Re: ! Extra \else error

["Zhichu Chen" <zhichu.chen@gmail.com>]

Hi Bart

On Thu, Dec 11, 2008 at 9:50 PM, Bart C. Wise
<bntgcontext@wiseguysweb.com> wrote:
> When I run the code below (via minimals), I get the following error, why?
>
> enter loop
>
> ! Extra \else.
>
> \@@plniterate ...\expandafter \@@plniterate \else
>
> \fi
>
> \myloop ...by 1 \ifnum \tempcnta >#1\else \repeat

I think the loop structure should be:
\loop ... \if...  ... \repeat

>
> \fi \message {exit}
>
> l.16 \myloop{2008}
>
> Code:
>
> \newcount\startcnt
>
> \newcount\tempcnta
>
> \def\myloop#1{%
>
> \message{enter}
>
> \tempcnta=\the\startcnt%
>
> \loop
>
> \message{loop}
>
> \advance \tempcnta by 1
>
> \ifnum\tempcnta>#1\else \repeat\fi
>
> \message{exit}
>
> }
>
> \starttext
>
> \startcnt=1800
>
> \myloop{2008}
>
> \stoptext
>
> Thanks,
>
> Bart
>
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-- 
Best Regards
Chen
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          Zhi-chu Chen | Shanghai Synchrotron Radiation Facility
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