On 9/27/2025 1:52 PM, Damien Thiriet via ntg-context wrote:
l:=\MPvar{début}-\MPvar{fin};
\setupMPvariables[Frise][début={-900}]
\setupMPvariables[Frise][fin={-800}]
> What is the problem here?
In addition to Wolfgangs answer, just think of what MP sees here:
l:=--900--800;
and with -- being a path constructor, you actually want
l := - -900 - -800 ;
so spaces help here
Hans
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