https://simonwillison.net/2008/Mar/5/aboutcmlenz/
CouchDB, XML, and E4X
Brilliant - CouchDB now enables SpiderMonkey's E4X support, meaning CouchDB views can easily query XML documents stored inside JSON objects using E4X syntax.
couchdbxmle4x
https://www.soundonsound.com/reviews/emu-e4x
Emu E4X
A new expandability has come to Emu's professional range of samplers. Paul Wiffen lifts the bonnet of the top-of-the-range model and finds an e6400 lurking...
emue4x
https://taplink.cc/andr_e4x
Andr_e4x at Taplink
andre4xtaplink