code: public void editable(boolean isEditable, String filename) throws JspException {
  
          if (isEditable) {
              CmsJspTagEditable.editableTagAction(
                  getJspContext(),
                  CmsDirectEditJspIncludeProvider.class.getName(),
                  CmsDirectEditMode.AUTO,
                  filename);
          }
      }
docs: Includes the direct edit scriptlet, same as
  using the <code>&lt;cms:editable file="..." /&gt;</code>tag.<p>
  
  For backward compatibility, this always uses the JSP include based direct edit provider<p>.
  
  @param isEditable include scriptlet only if true
  @param filename file with scriptlet code
  
  @throws JspException if something goes wrong