MP & \letterpercent

MP & \letterpercent

[Procházka Lukáš]

Hello,

why the MP code doesn't draw "%" and "#" when it uses TeX's \U - inside MP block?:

----
\def\T{TTT}
\def\U{UUU \letterpercent\letterhash}

\starttext
   \letterpercent
   \letterhash
   \par
   \startMPcode
     draw btex AAA etex;
     draw textext("\T");
     % draw btex \T etex; % Err
     draw btex \T{} etex; % OK
     draw textext("\U") shifted (2cm, 0); % Should draw "%" and "#" now - where is it?
   \stopMPcode
\stoptext
----

TIA for explanation.

Best regards,

Lukas


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Re: MP & \letterpercent

[Hans Hagen]

On 1/27/2013 10:05 PM, Procházka Lukáš wrote:
> Hello,
>
> why the MP code doesn't draw "%" and "#" when it uses TeX's \U - inside
> MP block?:
>
> ----
> \def\T{TTT}
> \def\U{UUU \letterpercent\letterhash}
>
> \starttext
>    \letterpercent
>    \letterhash
>    \par
>    \startMPcode
>      draw btex AAA etex;
>      draw textext("\T");
>      % draw btex \T etex; % Err
>      draw btex \T{} etex; % OK
>      draw textext("\U") shifted (2cm, 0); % Should draw "%" and "#" now
> - where is it?
>    \stopMPcode
> \stoptext
> ----
>
> TIA for explanation.

concerning the \T, just look at this:

\edef\crap{draw btex \T etex;} \show\crap

concerning the \U, use the next in order to prevent a % becoming a 
comment down the pipeline:

\unexpanded\def\U{UUU \letterpercent\letterhash}


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___________________________________________________________________________________
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
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archive  : http://foundry.supelec.fr/projects/contextrev/
wiki     : http://contextgarden.net
___________________________________________________________________________________