How do I know a bug is really in lxml and not in libxml2?
A large part of lxml’s functionality is implemented by libxml2 and libxslt, so problems that you encounter may be in one or the other. Knowing the right place to ask will reduce the time it takes to fix the problem, or to find a work-around. Both libxml2 and libxslt come with their own command line frontends, namely xmllint and xsltproc. If you encounter problems with XSLT processing for specific stylesheets or with validation for specific schemas, try to run the XSLT with xsltproc or the validation with xmllint respectively to find out if it fails there as well. If it does, please report directly to the mailing lists of the respective project, namely: • libxml2 mailing list • libxslt mailing list On the other hand, everything that seems to be related to Python code, including custom resolvers, custom XPath functions, etc. is likely outside of the scope of libxml2/libxslt. If you encounter problems here or you are not sure where there the problem may come from, please ask on the lxml m
