Variable: rng-error-count
rng-error-count is a buffer-local variable defined in rng-valid.el.gz.
Documentation
Number of errors in the current buffer.
Always equal to number of overlays with category rng-error.
Source Code
;; Defined in /usr/src/emacs/lisp/nxml/rng-valid.el.gz
(defvar-local rng-error-count nil
"Number of errors in the current buffer.
Always equal to number of overlays with category `rng-error'.")