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From: | Jari Aalto |
Subject: | bug#4142: [PATCH] 23.1 info.el::Info-goto-node - Wrong type argument: stringp, nil |
Date: | Fri, 14 Aug 2009 20:35:39 +0300 |
Cf. Debian bug http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=531094 apt-get install w3m-el emacs23 emacs23-el $ emacs -Q M-: (setq debug-on-error t) <return> C-h i m Emacs - w3m <return> i <return> 3 Debugger entered--Lisp error: (wrong-type-argument stringp nil) string-match("\\s *\\((\\s *\\([^ )]*\\)\\s *)\\s *\\|\\)\\(.*\\)" nil) Info-goto-node(nil) Info-nth-menu-item() call-interactively(Info-nth-menu-item nil nil) Original bug submitter said: I'm there on (info "(emacs-w3m)Index") and I can't enter "3" which runs the command Info-nth-menu-item The problem seems to be in lisp/info.el (defun Info-nth-menu-item () "Go to the node of the Nth menu item. N is the digit argument used to invoke this command." (interactive) (Info-goto-node (Info-extract-menu-counting (- (aref (this-command-keys) (1- (length (this-command-keys)))) ?0)))) The value of Info-extract-menu-counting isn't checked for nil before passing it to Info-goto-node. Jari 2009-08-14 Jari Aalto <jari.aalto@cante.net> * info.el (Info-nth-menu-item): Check return value of `Info-extract-menu-counting' for nil. PATCH: http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=10;filename=0001-info.el-Info-nth-menu-item-Check-return-value-of-Inf.patch;att=1;bug=531094
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