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Re: [O] Bug: named columns in tables not working if name contains "_"


From: Carsten Dominik
Subject: Re: [O] Bug: named columns in tables not working if name contains "_"
Date: Tue, 23 Aug 2011 16:49:33 +0200

On Aug 23, 2011, at 4:32 PM, Nick Dokos wrote:

> Carsten Dominik <address@hidden> wrote:
> 
>> 
>> On Aug 23, 2011, at 3:53 PM, Nick Dokos wrote:
>> 
>>> András Major <address@hidden> wrote:
>>> 
>>> 
>>>> 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.
>>>> 
>>> 
>>> Try adding an underscore to the regexp on line 2179 of org-table.el -
>>> something like this (untested):
>>> 
>>>         ...
>>>       (if (string-match "^[a-zA-Z][a-zA-Z0-9_]*$" name)
>>>           (push (cons name (int-to-string cnt)) org-table-column-names))))
>>> 
>>> 
>>> 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.
>> 
> 
> So add more syntax: formulas can use {this+is-a*/address@hidden
> 
> OK, ok - just kidding.
> 
> Thanks,
> Nick
> 
> PS. This is a paraphrase of the indirection principle: Any problem can
>    be solved by adding yet another layer of syntax...

:) Yes, true!
- Carsten






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