This [teacup] subcommand fetches and installs a [package] for you.

It is important to note that there is a syntactical distinction between
installing a package (aka an extension), and an application.

For example:

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$ teacup install sqlite3
======

is what you would type to install a package.

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$ teacup install tkcon -is application
======

is what you would type to install an application like [tkcon].

'''SPECIAL NOTE'''

If you are wanting to use teacup to install [tcllib], it too takes the
special syntax:

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$ teacup install tcllib -is profile
======

This is because tcllib is '''NOT''' a package - it is a collection of
packages.

If you are wanting to install the [batteries included] set of packages
that came with ActiveTcl 8.4 (and to some degree, earlier), then you would
use

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$ teacup install ActiveState::ActiveTcl -is profile
======

Now, some people may find they need to run [teacup timeout] to lengthen
the amount of time teacup waits for completion. And others may need to look
into teacup's ''-proxy'' argument.

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