tags-table-format-functions

tags-table-format-functions is a variable defined in `etags.el'.
Its value is

(etags-recognize-tags-table tags-recognize-empty-tags-table)

• This variable may be risky if used as a file-local variable.

Documentation:
Hook to be called in a tags table buffer to identify the type of tags table.
The functions are called in order, with no arguments,
until one returns non-nil. The function should make buffer-local bindings
of the format-parsing tags function variables if successful.