On 17 mrt 2009, at 20:14, Mojca Miklavec wrote:

> On Tue, Mar 17, 2009 at 13:19, Hans van der Meer wrote:
>> In mkii this could be used to add material to metapost runs:
>> \startMPinclusions[+]
>> .....
>> \stopMPInclusions
>>
>> This stopped working in the latest stable version I have seen:
>> ConTeXt  ver: 2008.10.31 13:58 MKIV  fmt: 2008.12.17
>>
>> Is it already fixed? Or can a quick patch be given?
>
> What does the [+] do? I usually put multiple \startMPinclusions and
> they are all respected (at least it mkii; in mkiv they were not, but
> Hans probably fixed something in this respect two weeks ago; I did not
> have a chance to test that yet).
>
> Mojca

In january 2006 Hans Hagen wrote to me about the following he promised  
to include. Could it be this has been forgotten in the mean time?

> Hans van der Meer wrote:
>
>> I thought to incrementally add to MPinclusions by successive blocks
>>
>> \startMPinclusions
>> ......
>> \stopMPinclusions
>>
>> \startMPinclusions
>> ......
>> \stopMPinclusions
>> etc.
>>
>> But according to the generated mp-file it seems to incorporate the   
>> last one only.
>> Is this correct and if so, is it an option to allow appending in  
>> the  above manner?
>> Or will that be too difficult to build.
>
>
> (patch supp-mps.tex)
>
> \def\startMPinclusions
> {\dosingleempty\dostartMPinclusions}
>
> \long\def\dostartMPinclusions[#1]#2\stopMPinclusions % document wide
> {\doifelse{#1}{+}
>    {\@EA\long\@EA\def\@EA\theMPinclusions\@EA
>       {\theMPinclusions
>        \writeMPgraphic{#2}}}
>    {\long\def\theMPinclusions
>       {% \expanded !
>        \@EA\expanded\@EA{\@EA\writeMPgraphic\@EA{\the\MPextensions;}} 
> % new
>        \writeMPgraphic{#2}}}}
>
> \def\MPinclusions
> {\dosingleempty\doMPinclusions}
>
> \long\def\doMPinclusions[#1]#2%
> {\startMPinclusions[#1]#2\stopMPinclusions}
>
> now you can say
>
> \startMPinclusions[+] ....
>
> i'll add this feature
>
> Hans
> _______________________________________________