MDL-77209 core: Make More help links open on a new tab

Author: junpataleta

lib/weblib.php

@@ -2717,7 +2717,7 @@ function get_formatted_help_string($identifier, $component, $ajax = false, $a =
                 $data->doclink->linktext = $linktext;
                 $data->doclink->class = ($CFG->doctonewwindow) ? 'helplinkpopup' : '';
             } else {
-                $data->completedoclink = html_writer::tag('div', $OUTPUT->doc_link($link, $linktext),
+                $data->completedoclink = html_writer::tag('div', $OUTPUT->doc_link($link, $linktext, true),
                     array('class' => 'helpdoclink'));
             }
         }