On 4/9/2026 10:39 PM, Wolfgang Schuster wrote:
Hi,
what's the recommended way to make global changes to metapost commands
which use the new luametafun interface?
Below is a simple example with lmt_text with the method I use for my own
command.
\starttext
\startMPcode
draw lmt_text [ text = "Dummy" ];
\stopMPcode
\startMPcalculation
setparameters "text" [ color = "red" ];
\stopMPcalculation
\startMPcode
draw lmt_text [ text = "Dummy" ];
\stopMPcode
\stoptext
definitions (once)
inclusions (so that you can chnage in the meantime)
\starttext
\startMPcode
draw lmt_text [ text = "Dummy" ];
\stopMPcode
% \startMPdefinitions
% setparameters "text" [ color = "red" ];
% \stopMPdefinitions
\startMPinclusions
setparameters "text" [ color = "red" ];
\stopMPinclusions
\startMPcode
draw lmt_text [ text = "Dummy" ];
\stopMPcode
\startMPinclusions
setparameters "text" [ color = "green" ];
\stopMPinclusions
\startMPcode
draw lmt_text [ text = "Dummy" ];
\stopMPcode
\startMPinclusions
setparameters "text" [ color = "blue" ];
\stopMPinclusions
\startMPcode
draw lmt_text [ text = "Dummy" ];
\stopMPcode
\stoptext
Hans
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