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/email.html b/user_guide/libraries/email.html
index bc6bd9d..d4990df 100644
--- a/user_guide/libraries/email.html
+++ b/user_guide/libraries/email.html
@@ -250,7 +250,7 @@
<p>The Email sending function. Returns boolean TRUE or FALSE based on success or failure, enabling it to be used
conditionally:</p>
-<code>if (! $this->email->send())<br />
+<code>if ( ! $this->email->send())<br />
{<br />
// Generate error<br />
}</code>