escaping - JSF: How to let #{...} expansion not be escaped? -

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i have custom el function (defined in myfunctions.taglib.xml) returns chunk of html, want copy verbatim output, 

<f:verbatim>     #{mylib:generatehtml()} </f:verbatim>

however, expansion of #{...} escaped. how make not escaped?

i believe there option escape characters verbatim.

<f:verbatim escape="#{boolean}" />

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