EQNCHAR ... -wig for Maths Gurus

[Damian McGuckin]

.. and I fall short of that.

As I read this symbol, it is a minus sign with a wiggle or tilde on top.

The only copy of eqnchar that I have says this is the \(~= sign which
is the groff \[~=] which is two tilde's, one on top of the other.

I thought that -wig was supposed to be a minus sign with a tilde on top,
what groff calls \[|=].

Similarly, an equals sign with a tilde on top is what groff calls \[=~].
We could call it =wig.

Thanks - Damian

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