On Thu, Jul 23, 2009 at 5:52 PM, Aditya Mahajan <adityam@umich.edu> wrote:

> On Thu, 23 Jul 2009, Wolfgang Schuster wrote:
>
>
>> Am 23.07.2009 um 17:05 schrieb Aditya Mahajan:
>>
>>  I think an easier thing to do will be to follow latex's style of
>>> \newcommand and \renewcommand. That is, all \definecommands should check if
>>> the macro is previously defined or not. If it is defined, issue a warning or
>>> an error.
>>>
>>
>> There is \define and \redefine.
>>
>
> I know. What I am asking is that the core macros like \definedescription,
> \defineitemgroups, \definehead, which have the general form
>
> \def\defineSOMETHING%
>  {\dodoubleargument\dodefineSOMETHING}
>
> \def\dodefineSOMETHING[#1][#2]%
>  {\setvalue{#1}{\dododefineSOMETHING[#2]}
>
> should do some check before the \setvalue. Maybe a universal solution will
> be to change \setvalue so that it uses \define (or a check like define)
> internally.

Or maybe
\Usersetvalue
I  think to an "user-space"
and a "kernel-space"

-- 
luigi