From mboxrd@z Thu Jan  1 00:00:00 1970
From: Carsten Dominik <carsten.dominik@gmail.com>
Subject: Re: Bug: named columns in tables not working if name contains "_"
Date: Tue, 23 Aug 2011 16:08:25 +0200
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To: nicholas.dokos@hp.com
Cc: =?us-ascii?Q?=3D=3FISO-8859-1=3FQ=3FAndr=3DE1s=5FMajor=3F=3D?= <andras.g.major@gmail.com>, emacs-orgmode <emacs-orgmode@gnu.org>


On Aug 23, 2011, at 3:53 PM, Nick Dokos wrote:

> Andr=E1s Major <andras.g.major@gmail.com> wrote:
>=20
>=20
>> Yet another one I just stumbled across: if I create a table and use
>> "!" in the first column to assign names to the columns, I can only
>> reference those columns by name in #+TBLFM: if the names don't =
contain
>> a "_" character.  This isn't mentioned in the docs and shouldn't be
>> so, IMHO.  I haven't checked for other common characters that are
>> prohibited, but the "_" bites me quite a bit.
>>=20
>=20
> Try adding an underscore to the regexp on line 2179 of org-table.el -
> something like this (untested):
>=20
>          ...
> 	  (if (string-match "^[a-zA-Z][a-zA-Z0-9_]*$" name)
> 	      (push (cons name (int-to-string cnt)) =
org-table-column-names))))
>=20
>=20
> The only characters permitted are alphanumerics. That can probably be
> easily relaxed.

Hi Nick, I don't think it can be easily relaxed.  Many other characters =
are
operators in Calc and would lead to confusion.

But amending the docs is certainly a good idea.

Thanks

- Carsten