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I'm sorry to say that it doesn't work, even if I think I followed the correct procedure:
- Installed the plugin on a 1.5.2.20 version (very easy to install!)
- Activated the plugin
- Defined the default password ("test") in the plugin configuration.
- written a test article.
- inserted the plain {password} directive at the beginning of the article.
- Saved the article.
- Displayed the article, and in a correct way, no content is showed, only the password request ("Password protected content", "Please type the password to access the content") with the password field and the CHECK button.
- Inserted the correct password, and nothing changes, no test displayed.
- Inserted a wrong password, and no warning message is displayed.
- Tried with direct password definition with the directive {password pass="xxxxx" text="different request"}
- The password request changed according with the "text" parameter, but no change: no text displayed with correct password, no warning with wrong password.
- Tried to protect only part of the article with the directive {password}part of the article to protect {/password}.
- The unprotected part of the article correctly displayed, the protected part never displayed, no matter what the inserted password.

Steps I did trying to solve the problem:

- Changed the plugin position (default 0) in the plugin list. Tried with middle position, last position.

- Cleared the browser cache.

- Tried with Google Chrome and Firefox

I'm almost sure that the problem resides on my own installation, but this is the first plugin that refuses to work. I'm almost sure I made some mistake, but can't guess what it is.

What I don't like:

- no troubleshooting
- not evident the usage of the SQL syntax. Why should I use it? what's the utility?

Thank you, anyway, for writing this extension, I'm sure we'll succeed fixing the problem.