We also used Graphviz for the streamabililty diagrams in early drafts of XSLT
3.0, see for example

https://www.w3.org/TR/2010/WD-xslt-21-20100511/#streamability-examples

The graph was transformed to DotML vocabulary from a high-level XML
description of the tree structure.

Michael Kay
Saxonica


> On 29 Mar 2021, at 01:34, Chris Papademetrious
christopher.papademetrious@xxxxxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> I use Graphviz for this stuff:
>
> 	https://graphviz.org/
>
> It's kind of on-topic because it takes an XML graph as input.
>
> - Chris