Subject: Re: bug#39649: 27.0.60; tab-line doesn't scroll

From: Noam Postavsky <[email-masked]>
Date: Thu, 20 Feb 2020 20:34:23 -0500

Juri Linkov <[email-masked]> writes:

> I don't understand why Emacs doesn't support signed zero.
> For example in JavaScript: Math.sign(-0) => -0

It does, for floats (afaik, in JavaScript all numbers are floating
point).

    (copysign 1.0 -0.0) ;=> -1.0