Nokogiri lose < >

[Able1991]

xml have a special character �
if it is not removed from the document all symbols & lt; & gt; after it lost

part = nil;
File.open('part.xml','r') { |f| part = f.read }
File.open('good.xml','wb') do |f|
  f.puts Nokogiri::XML(part.gsub('','-')).to_xml
end
File.open('bad.xml','wb') do |f|
  f.puts Nokogiri::XML(part).to_xml
end

https://gist.github.com/Able1991/030665226c03478747bc - 'part.xml'
This is a known problem? Any other code can lead to errors?

[twalpole]

For XML 1.0 the characters below &#32; (&#x20), other than 0x9, 0xA, 0xD, are illegal in the document ( http://www.w3.org/TR/REC-xml/#charsets ), so technically your XML document is illegal. That being said the behavior of skipping further < and > characters in the document is strange.

[flavorjones]

All, this behavior is dependent on the underlying XML/HTML parsing library, and not Nokogiri.