fixed bug #3419 where the 'database' setting for DSN connections was using the host portion of the URL instead of the path.
Added ability to set other db config values in DSN connections via query string
diff --git a/user_guide/database/connecting.html b/user_guide/database/connecting.html
index ee2d8c0..bc4b2e7 100644
--- a/user_guide/database/connecting.html
+++ b/user_guide/database/connecting.html
@@ -117,8 +117,11 @@
<br />
$this->load->database(<samp>$dsn</samp>);</code>
-<p>Note that if you use a DSN you will not be able to specify some of the default values like you can if you use a connection array.</p>
+<p>To override default config values when connecting with a DSN string, add the config variables as a query string.</p>
+<code>$dsn = 'dbdriver://username:password@hostname/database?char_set=utf8&dbcollat=utf8_general_ci&cache_on=true&cachedir=/path/to/cache';<br />
+<br />
+$this->load->database(<samp>$dsn</samp>);</code>
<h2>Connecting to Multiple Databases</h2>