help-xref-forward-stack

help-xref-forward-stack is a variable defined in `help-mode.el'.
Its value is

nil

• Automatically becomes permanently buffer-local when set.

Documentation:
A stack used to navigate help forwards after using the back button.
Used by `help-follow' and `help-xref-go-forward'.
An element looks like (POSITION FUNCTION ARGS...).
To use the element, do (apply FUNCTION ARGS) then goto the point.