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# Description Add content type metadata to the output of `view source`. I've gone along with the mime type used [here][xdg], but this shouldn't be merged until there is consensus #13858. `to nuon`'s output has content type `application/x-nuon` [xdg]: https://gitlab.freedesktop.org/xdg/shared-mime-info/-/merge_requests/231 # User-Facing Changes Combined with `metadata access`, allows richer display_output hooks. Might be useful with other commands that make use of content_type like the `http` commands.
Nushell core libraries and plugins
These sub-crates form both the foundation for Nu and a set of plugins which extend Nu with additional functionality.
Foundational libraries are split into two kinds of crates:
- Core crates - those crates that work together to build the Nushell language engine
- Support crates - a set of crates that support the engine with additional features like JSON support, ANSI support, and more.
Plugins are likewise also split into two types:
- Core plugins - plugins that provide part of the default experience of Nu, including access to the system properties, processes, and web-connectivity features.
- Extra plugins - these plugins run a wide range of different capabilities like working with different file types, charting, viewing binary data, and more.