EBNF to BNF document

Hello,

For action ACTION 2023-11-28-c, the link to EBNF to BNF document is:

  https://github.com/invisibleXML/ixml/blob/master/misc/ebnf-to-bnf.md

                                        Be seeing you,
                                          norm

--
Norm Tovey-Walsh
Saxonica