From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <n.goaziou@gmail.com>
Subject: Re: words starting with call_ confuse C-c C-c and export
Date: Mon, 16 Dec 2013 17:58:42 +0100
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To: Eric Schulte <schulte.eric@gmail.com>
Cc: emacs-orgmode@gnu.org

Hello,

Eric Schulte <schulte.eric@gmail.com> writes:

> Nicolas Goaziou <n.goaziou@gmail.com> writes:

>> It would solve the current problem, but there are still many problematic
>> characters allowed (e.g., commas, curly brackets). I think there's no
>> point in allowing "call_{i=1}()" as a valid inline Babel call.
>>
>> Furthermore, I don't think it's a real limitation to use alphanumeric
>> characters (and hyphen) only for a function name. I would even require
>> an alphabetic character as the first char, to avoid calls like:
>> "call_1()".
>>
>
> I often use "/" in function names, and in general I'd prefer not to
> remove characters (e.g., "{") unless there is a specific reason.

I think there's a specific reason to disallow naming a function "{i=1}":
it is too close to underline syntax. We should make syntax less prone to
ambiguity (see recent thread about underline and subscript) ; this
doesn't help. Think also about call_~my-verbatim-function-name~(),
call_@@latex:my-export-snippet@@()...

We're talking about function names, not free-form text, so limitations
are understandable. For example, macro names only allow alphanumeric
characters or hyphens and have to start with an alphabetic character.

I suggest to select a few symbols allowed in names (e.g., "/") as
a starter. It is always possible to discuss on a case by case basis if
other symbols should be added.


Regards,

-- 
Nicolas Goaziou