[pro] The Best Examples of "Code is Data"

[Daniel Weinreb]

Scott L. Burson wrote:
> On Thu, Sep 9, 2010 at 8:26 AM, Daniel Weinreb <dlw at itasoftware.com> wrote:
>   
>> One of the very first things you want when
>> you start writing macros is for auto-indentation
>> to do the right thing.  The IDE can't just
>> know this for a macro.
>>     
>
> Huh.  I always thought Zmacs did an adequate job of this.  Just know
> what &BODY means and give me COM-INDENT-DIFFERENTLY for special cases,
> and I'm pretty happy.
>   
Yes, Zmacs knew about &rest, as does our stuff at ITA.
That automatically notes that the symbol name is
of the form  (a b c ... . rest), usually just (a .rest).
> (Dan will of course know what I'm referring to, but for everyone else,
> the Zmacs command COM-INDENT-DIFFERENTLY -- bound to C-Tab, if memory
> serves -- could be used to manually cycle through a series of
> alternate indentation points for the current line.
Oh, I forgot about that one!  I probably didn't write
it.  There are a few gems in the Symbolics code
that would be nice to extract.
>   I'm not aware of
> an equivalent command having been implemented for GNU Emacs.)
>
> -- Scott
>   
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