Read docs/CAPTCHA.english.txt for a detailed description of the CAPTCHA configuration options.
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How to enable the CAPTCHA system:
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The CAPTCHA System is enabled by default.
-- Advanced control of the CAPTCHA system ----------------
You can control the CAPTCHA system in your config.php with
the following configuration variables:
- $cache_enable = 1;
A value of 1 enables the CAPTCHA system, 0 disables it.
Default value is 0.
- $captcha_enable_comments = 1;
A value of 1 enables the CAPTCHA system for the comments
form, 0 disables it.
Default value is 1.
That doesnt give much help on how to configure it
unless 4images 1.7.3 are for DEVELOPERS and PHP GURUS only ?
simple: where do we change and configure the CAPTCHA and where in config.php to add/alter/delete code ?