Fix date format incompatibilities due to Dojo widget submitting iso8601
formatted dates -- which old code handled poorly; working around that.
(grafted from 8d40cb2b1bf2b0a0f4a658c7171c3d627c20422a)

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extra : source : 8d40cb2b1bf2b0a0f4a658c7171c3d627c20422a