1.6 Unimplemented Features
Unimplemented features include:
- :ab and :una are not implemented, since
:ab is considered obsolete, since Emacs has much
more powerful facilities for defining abbreviations.
- :set option? is not implemented. The current
:set can also be used to set Emacs variables.
- :se list requires modification of the display code for Emacs, so
it is not implemented.
A useful alternative is
cat -t -e file. Unfortunately, it cannot
be used directly inside Emacs, since Emacs will obdurately change ‘^I’
back to normal tabs.