Re: byte-opt.el addition - optimize list of compile-time constants

[Nick Roberts]

 > > I guess this is only in CVS Emacs?
 > 
 > No, it's on the trunk as well:
 > 
 >    ~-0% cd ~/src/emacs/trunk/lisp/emacs-lisp/
 >    lisp/emacs-lisp-0% grep byte-optimize-pure-func byte-opt.el
 >    (put 'concat 'byte-optimizer 'byte-optimize-pure-func)
 >    (put 'symbol-name 'byte-optimizer 'byte-optimize-pure-func)
 >    (put 'regexp-opt 'byte-optimizer 'byte-optimize-pure-func)
 >    (put 'regexp-quote 'byte-optimizer 'byte-optimize-pure-func)
 >    (defun byte-optimize-pure-func (form)
 >    lisp/emacs-lisp-0% 
 > 
 > It's been that way since 2004-03-22.

So its only in CVS Emacs. 21.3, the last release, came out in 2003

It appears that byte-optimize-pure-func used to be called byte-optimize-concat

Nick