Inline Footnote definition does not work

When I write:
`tf^[Test File]`

It is not rendered as a footnote (just as literal tf^[Test File])

I have embedded this:
`<script src="https://cdn.jsdelivr.net/npm/@sy-records/docsify-footnotes/dist/index.min.js"></script> `

For this form it works:
```
tf[^1]

[^1]: Test File
```

But not for the "inline definition of a footnote"