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From: | Richard Stallman |
Subject: | Re: Using empty_string as the only "" string |
Date: | Tue, 24 Apr 2007 22:05:14 -0400 |
ELISP> (eq (substring "ab" 0) (substring "ab" 0)) nil ELISP> (eq (substring "ab" 1) (substring "ab" 1)) nil ELISP> (eq (substring "ab" 2) (substring "ab" 2)) t That doesn't seem a nice behaviour. Any program that _depends_ on eq to return nil in the last case is taking a risk.
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