Though I've never used Xidel, I came across it when researching XPath 2/3, and was very impressed that anyone managed to implement these massive, complicated specs all by themselves.
The major OSS XML libs, including LibXML2 and Xerces, do not implement what Xidel does, and neither to some proprietary libs like MSXML.
The major OSS XML libs, including LibXML2 and Xerces, do not implement what Xidel does, and neither to some proprietary libs like MSXML.