Subpassages could be a way to further organize passages into sections. (enhancement)
[BEGIN PASSAGE]
This is the default passage display. If no subpassage is specified, this section will be parsed and displayed.
::subheader (on new line, by itself)
This is a subpassage, accessible through the link format [[passage-name::subheader]] or [[Click me->passage-name::subheader]]. When the link is clicked, only this section will be parsed and displayed.
[END PASSAGE]
Subpassages could be a way to further organize passages into sections. (enhancement)