Classes for spacing are not generated?

[dvlden]

What version of @tailwindcss/jit are you using?

0.1.1

What version of Node.js are you using?

15.7.0

What browser are you using?

Chrome

What operating system are you using?

macOS

Reproduction repository

I do not have one, I just applied JIT on the client's project.

I am using the following package:
TailwindCSS NuxtJS

From that package, I was able to fetch the information of the jit version being used.

However, when jit is enabled, I lose all spacing classes. By spacing classes I mean:
space-x-*, gap-*

In this example, gap-5 is applied and it's no longer working. It's not generated.

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Same here, however, space-x-6 has been applied.

Is this known issue that I'm not aware of? I tried searching and nothing came up.

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Interesting thing to note is that space-y-* is working on the other hand. So I don't understand!