diff --git a/src/IDF/Form/IssueUpdate.php b/src/IDF/Form/IssueUpdate.php
index b453b9a..9835bc3 100644
--- a/src/IDF/Form/IssueUpdate.php
+++ b/src/IDF/Form/IssueUpdate.php
@@ -69,11 +69,11 @@ class IDF_Form_IssueUpdate  extends IDF_Form_IssueCreate
         // case of someone allowing the upload path to be accessible
         // to everybody.
         for ($i=1;$i<4;$i++) {
-            $filename = substr($md5, 0, 2).'/'.substr($md5, 2, 2).'/'.substr($md5, 4).'/%s.dummy'; 
+            $filename = substr($md5, 0, 2).'/'.substr($md5, 2, 2).'/'.substr($md5, 4).'/%s.dummy';
             $this->fields['attachment'.$i] = new Pluf_Form_Field_File(
                 array('required' => false,
                       'label' => __('Attach a file'),
-                      'move_function_params' => 
+                      'move_function_params' =>
                       array('upload_path' => $upload_path,
                             'upload_path_create' => true,
                             'file_name' => $filename,
@@ -102,6 +102,22 @@ class IDF_Form_IssueUpdate  extends IDF_Form_IssueCreate
                                                        'size' => 15,
                                                                     ),
                                             ));
+
+            $relation_types =  $extra['project']->getRelationsFromConfig();
+            $this->fields['relation_type'] = new Pluf_Form_Field_Varchar(
+                          array('required' => false,
+                                'label' => __('This issue'),
+                                'initial' => $relation_types[0],
+                                'widget_attrs' => array('size' => 15),
+                                ));
+
+            $this->fields['relation_issue'] = new Pluf_Form_Field_Varchar(
+                          array('required' => false,
+                                'label' => null,
+                                'initial' => '',
+                                'widget_attrs' => array('size' => 10),
+                                ));
+
             $tags = $this->issue->get_tags_list();
             for ($i=1;$i<7;$i++) {
                 $initial = '';
diff --git a/src/IDF/Views/Issue.php b/src/IDF/Views/Issue.php
index 7224347..21800ff 100644
--- a/src/IDF/Views/Issue.php
+++ b/src/IDF/Views/Issue.php
@@ -345,6 +345,7 @@ class IDF_Views_Issue
                                     'form' => $form,
                                     'page_title' => $title,
                                     'preview' => $preview,
+                                    'issue' => new IDF_Issue(),
                                     ),
                               self::autoCompleteArrays($prj)
                               );
@@ -651,22 +652,60 @@ class IDF_Views_Issue
     public function autoCompleteIssueList($request, $match)
     {
         $prj = $request->project;
+        $issue_id = !empty($match[2]) ? intval($match[2]) : 0;
+        $query = trim($request->REQUEST['q']);
+        $limit = !empty($request->REQUEST['limit']) ? intval($request->REQUEST['limit']) : 0;
+        $limit = max(10, $limit);
+
+        $issues = array();
+
+        // empty search, return the most recently updated issues
+        if (empty($query)) {
+                $sql = new Pluf_SQL('project=%s', array($prj->id));
+                $tmp = Pluf::factory('IDF_Issue')->getList(array(
+                    'filter' => $sql->gen(),
+                    'order' => 'modif_dtime DESC'
+                ));
+                $issues += $tmp->getArrayCopy();
+        }
+        else {
+            // ID-based search
+            if (is_numeric($query)) {
+                $sql = new Pluf_SQL('project=%s AND id LIKE %s', array($prj->id, $query.'%'));
+                $tmp = Pluf::factory('IDF_Issue')->getList(array(
+                    'filter' => $sql->gen(),
+                    'order' => 'id ASC'
+                ));
+                $issues += $tmp->getArrayCopy();
+            }
+
+            // text-based search
+            $res = new Pluf_Search_ResultSet(
+                IDF_Search::mySearch($query, $prj, 'IDF_Issue')
+            );
+            foreach ($res as $issue)
+                $issues[] = $issue;
+        }
 
         // Autocomplete from jQuery UI works with JSON, this old one still
         // expects a parsable string; since we'd need to bump jQuery beyond
         // 1.2.6 for this to use as well, we're trying to cope with the old format.
         // see http://www.learningjquery.com/2010/06/autocomplete-migration-guide
-
-        $arr = array(
-            'Fo|o' => 110,
-            'Bar' => 111,
-            'Baz' => 112,
-        );
-
         $out = '';
-        foreach ($arr as $key => $val)
+        $ids = array();
+        foreach ($issues as $issue)
         {
-            $out .= str_replace('|', '&#124;', $key).'|'.$val."\n";
+            if ($issue->id == $issue_id)
+                continue;
+
+            if (in_array($issue->id, $ids))
+                continue;
+
+            if (--$limit < 0)
+                break;
+
+            $out .= str_replace('|', '&#124;', $issue->summary) .'|'.$issue->id."\n";
+            $ids[] = $issue->id;
         }
 
         return new Pluf_HTTP_Response($out);
diff --git a/src/IDF/conf/urls.php b/src/IDF/conf/urls.php
index b218e95..642ace7 100644
--- a/src/IDF/conf/urls.php
+++ b/src/IDF/conf/urls.php
@@ -173,7 +173,7 @@ $ctl[] = array('regex' => '#^/watchlist/(\w+)$#',
                'model' => 'IDF_Views_Issue',
                'method' => 'forgeWatchList');
 
-$ctl[] = array('regex' => '#^/p/([\-\w]+)/issues/autocomplete/$#',
+$ctl[] = array('regex' => '#^/p/([\-\w]+)/issues/autocomplete/(\d*)$#',
                'base' => $base,
                'model' => 'IDF_Views_Issue',
                'method' => 'autoCompleteIssueList');
diff --git a/src/IDF/templates/idf/issues/js-autocomplete.html b/src/IDF/templates/idf/issues/js-autocomplete.html
index 24b27f8..8506783 100644
--- a/src/IDF/templates/idf/issues/js-autocomplete.html
+++ b/src/IDF/templates/idf/issues/js-autocomplete.html
@@ -64,11 +64,12 @@
             return row.to;
         }
     });
-  $("#id_relation_issue").autocomplete("{/literal}{url 'IDF_Views_Issue::autoCompleteIssueList', array($project.shortname)}{literal}", {
+  $("#id_relation_issue").autocomplete("{/literal}{url 'IDF_Views_Issue::autoCompleteIssueList', array($project.shortname, $issue.id)}{literal}", {
         minChars: 0,
         width: 310,
         matchContains: true,
         max: 10,
+        multiple: true,
         delay: 500,
         highlightItem: false,
         formatItem: function(row, i, max, term) {
diff --git a/src/IDF/templates/idf/issues/view.html b/src/IDF/templates/idf/issues/view.html
index 050460d..e27be87 100644
--- a/src/IDF/templates/idf/issues/view.html
+++ b/src/IDF/templates/idf/issues/view.html
@@ -120,6 +120,15 @@
 </td>
 </tr>
 <tr>
+<th>{$form.f.relation_type.labelTag}:</th>
+<td>
+{if $form.f.relation_type.errors}{$form.f.relation_type.fieldErrors}{/if}
+{if $form.f.relation_issue.errors}{$form.f.relation_issue.fieldErrors}{/if}
+{$form.f.relation_type|unsafe}
+{$form.f.relation_issue|unsafe}
+</td>
+</tr>
+<tr>
 <th>{$form.f.label1.labelTag}:</th>
 <td>
 {if $form.f.label1.errors}{$form.f.label1.fieldErrors}{/if}{$form.f.label1|unsafe}