On Thu, Mar 5, 2009 at 12:09 PM, Wolfgang Schuster
<schuster.wolfg...@googlemail.com> wrote:
>
> Am 05.03.2009 um 01:17 schrieb luigi scarso:
>
>> \starttext
>> %%% TeX version
>> \bTABLE
>> \dorecurse{5}
>> {\bTR\expandafter \bTD \recurselevel. \eTD\expandafter
>> \bTD \recurselevel \eTD\eTR}
>> \eTABLE
>>
>> \dorecurse{2}
>> {\recurselevel. \recurselevel\crlf}
>
> And you think it's a good idea to use \expandafter in your document?
TeX version, not context ... :)
btw
\expandafer is not so bad, if used moderatly .
>
> \expanded is the tool for users to get this result without knowledge
> about TeX internals and expansion, this is from core-ntb:
>
> % permits \expanded{\bTD ... \eTD}
>
> \unexpanded\def\eTR{}
> \unexpanded\def\eTD{}
> \unexpanded\def\eTH{}
> \unexpanded\def\eTN{}
yes, of course one need to know about \expandafter... so is not so different .
But it's context style.
>
>> %%% luatex version
>> \startluacode
>> tprint = function(s) tex.sprint(tex.ctxcatcodes,s) end
>> tprint('\\bTABLE')
>> for j = 1,5 do
>> tprint('\\bTR')
>> tprint('\\bTD' .. j .. '.' .. '\\eTD' .. '\\bTD' .. j .. '\\eTD')
>> tprint('\\eTR')
>> end
>> tprint('\\eTABLE')
>> \stopluacode
>> \stoptext
>
> Nice solution and real alternative for package writers to avoid \expandafter
> and \expanded but nothing for a normal user, I should keep this in my mind.
Are you sure ?
What is a normal user ?
As soon as you use \dorecurse , you become a programmer .
And sooner or later, everyone become a programmer, because it's
impossible to write a format that satisfied
all your needs .
--
luigi
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the
Wiki!
maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage : http://www.pragma-ade.nl / http://tex.aanhet.net
archive : https://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
