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| From: | Geoff Gole |
| Subject: | bug#1734: a bug in elisp? |
| Date: | Tue, 30 Dec 2008 15:39:31 +0900 |
This is normal. The list structure constructed by '(0) is conceptually constant in the function, but remains mutable and is not protected in any way. When you destructively modify it with nconc, the 'constant' will change. The solution: don't do that.
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