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From: | Kevin Ryde |
Subject: | Re: [PATCH] Source properties on arbitrary non-immediate values |
Date: | Sat, 08 Oct 2005 06:47:53 +1000 |
User-agent: | Gnus/5.110004 (No Gnus v0.4) Emacs/21.4 (gnu/linux) |
address@hidden (Ludovic Courtès) writes: > > guile> (define x 'a-symbol) > guile> (set-source-properties! x '((a . 2))) > ((a . 2)) > guile> (source-properties x) > ((a . 2)) A symbol used in two places is the same object, so file/line attached by both occurrances will overwrite, or whatever. Ditto other uniques like keywords, and immediates like fixnums and chars.
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