Some sweeping syntax changes for consistency:
(! foo) changed to ( ! foo)
|| changed to OR
changed newline standardization code in various places from preg_replace to str_replace
diff --git a/user_guide/libraries/encryption.html b/user_guide/libraries/encryption.html
index c8773f2..25cb515 100644
--- a/user_guide/libraries/encryption.html
+++ b/user_guide/libraries/encryption.html
@@ -140,7 +140,7 @@
<p>Please visit php.net for a list of <a href="http://php.net/mcrypt">available ciphers</a>.</p>
<p>If you'd like to manually test whether your server supports Mcrypt you can use:</p>
-<code>echo (! function_exists('mcrypt_encrypt')) ? 'Nope' : 'Yup';</code>
+<code>echo ( ! function_exists('mcrypt_encrypt')) ? 'Nope' : 'Yup';</code>
<h2>$this->encrypt->set_mode();</h2>