I don’t know what happened to my last reply but it should have been this. I’m not sure about this but I suspect that it doesn’t involve parsing. It’s likely that the metapost expects a parameter or parameters to be passed to it which it then assigns to the variable Q in its own procedure. It won’t care what the calling program calls it. I think the arrowhead is probably defined within an arrow class (arrow.h perhaps). Dave Clucas dave.clucas@icloud.com Exploring the World - One cave at a time
On 31 Mar 2018, at 18:00, therion-request@speleo.sk wrote:
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Today's Topics:
1. Re: scaling line ornamentation - metapost (Bruce Mutton) (Dave Clucas)
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End of Therion Digest, Vol 147, Issue 32 ****************************************