newSubSection: Create a new subsection element.
Description
Create a new subsection element.
Usage
newSubSection(..., exportId = NULL,
    protection = PROTECTION.PUBLIC)Arguments
...
Strings that will be concatenated to form the
  subsection title.
exportId
Unique string to identify this element.
  Used to retrieve the element using
  getExportedElement.
protection
Procection level. One of
  PROTECTION.PUBLIC, PROTECTION.GROUP, PROTECTION.PRIVATE.