Perform xpath function on an xform output node -


i've got xform output element references "time" node in model contains string "00:12:34,567". i'd text of output element substring "00:12:34". didn't quite expect work maybe you'll i'm trying do.

<xf:output ref="substring-before(//time[1],',')">     <xf:label>time</xf:label> </xf:output>

a ref attribute pointing atomic value should work per xforms 2.0, maybe implementation doesn't support feature yet. try use value attribute, more appropriate here anyway:

<xf:output value="substring-before(//time[1],',')">     <xf:label>time</xf:label> </xf:output>

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