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Richard Mansfield authored
If a pieform is built after a call to the smarty function, elements that a pieform element wants to put into <head> (usually js files) may be omitted and it can be hard to track down the cause of these errors. This patch will produce a warning (intended for the programmer) if a pieform element that defines the _get_headdata() function is built after the smarty function has already been called. Change-Id: Icf120242f521d4324548ac84228fea54d75eab8c Signed-off-by: Richard Mansfield <richard.mansfield@catalyst.net.nz>
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