FIX4x.xml from quickfixengine.org FIX5x.xml from http://sourceforge.net/projects/quickfix/files/ FIX.xml is a modified FIX50SP2.xml with fields from previous versions. cf new field attributes 'since' and 'until'. hfField.xsl: generate hf_register_info list. hfDecl.xsl : generate fix_field list. Values.xsl : generate value_string and string_string tables. hfList.xsl : find the last tag number. packet-fix.h: Values.xsl hfDecl.xsl hfField.xsl output on FIX.xml follow by output of hfList.xsl on FIX40.xml to FIX44.xml example (xsltproc Values.xsl FIX.xml ; xsltproc hfDecl.xsl FIX.xml; xsltproc hfField.xsl FIX.xml;\ xsltproc hfList.xsl FIX40.xml; xsltproc hfList.xsl FIX41.xml; xsltproc hfList.xsl FIX42.xml;\ xsltproc hfList.xsl FIX43.xml; xsltproc hfList.xsl FIX44.xml) > packet-fix.h NOTES: - fix_field structure should use 'since' and 'until' attributes for removed tags. TODO: - make packet-fix.h autogenerated