dframe-help-echo-function

dframe-help-echo-function is a variable defined in `dframe.el'.
Its value is
nil

  • Automatically becomes buffer-local when set.
  • This variable may be risky if used as a file-local variable.

Documentation:
A function to call when help-echo is used in newer versions of Emacs.
Typically used to display info about the line under the mouse.