Claus Colloseus

On Windows, only "{value}" quotes are known. See http://ss64.com/nt/syntax-esc.html. '{value}' is only defined in Unix/Linux shells.

I just spelled out a static solution on SO: https://stackoverflow.com/a/47801536/4996779

Support has been added now to mainline FF [v128](https://www.mozilla.org/en-US/firefox/128.0/releasenotes).