Variable: default-tags-table-function
default-tags-table-function is a variable defined in etags.el.gz.
Value
nil
Documentation
If non-nil, a function to choose a default tags file for a buffer.
This function receives no arguments and should return the default tags table file to use for the current buffer.
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/etags.el.gz
(defvar default-tags-table-function nil
"If non-nil, a function to choose a default tags file for a buffer.
This function receives no arguments and should return the default
tags table file to use for the current buffer.")