Note that if you just changed post page to protection you have to save once so that the extra field appears...
The meta box where you can add your passwords to...
Upload the zip to the wp-content plugins directory.
Activate the plugin through 'Plugins in WordPress.
Edit the post or page you want to protect with multiple passwords.
When you set password and save once, the field to add multiple passwords will appear in the top right corner.
First set one password, then save once and you´ll see the extra field where you can add the passwords..
We decided to not show the extra metabox if there is no password set so it does not clutter the interface...
To activate the the password section, just password protect the page as usual and save it, then you'll see box above that section, become available to enter additional passwords...
Browse the code, check out SVN repository, or subscribe to the development log by RSS...
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