Alex Ionescu

**IMPORTANT**: PRs without the template will be CLOSED ### Description of your *pull request* and other information Call `os.makedirs` with `exist_ok=True`, rather than performing a separate check with `os.path.exists`. This...

Add nushell-specific commands to Xsession and wayland-session

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Add special cases in `Xsession` and `wayland-session` to load nushell's login environment if the user's shell is `nu`.

On the error details page, code blocks (for file name, error message, and before/after code) don't respect the screen width on mobile devices, as can be seen in the following...

`export const` with a type signature causes `Internal error: failed to find added variable`

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### Describe the bug Declaring an `export const` with a type signature inside a module results in an `Internal error` being thrown with the message `failed to find added variable`....

Show `?` for optional entries when displaying `CellPath`s

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# Description This PR makes the `Display` implementation for `CellPath` show a `?` suffix on every optional entry, which makes the output consistent with the language syntax. Before this PR,...