Re: [PATCH] Add prettify symbols to python-mode

[Eli Zaretskii]

> From: David Kastrup <address@hidden>
> Cc: address@hidden,  address@hidden,  address@hidden
> Date: Wed, 23 Sep 2015 21:39:45 +0200
> 
> > I thought by "working with Elisp data in C" you meant using Lisp data
> > structures passed to C functions, in which case the following is what
> > I had in mind (where 'value' is some Lisp data type):
> >
> >   if (EQ (value, Qunspecified) || (EQ (value, QCignore_defface)))
> >     return Qt;
> >   else if (EQ (attribute, QCheight))
> >     return INTEGERP (value) ? Qnil : Qt;
> >   else if (CONSP (value) && EQ (XCAR (value), QCwhatever))
> >     return XCDR (value);
> >   else
> >     return Qnil;
> 
> Which is supposed to resemble perfectly ordinary C code or perfectly
> ordinary Lisp code?

No, it's supposed to be mnemonically easy to understand and write.
And yes, it's reasonably close to ordinary C code, IMO.

> You can call it a "non-issue" all you like, but it is limiting the
> number of people comfortable working with the Emacs C core.  As long as
> Emacs is expressive enough outside of the core, that's not really
> limiting its usefulness all that much, but for things like new window
> systems, one clearly cannot get around investing into C.

I don't see it that way, but in any case, people should try overcoming
that obstacle.  It's not very hard.