[wp-hackers] Less than Core, More than Plugins/Themes: Proposing Optional Modules.

[scribu]

For auto-install of dependencies, there are two ways, not very complicated
since WP 2.7:

1. Each child plugin has some code that checks if dependencies are met and
shows a message to auto-install them.

2. The core has an API for plugin and theme dependencies. This functionality
could not be dismissed as "too specialized".

Nr. 2 could stem from nr. 1, if a lot of child-plugins emerge.

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