2018 comment: This documentation is basically completely wrong. The preview theme feature has been complete for years.
preview_design module hooks - Hooks created by preview_design module
- These hooks allow new users to try out various themes before they finalize their decision.
- NOTE: this feature is not finalized yet.
hook_preview_design_themes
Parameters:
none
Returns:
array(
'theme_machine_readable_name' => 'Human Readable name'
);
Description:
Retrieve a list of themes that users can switch between.