"MDL-3729, use forces language for htmleditor"

lib/editor/htmlarea/lang/en.php

@@ -10,6 +10,10 @@
     //    ob_start("ob_gzhandler");
     //}
 
+    // use course language
+    $courseid  = optional_param('id', 1, PARAM_INT);
+    course_setup($courseid);
+
     header("Content-type: application/x-javascript; charset: utf-8");  // Correct MIME type
     header("Last-Modified: " . gmdate("D, d M Y H:i:s", $lastmodified) . " GMT");
     header("Expires: " . gmdate("D, d M Y H:i:s", time() + $lifetime) . " GMT");

lib/weblib.php

@@ -4936,7 +4936,7 @@ function print_textarea($usehtmleditor, $rows, $cols, $width, $height, $name, $v
 
             }
             $str .= ($scriptcount < 1) ? '<script type="text/javascript" src="'.
-                    $CFG->httpswwwroot .'/lib/editor/htmlarea/lang/en.php"></script>'."\n" : '';
+                    $CFG->httpswwwroot .'/lib/editor/htmlarea/lang/en.php?id='.$courseid.'"></script>'."\n" : '';
             $scriptcount++;
 
             if ($height) {    // Usually with legacy calls