Variable: rng-current-schema-file-name
rng-current-schema-file-name is a buffer-local variable defined in
rng-loc.el.gz.
Documentation
Filename of schema being used for current buffer.
It is nil if using a vacuous schema.
Source Code
;; Defined in /usr/src/emacs/lisp/nxml/rng-loc.el.gz
(defvar-local rng-current-schema-file-name nil
"Filename of schema being used for current buffer.
It is nil if using a vacuous schema.")