From: Eli Zaretskii <eliz@gnu.org>
Date: Mon, 1 Sep 2003 05:45:44 +0000 (+0000)
Subject: (previous-error): Accept a prefix argument, similarly to next-error.
X-Git-Tag: archive/raspbian/1%29.2+1-2+rpi1~1^2~25660
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:///%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:/?a=commitdiff_plain;h=d98419b55acfb860b85b1b2b27123ccf80182ba0;p=emacs.git

(previous-error): Accept a prefix argument, similarly to next-error.
---

diff --git a/lisp/progmodes/compile.el b/lisp/progmodes/compile.el
index 3effe71d30b..f2bffa1a089 100644
--- a/lisp/progmodes/compile.el
+++ b/lisp/progmodes/compile.el
@@ -1751,11 +1751,15 @@ See variables `compilation-parse-errors-function' and
 			   (consp argp))))
 ;;;###autoload (define-key ctl-x-map "`" 'next-error)
 
-(defun previous-error ()
+(defun previous-error (argp)
   "Visit previous compilation error message and corresponding source code.
-This operates on the output from the \\[compile] command."
-  (interactive)
-  (next-error -1))
+
+A prefix ARGP specifies how many error messages to move;
+negative means move forward to next error messages.
+
+This operates on the output from the \\[compile] and \\[grep] commands."
+  (interactive "P")
+  (next-error (- (prefix-numeric-value argp))))
 
 (defun first-error ()
   "Reparse the error message buffer and start at the first error.