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bug#47992: [External] : bug#47992: 27; 28; Phase out use of `equal` in `

From: Richard Stallman
Subject: bug#47992: [External] : bug#47992: 27; 28; Phase out use of `equal` in `add-hook`, `remove-hook`
Date: Wed, 07 Jul 2021 19:57:55 -0400

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It would not be hard to write a function to remove, from a hook,
any lambda expression that has a certain symbol as its name.
(memq SYMBOL LAMBDAEXP) can test whether LAMBDAEXP has the name SYMBOL.

We could make remove-hook do this if the supplied argument is a symbol
with no function definition, or whatever other interface is desirable.

It wouldn't be hard to do this with doc strings either.

Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)

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