bug#21568: [PATCH] Add prettify-symbols-alist for js-mode

[Eli Zaretskii]

> Date: Sat, 26 Sep 2015 13:49:48 +0200
> From: Simen Heggestøyl <simenheg@gmail.com>
> 
> With the introduction of the fat arrow (=>) function notation in
> ECMAScript 6, why not make them prettier by default when
> prettify-symbols-mode is turned on?
> 
> I propose the following patch, which also adds pretty versions of >=
> and <= while we're at it:

Thanks, but please add a coding cookie to the file, so that UTF-8
encoded characters in it will always decoded correctly.