[texhax] macro help

[Philip TAYLOR]

Some missing \expandafters, Aditya.
Philip Taylor
-------
Aditya Mahajan wrote:

> I was testing whether it is possible to have macro name with numbers 
> and came across something surprising. The following works in plain tex
> 
> \def\csname street1\endcsname{First street}
> \def\tagentry#1{#1 \quad \csname #1\endcsname}
> 
> \tagentry{street1}
> 
> \bye
> 
> But the corresponding latex code
> 
> \documentclass{minimal}
> \def\csname street1\endcsname{First street}
> \def\tagentry#1{#1 \quad \csname #1\endcsname}
> 
> \begin{document}
> \tagentry{street1}
> \end{document}
> 
> gives
> 
> 
> ! Use of \csname doesn't match its definition.
> <argument> d
>              ocument
> l.6 \begin{document}
> 
> ?
> 
> The corresponding context code
> 
> \def{\csname street1\endcsname}{First street}
> \def\tagentry#1{#1 \quad \csname #1\endcsname}
> 
> \starttext
> \tagentry{street1}
> \stoptext
> 
> gives
> 
> ! Use of \csname doesn't match its definition.
> \doprocesscommalist ...after \def \csname \s!next
>                                                    \the \commalevel 
> \endcsnam...
> 
> \loadtwopassdata ...passlists ]\doloadtwopassdata
>                                                    \globallet 
> \alltwopassdata...
> <inserted text> \loadtwopassdata
>                                   \resetutilities \globallet 
> \ignorerestoftex...
> 
> \doateverystarttext ->\the \everystarttext
>                                             \global \everystarttext 
> \emptytoks
> \starttext ->\doateverystarttext
>                                   \ifnum \textlevel =\zerocount 
> \registerfile...
> l.4 \starttext
> 
> 
> Do latex and context redefine the meaning of \def or \csname?
> 
> Aditya
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