You can't use property expressions with component parameters You should try
<t:delegate to='block:fromContents'/> regards Taha On Apr 21, 2013, at 6:56 PM, Todd Orr wrote: > Why does this throw an exception? > > <t:if test="prop:title"> > > <t:delegate to="${block:formContents}" /> > > <p:else> > > <fieldset> > > <legend>${title}</legend> > > <t:delegate to="${block:formContents}" /> > > </fieldset> > > </p:else> > > </t:if> > > > Removing the second block delegate attempt works, but obviously doesn't > display the content. This fails the test of least surprise.