| http://www.w3.org/ns/prov#value | - A photosensitive composition is prepared comprising (a) a copolymer having an acid value of 10 to 100 and containing structural units represented by the following general formula I ##STR1## where R1 represents a hydrogen atom or methyl group, R2 represents a hydrogen atom, methyl group, ethyl group or chloromethyl group, and n is an integer of from 1 to 10, inclusive, and structural units represen
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