look at http://jre.us.oracle.com/java/re/javafx/2.0/promoted/latest/docs/api/

choose javafx.animation package, Animation class.
fragment of setRate method documentation:
"... at which the @@code Timeline is expected..."

this documentation is "inherited" from 'rate' property. in 'rate' property description, same text fragement looks fine:
"... at which the Timeline is expected..."

so, '@code' markup present in javadoc processed improperly for "inherited" documentation.