Question: Mysterious Exponents in Polynomials

Hello Folks ! I'm running Maple 11 on Mac OS X Leopard (latest version 10.5.6). I've found what I think is a bug in Maple: when doing operations on large polynomials, like multiplication or factorization, the result is correct, but some ghost exponents show up on fractions or even plus/minus symbols. In the file I've attached you will see this in the last two results, in which a 4 exponent shows up over the 1/8 and +/- signs or even over some parenthesis. Maple doesn't seem to get confused with these exponents, because substitution of values yields correct results, but causes big confusion to readers. Does it have something to do with the version of Java I'm using ?, If so which one is correct ?. Or, else, if this is a bug, is it corrected in Maple 12 ? I'll appreciate very much your valuable help. Jose MQ
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