Constructs the $:/UpgradeLibrary tiddler for the upgrade process.

The upgrade library is formatted as an ordinary plugin tiddler with the plugin type library. It contains a copy of each of the plugins, themes and language packs available within the TiddlyWiki5 repository.

This command is intended for internal use; it is only relevant to users constructing a custom upgrade procedure.

--makelibrary <title>

The title argument defaults to $:/UpgradeLibrary.

See the UpgradeMechanism for more details.