-*- mode: outline; coding: utf-8 -*-* About. http://xmlhack.ru http://microformats.org/wiki/namespaces-considered-harmful* relaxng.** relaxng-mode. http://www.pantor.com/download.html RNC Emacs Mode (home page) http://www.emacswiki.org/emacs/RELAX_NG http://www.relaxng.org/compact-tutorial-20030326.html relaxng compact syntax tutorial* CLI utilities for processing xml.** xmlstar.XMLStarlet is a set of command line utilities (tools) which can be used to transform,query, validate, and edit XML documents and files using simple set of shell commands insimilar way it is done for plain text files using UNIX grep, sed, awk, diff, patch, join,etc. http://xmlstar.sourceforge.net/overview.php home page** Cygwin. cmd# setup.exe -p libxml2,libxslt'libxslt' provide 'xsltproc, 'libxml2' provide 'xmlcatalog' and 'xmllint'** XPath query from CLI. $ xmllint --xpath $XPATH file.xml* Microformats. http://microformats.org/about* XML encoding. http://www.ietf.org/rfc/rfc3023.txt XML Media Types http://www.xml.com/pub/a/2004/07/21/dive.html XML on the Web Has Failed* Validation of xml files. http://infohost.nmt.edu/tcc/help/xml/lint.html xmllint: A validator for XML files** Validating using the DOCTYPE. $ xmllint --valid --noout file.xml** Validating against a specific DTD. $ xmllint --noout --dtdvalid URL file.xml** Validating against a Relax NG schema. $ xmllint --noout --relaxng schema.rng file.xmlIf your schema is in Compact Format, you can use the trang program to convertit to RNG format: $ trang file.rnc file.rng** Validating against XSchema. $ xmllint --noout --schema schema.xsd file.xml