Markup use of LibXml2 and zlib.
Markup use of LibXml2 and zlib.

hsorby/libcellml,cellml/libcellml,nickerso/libcellml,nickerso/libcellml,nickerso/libcellml,nickerso/libcellml,hsorby/libcellml,hsorby/libcellml,hsorby/libcellml,cellml/libcellml,cellml/libcellml,cellml/libcellml