[Trinidad][Facelets] tr:regionDef vs. ui:component

[Renzo Tomaselli <re...@tecnotp.it>]

Hi, I cross-post this topic since it's related to a comparison between
Facelets ui:component and Trinidad tr:regionDef.  
I use facelets with Trinidad and it works fine, with the exception that
ui:components are handled as text inclusion, so that they are not real first
class UI components and they cannot be conditionally included from java at
runtime.  
From tr:regionDef documentation it seems that regions are kind of components
too, so I wonder about comparing them vs. ui:components. Furthermore, are
regions "normal" components I can handle from java at runtime ?  
Thanks -- Renzo