looking-back - looking-at

[Stephen J. Turnbull]

Andreas Röhler writes:

 > AFAIS `looking-back' as pendant to `looking-at' is not
 > available at XEmacs. Would like to have it for
 > compatibility reasons, should I'm being right so far.

Not every 3-line function needs to be a primitive.  What does it do
(*exactly*, there are a number of possible semantics it could have)?

Quoting the whole defun, especially including the docstring, would
probably be the best idea.