Re: TeX trigger in MP macro

[Peter Rolf <indiego@gmx.net>]

Taco Hoekwater wrote:
> 
> Peter Rolf wrote:
>> BTW: Why do I need a semicolon after 'endgroup', but (in most cases) not
>> after 'fi', 'endfor'?
> 
> You need a semicolon at the end of a statement. The <if> and <loop>
> constructs are not statements, they are preprocessed.
> 
> You get the 'extra tokens' error when Metapost sees something like
> 
> 	endgroup a:=1;
> 
> because it knows that 'endgroup' can only be a statement on its own.
> 
I see. A day of insight :)

>>> (I just looked at your pdf document).
>>>
>>> You probably want 'useMPgraphic' instead of 'uniqueMPgraphic'.
>>>
>> I'm not sure what you mean. Using 'useMPgraphic' to load all kind of MP
>> graphics?
> 
> You have to use \startuseMPgraphic and \useMPgraphic instead of
> \startuniqueMPgraphic, otherwise the output of both images will be
> identical.
> 
Again stupid me. If the size of the overlay does not change, the graphic
does not. So this was a 'bad' example (but now the beta runs like a
charm). Thanks Taco.

Greetings, Peter

> Cheers, Taco
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