On Nov 20, 2010, at 6:58 PM, Matthias Felleisen wrote: > > On Nov 20, 2010, at 9:01 PM, Greg Hendershott wrote: > >> But I didn't get the >> impression that all or even most of the macro techniques were >> unhygienic. > > > Hygiene is a technical term. The idea is roughly that > the __macro system__ (as a whole) should respect the > lexical structure of your program. That is, by default > no programmer should be able to accidentally write a > macro that messes up lexical bindings in a subtle way.
Dave Herman mentioned this to me some time ago, and my immediate response was this: okay, if the term "hygiene" refers to a macro system and not to a macro, then *what word* should we use to describe macros that violate transparency? "non-transparent"? John
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