Another attempt at bug 29658, action A-645-07, and A-648-01

> ACTION A-645-07: MSM to prepare a schema with a workaround for the
> issue reported in bug 29658 and post it.

and 

> ACTION- A-648-01: in the Serialization XSD, fix the whitespace and make it MSXML4 compatible and fix any other issues that were raised in that thread (see 
> https://lists.w3.org/Archives/Public/public-xsl-query/2016Jun/0078.html)

I attach a renewed attempt at the schema, and a revised set of test
cases.

This should re-activate actions 646-08 through -10 on TM, JS and OND
to test the schema.  


Michael

-- 
****************************************************************
* C. M. Sperberg-McQueen, Black Mesa Technologies LLC
* http://www.blackmesatech.com 
* http://cmsmcq.com/mib                 
* http://balisage.net
****************************************************************