In Maple 10 (patched to 10.03), there seems to be a bug in Typesetting[Suppress] when the function name is a Greek letter name. For instance the code interface(typesetting=extended): Typesetting[Suppress](eta(x)): diff(eta(x),x) = eta(x); should typeset like   η' = η or perhaps    d η / d x = η (depending on your "prime" settings). But one actually sees    η' = eta which is incorrect, or at least inconsistent and unexpected. More careful tests show that the whole Greek alphabet is affected similarly, apart from pi and zeta, which are handled slightly differently though still incorrectly. Is there any workaround for this?

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