should be D := instead of D : =

On Tue, Feb 25, 2020 at 2:35 PM Jan-Erik Hägglöf <janerik.hagg...@bahnhof.se>
wrote:

> The following code gives an error, my goal is to draw 4 different arrows
> but only three functions successfully.
>
> The error log shows
>
> metapost        > initializing number mode 'scaled'
> metapost log    >
> metapost log    > loading metafun, including plain.mp version 1.004 for
> metafun iv and xl
> metapost log    >
> metapost log    > >> unknown path D
> metapost log    > ! Isolated expression.
> metapost log    > <to be read again>
> metapost log    >                    :
> metapost log    > <*> ... :=(12cm, -1cm)--(11cm, -1cm); path D ; D :
> metapost log    >
>  =(4cm, -1cm)--(3cm, -1cm)...
> metapost log    >
>
> And the code is as follows
>
> \startMPcode
> path A ; A :=(0cm, -1cm)--(1cm, -1cm);
> path B ; B :=(13.5cm, -1cm)--(14.5cm, -1cm);
> path C ; C :=(12cm, -1cm)--(11cm, -1cm);
> path D ; D : =(4cm, -1cm)--(3cm, -1cm);
> drawarrow A; drawarrow B; drawarrow C ; drawarrow D ;
> \stopMPcode
>
> Unless I uncomment D it gives the above error.
>
> Mysterious issue
>
> /Janne
>
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-- 
Todas as coisas fatigam o corpo, salvo a música, que não fatiga nem o corpo
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Kunnâsh al-Hâ'ik (Cancioneiro de al-Hâ'ik)
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