[Therion] Can't symbol-assign line rope

[Tarquin Wilton-Jones]

Hi Evaristo,

> I have modified a little the line rope symbols SKBB, making a new
> "l_rope_ECMB".
> 
> But I can't assign the new symbol.

Correct, you can't.

I have a workaround for this here:
https://therion.speleo.sk/wiki/metapost#simplified_rope_lines

You have to redefine the rope line instead.

Cheers

Tarquin