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# Description This PR adds an indicator when listing subcommands. That indicator tells whether the command is a plugin, alias, or custom_command.  I changed some of the API to make this work a little easier, namely `get_signatures()` is now `get_signatures_and_declids()`. It was used in only one other place (run-external), so I thought it was fine to change it. There is a long-standing issue with aliases where they reference the command name instead of the alias name. This PR doesn't fix that bug. Example. ```nushell ❯ alias "str fill" = str wrap ``` ```nushell ❯ str ... other stuff Subcommands: str wrap (alias) - Alias for `str wrap` str wrap (plugin) - Wrap text passed into pipeline. ``` # User-Facing Changes Slightly different output of subcommands.
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.