This is quite a simple page to demonstrate how links work
There is a bunch of placeholders that are will automatically replaced in any generated (textual) output. Hence one may use them in any template, CSS or JavaScript file. The replacement happens in WBResonse_HTTP right before the output is send. WBResonse_HTTP implements an output filter that does the job, still you can add custom filters as well
Those placeholders follow the same scheme. They always start with
two brackets [[, continue with CAPITAL LETTERS
(there might be some underscore _ but no other characters)
and finally end with two closing brackets ]].
Example: [[DOCROOT]]
Here is a list of placeholders that are replaced automatically.
The following links show hot to use request parameters to overwrite some configuration options. In this case, the configuration option "tmpl" get overridden by the request parameter "main/tmpl&uot;