My inclination is build the main loop on the terminal steps, ie.
for-each select="//step[not(step)]". But I'm not sure where to go after
that, since climbing backward through parent::step will build the list
in reverse.

  Perhaps storing the id of the terminal step and passing
that along to a recursive template that walks descendants of
ancestor::step[1]?

(BTW, the name attribute is for demonstration only, I don't have an
attribute that I can sort on.)

Cheers,
Wendell

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Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
Mulberry Technologies, Inc.                http://www.mulberrytech.com
17 West Jefferson Street                    Direct Phone: 301/315-9635
Suite 207                                          Phone: 301/315-9631
Rockville, MD  20850                                 Fax: 301/315-8285
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