>>>>> In <byd7s9uzc0.fsf@bolzano.math.ethz.ch> 
>>>>>	Jan Vroonhof <vroonhof@math.ethz.ch> wrote:

>> +(define-compiler-macro last (&whole form x &optional n)
>> +  (if (or (featurep 'xemacs)
>> +	  (and (fboundp 'last)

Jan> Why not wrap the whole thing an
Jan> (unless (featurep 'xemacs) ..)

This is the third time lucky. :-)