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Re: what would cause a symbol not to clear using Clear[name] or Remove[name]?

• To: mathgroup at smc.vnet.net
• Subject: [mg127246] Re: what would cause a symbol not to clear using Clear[name] or Remove[name]?
• From: John Doty <noqsiaerospace at gmail.com>
• Date: Wed, 11 Jul 2012 02:19:03 -0400 (EDT)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com
• Delivered-to: mathgroup-newout@smc.vnet.net
• Delivered-to: mathgroup-newsend@smc.vnet.net
• References: <jtd3al$9fq$1@smc.vnet.net>

Beware of upvalues:

f_[whoCalled] ^:= f

whoCalled=me

Clear[whoCalled]
Clear

whoCalled
me