 13, 'P');
-
-$pdf->directionality = api_get_text_direction();
-
-$pdf->useOnlyCoreFonts = true;
-
-$pdf->SetAuthor('Wiki Chamilo');
-$pdf->SetTitle($title_pdf);
-$pdf->SetSubject('Exported from Chamilo Wiki');
-$pdf->SetKeywords('Chamilo Wiki');
-
-if (!empty($css)) {
-	$pdf->WriteHTML($css, 1);
-	$pdf->WriteHTML($html, 2);
-} else {
-	$pdf->WriteHTML($html);
-}
-
-if (empty($title_pdf)) {
-	$title_pdf = 'Exported from Chamilo Wiki';
-}
-$pdf->Output(replace_dangerous_char($title_pdf.'.pdf'), 'D');
diff --git a/main/wiki/index.php b/main/wiki/index.php
index 84db61989f..93fe071019 100755
--- a/main/wiki/index.php
+++ b/main/wiki/index.php
@@ -1392,7 +1392,7 @@ if ($_GET['action']=='edit')
 					}
 
 					//comp message
-					$message_task='<b>'.get_lang('DescriptionOfTheTask').'</b><p>'.api_htmlentities($row['task']).'</p><hr>';
+					$message_task='<b>'.get_lang('DescriptionOfTheTask').'</b><p>'.$row['task'].'</p><hr>';
 					$message_task.='<p>'.get_lang('StartDate').': '.$message_task_startdate.'</p>';
 					$message_task.='<p>'.get_lang('EndDate').': '.$message_task_enddate;
 					$message_task.=' ('.get_lang('AllowLaterSends').') '.$message_task_delayedsubmit.'</p>';
@@ -1483,9 +1483,9 @@ if ($_GET['action']=='edit')
 					echo '<td colspan="2">'.get_lang('Feedback3').'</td>';
 					echo '</tr>';
 					echo '<tr>';
-					echo '<td colspan="2"><textarea name="feedback1" cols="23" rows="4" >'.api_htmlentities($row['feedback1']).'</textarea></td>';
-					echo '<td colspan="2"><textarea name="feedback2" cols="23" rows="4" >'.api_htmlentities($row['feedback2']).'</textarea></td>';
-					echo '<td colspan="2"><textarea name="feedback3" cols="23" rows="4" >'.api_htmlentities($row['feedback3']).'</textarea></td>';
+					echo '<td colspan="2"><textarea name="feedback1" cols="21" rows="4" >'.api_htmlentities($row['feedback1']).'</textarea></td>';
+					echo '<td colspan="2"><textarea name="feedback2" cols="21" rows="4" >'.api_htmlentities($row['feedback2']).'</textarea></td>';
+					echo '<td colspan="2"><textarea name="feedback3" cols="21" rows="4" >'.api_htmlentities($row['feedback3']).'</textarea></td>';
 					echo '</tr>';
 					echo '<tr>';
 					echo '<td>'.get_lang('FProgress').':</td>';
diff --git a/main/wiki/wiki.inc.php b/main/wiki/wiki.inc.php
index 66193d8968..bf83ca3edb 100755
--- a/main/wiki/wiki.inc.php
+++ b/main/wiki/wiki.inc.php
@@ -583,6 +583,8 @@ return true;
 		echo '<div id="options" style="display:none; margin: 20px;" >';
 
 		//task
+		echo '<div>&nbsp;</div>';
+		echo '<div style= "border : 1px dotted; padding:4px; margin-top:20px;">';
 		echo '<input type="checkbox" value="1" name="checktask" onclick="javascript: if(this.checked){document.getElementById(\'option4\').style.display=\'block\';}else{document.getElementById(\'option4\').style.display=\'none\';}"/>&nbsp;<img src="../img/wiki/task.gif" title="'.get_lang('DefineTask').'" alt="'.get_lang('DefineTask').'"/>'.get_lang('DescriptionOfTheTask').'';
 		echo '&nbsp;&nbsp;&nbsp;<span id="msg_error4" style="display:none;color:red"></span>';
 		echo '<div id="option4" style="padding:4px; margin:5px; border:1px dotted; display:none;">';
@@ -593,12 +595,13 @@ return true;
 		echo '</tr>';
 		echo '<tr>';
 		//echo '<td><textarea name="task" cols="60" rows="4" >'.stripslashes($row['task']).'</textarea></td>';	// TODO: ¿delete?
-		echo '<td>'.api_disp_html_area('task', $row['task'], '', '', null, array('ToolbarSet' => 'wiki_task', 'Width' => '600', 'Height' => '200')).'</td>';
+		echo '<td>'.api_disp_html_area('task', $row['task'], '', '', null, array('ToolbarSet' => 'wiki_task', 'Width' => '580', 'Height' => '200')).'</td>';
 		echo '</tr>';
 		echo '</table>';
 		echo '</div>';
 
 		//feedback
+		
 		echo '<div>&nbsp;</div><input type="checkbox" value="1" name="checkfeedback" onclick="javascript: if(this.checked){document.getElementById(\'option2\').style.display=\'block\';}else{document.getElementById(\'option2\').style.display=\'none\';}"/>&nbsp;'.get_lang('AddFeedback').'';
 		echo '&nbsp;&nbsp;&nbsp;<span id="msg_error2" style="display:none;color:red"></span>';
 		echo '<div id="option2" style="padding:4px; margin:5px; border:1px dotted; display:none;">';
@@ -610,9 +613,9 @@ return true;
 		echo '<td colspan="2">'.get_lang('Feedback3').'</td>';
 	  	echo '</tr>';
 	 	echo '<tr>';
-		echo '<td colspan="2"><textarea name="feedback1" cols="23" rows="4"></textarea></td>';
-		echo '<td colspan="2"><textarea name="feedback2" cols="23" rows="4"></textarea></td>';
-		echo '<td colspan="2"><textarea name="feedback3" cols="23" rows="4"></textarea></td>';
+		echo '<td colspan="2"><textarea name="feedback1" cols="21" rows="4"></textarea></td>';
+		echo '<td colspan="2"><textarea name="feedback2" cols="21" rows="4"></textarea></td>';
+		echo '<td colspan="2"><textarea name="feedback3" cols="21" rows="4"></textarea></td>';
 	 	echo '</tr>';
 		echo '<tr>';
 		echo '<td>'.get_lang('FProgress').':</td>';
@@ -691,9 +694,9 @@ return true;
 		echo '<div id="option3" style="padding:4px; margin:5px; border:1px dotted; display:none;">';
 		echo '<div style="font-weight:normal"; align="center">'.get_lang('NMaxWords').':&nbsp;<input type="text" name="max_text" size="3">&nbsp;&nbsp;'.get_lang('NMaxVersion').':&nbsp;<input type="text" name="max_version" size="3"></div>';
 		echo '</div>';
-
+		echo '</div>';
 		//to define as an individual assignment
-		echo '<div style= "border : 1px dotted; padding:4px; margin-top:20px;"><img src="../img/wiki/assignment.png" />&nbsp;'.get_lang('DefineAssignmentPage').': <input type="checkbox" name="assignment" value="1"></div>'; // 1= teacher 2 =student
+		echo '<div style= "border : 1px dotted; padding:4px; margin-top:20px;"><img src="../img/wiki/assignment.png" title="'.get_lang('CreateAssignmentPage').'" alt="'.get_lang('CreateAssignmentPage').'"/>&nbsp;'.get_lang('DefineAssignmentPage').': <input type="checkbox" name="assignment" value="1"></div>'; // 1= teacher 2 =student
 		//
 		echo'</div>';