[ruby/rexml] xpath: add support for changing to debug mode by environment variable
https://github.com/ruby/rexml/commit/59378a16ea
[ruby/rexml] xpath: add support for changing to debug mode by environment variable
https://github.com/ruby/rexml/commit/59378a16ea