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From: | Andreas Schwab |
Subject: | bug#23795: 24.5; rx eval on variable gives symbol error |
Date: | Sat, 18 Jun 2016 18:19:03 +0200 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/25.0.95 (gnu/linux) |
bgoodr@gmail.com writes: > Insert this into a .el file and load it in using emacs -Q: > > (let ((page-name "the page")) > (let ((regexp > ;; (concat "[[" page-name "]]") > (rx "[[" (eval page-name) "]]" ))) > regexp > )) Since rx is a macro it cannot refer to runtime values. You need to use rx-to-string to construct the regexp at run time. Or just use concat as in the comment. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."
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