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


From: Noam Postavsky
Subject: bug#39649: 27.0.60; tab-line doesn't scroll
Date: Thu, 20 Feb 2020 20:34:23 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)

Juri Linkov <address@hidden> 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





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