From d9291fa3dfb82cd4d2a6cb9128f16452a5f6f234 Mon Sep 17 00:00:00 2001 From: "Richard M. Stallman" Date: Sun, 2 Dec 2001 04:45:54 +0000 Subject: [PATCH] (query-replace-read-args): Display message if FROM contains `\n' or `\t'. --- lisp/replace.el | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/lisp/replace.el b/lisp/replace.el index ee0c2ba7a85..71ec81ba44e 100644 --- a/lisp/replace.el +++ b/lisp/replace.el @@ -69,7 +69,17 @@ strings or patterns." (setq from (read-from-minibuffer (format "%s: " string) nil nil nil query-replace-from-history-variable - nil t))) + nil t)) + ;; Warn if user types \n or \t, but don't reject the input. + (if (string-match "\\\\[nt]" from) + (let ((match (match-string 0 from))) + (cond + ((string= match "\\n") + (message "Note: `\\n' here doesn't match a newline; to do that, type C-q C-j instead")) + ((string= match "\\t") + (message "Note: `\\t' here doesn't match a tab; to do that, just type TAB"))) + (sit-for 2)))) + (setq to (read-from-minibuffer (format "%s %s with: " string from) nil nil nil query-replace-to-history-variable from t)) -- 2.39.2