Variable: rng-message-overlay-inhibit-point
rng-message-overlay-inhibit-point is a buffer-local variable defined
in rng-valid.el.gz.
Documentation
Position at which message from overlay should be inhibited.
If point is equal to this and the error overlay around
point is rng-message-overlay, then the help-echo property
of the error overlay should not be printed with message.
Source Code
;; Defined in /usr/src/emacs/lisp/nxml/rng-valid.el.gz
(defvar-local rng-message-overlay-inhibit-point nil
"Position at which message from overlay should be inhibited.
If point is equal to this and the error overlay around
point is `rng-message-overlay', then the `help-echo' property
of the error overlay should not be printed with `message'.")