Learning XML, 2nd Edition by Erik T. Ray The following corrections were made to the 1/04 reprint: Here's a key to the markup: [page-number]: serious technical mistake {page-number}: minor technical mistake : important language/formatting problem (page-number): language change or minor formatting problem (44), second paragraph up from the bottom. http://www.apache.org/fop NOW READS: http://xml.apache.org/fop (62) example at bottom of page; NOW READS: (103) last paragraph in the section Complex Data http://www.dessci.com/support/tutorials/mathml/default.stm NOW READS: http://www.dessci.com/en/support/tutorials/mathml/ {137} postalcode element definition; NOW READS: (138) definition for element "name"; NOW READS: (361) last paragraph on the page. http://www.hut.fi/~jkorpela/chars.html NOW READS: http://www.cs.tut.fi/%7Ejkorpela/chars.html 369, under RELAX NG http://www.oasis-open.org/committee/relax-ng NOW READS: http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=relax-ng (369), under Schematron http://ascc/xml/resource/schematron/schematron.htm/ NOW READS: http://www.ascc.net/xml/resource/schematron/