Thread:Project:Support desk/Is echo reserved word as a template parameter?

Using: MediaWiki, 1.16.0. PHP 5.3.3 (apache2handler)

I created a simple template that takes one parameter. It works fine until I pass it a parameter that starts with "echo", like this:

or just

The word "echo" prevents the page from being saved. This workaround seems to work:

but it's hard to remember for the wiki users. Why is echo reserved word? Is there any more elegent workaround for that? Are there more reserved words?