for arguments to bootloader, patch from Hugh Brock
* tests/sexpr2xmltest.c tests/xml2sexprtest.c
  tests/sexpr2xmldata/sexpr2xml-pv-bootloader.sexpr
  tests/sexpr2xmldata/sexpr2xml-pv-bootloader.xml
  tests/xml2sexprdata/xml2sexpr-pv-bootloader.sexpr
  tests/xml2sexprdata/xml2sexpr-pv-bootloader.xml: add specific
  regression tests
Daniel