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From: | Stefan Monnier |
Subject: | Re: display property strangeness |
Date: | Sun, 13 Mar 2005 08:47:53 -0500 |
User-agent: | Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) |
> (eq (substring fred 0 1) (substring fred 1 2)) > nil `substring' creates/allocates a string, so (eq (substring ...) ...) will *always* return nil. `eq' is pointer equality, whereas `equal' is structural equality. Stefan
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