* Add encoding external/internal example to encoding.rdoc
* Add encoding external/internal example to encoding.rdoc
* Update doc/encoding.rdoc
I think there may be some more of these that I've recently put into io.c. Will check tomorrow and create new PR if so.
Co-authored-by: Peter Zhu <peter@peterzhu.ca>
Co-authored-by: Peter Zhu <peter@peterzhu.ca>