| http://www.w3.org/ns/prov#value | - Yet another embodiment of the present invention is a method of converting a conventional leuco dye to a colored composition by exposing the leuco dye admixed with a radiation transorber to certain wavelengths of electromagnetic radiation After definitions of various terms used herein, the pre-dye of the present invention and methods of developing color using the same are described in detail, follo
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