Alan Do you know why HsTypes.ppr_mono_ty contains any uses of 'maybeParen'? Shouldn't the parens all be put in by HsParTy? I tripped over this when I mistakenly added what I thought were missing maybeParen calls for HsAppTy and HsAppTys, but that was flagged as an error by a test in tests/printer. So why are there /any/ maybeParen calls? Simon
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