[jboss-user] [JBoss Seam] - @debug@ - what does this do exactly?

Not understanding the @...@ syntax below. Plz explain... thx. <?xml version="1.0" encoding="UTF-8"?> | <components xmlns="http://jboss.com/products/seam/components" | xmlns:core="http://jboss.com/products/seam/core" | xmlns:persistence="http://jboss.com/products/seam/persistence" | xmlns:drools="http://jboss.com/products/seam/drools" | xmlns:bpm="http://jboss.com/products/seam/bpm" | xmlns:security="http://jboss.com/products/seam/security" | xmlns:mail="http://jboss.com/products/seam/mail" | xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | xsi:schemaLocation= | "http://jboss.com/products/seam/core http://jboss.com/products/seam/core-2.0.xsd | http://jboss.com/products/seam/persistence http://jboss.com/products/seam/persistence-2.0.xsd | http://jboss.com/products/seam/drools http://jboss.com/products/seam/drools-2.0.xsd | http://jboss.com/products/seam/bpm http://jboss.com/products/seam/bpm-2.0.xsd | http://jboss.com/products/seam/security http://jboss.com/products/seam/security-2.0.xsd | http://jboss.com/products/seam/mail http://jboss.com/products/seam/mail-2.0.xsd | http://jboss.com/products/seam/components http://jboss.com/products/seam/components-2.0.xsd"> | | <core:init debug="@debug@" jndi-pattern="@jndiPattern@"/> View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4122326#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...