* progmodes/grep.el (find-program): Doc fix.

[bpt/emacs.git] / lisp / progmodes / grep.el

diff --git a/lisp/progmodes/grep.el b/lisp/progmodes/grep.el
index 1e152c6..3c7f936 100644 (file)
--- a/lisp/progmodes/grep.el
+++ b/lisp/progmodes/grep.el
@@ -1,10 +1,10 @@
 ;;; grep.el --- run `grep' and display the results
 
-;; Copyright (C) 1985-1987, 1993-1999, 2001-2013 Free Software
+;; Copyright (C) 1985-1987, 1993-1999, 2001-2014 Free Software
 ;; Foundation, Inc.
 
 ;; Author: Roland McGrath <roland@gnu.org>
-;; Maintainer: FSF
+;; Maintainer: emacs-devel@gnu.org
 ;; Keywords: tools, processes
 
 ;; This file is part of GNU Emacs.
@@ -410,7 +410,9 @@ Notice that using \\[next-error] or \\[compile-goto-error] modifies
       (0 '(face nil compilation-message nil help-echo nil mouse-face nil) t)
       (1 grep-error-face)
       (2 grep-error-face nil t))
-     ("^.+?-[0-9]+-.*\n" (0 grep-context-face)))
+     ;; "filename-linenumber-" format is used for context lines in GNU grep,
+     ;; "filename=linenumber=" for lines with function names in "git grep -p".
+     ("^.+?[-=][0-9]+[-=].*\n" (0 grep-context-face)))
    "Additional things to highlight in grep output.
 This gets tacked on the end of the generated expressions.")
 
@@ -421,8 +423,9 @@ This variable's value takes effect when `grep-compute-defaults' is called.")
 
 ;;;###autoload
 (defvar find-program (purecopy "find")
-  "The default find program for `grep-find-command'.
-This variable's value takes effect when `grep-compute-defaults' is called.")
+  "The default find program.
+This is used by commands like `grep-find-command', `find-dired'
+and others.")
 
 ;;;###autoload
 (defvar xargs-program (purecopy "xargs")
@@ -817,12 +820,7 @@ substitution string.  Note dynamic scoping of variables.")
 
 (defun grep-read-regexp ()
   "Read regexp arg for interactive grep."
-  (let ((default (grep-tag-default)))
-    (read-regexp
-     (concat "Search for"
-            (if (and default (> (length default) 0))
-                (format " (default \"%s\"): " default) ": "))
-     default 'grep-regexp-history)))
+  (read-regexp "Search for" 'grep-tag-default 'grep-regexp-history))
 
 (defun grep-read-files (regexp)
   "Read files arg for interactive grep."
@@ -993,8 +991,6 @@ to specify a command to run."
            (compilation-start regexp 'grep-mode))
       (setq dir (file-name-as-directory (expand-file-name dir)))
       (require 'find-dired)            ; for `find-name-arg'
-      ;; In Tramp, there could be problems if the command line is too
-      ;; long.  We escape it, therefore.
       (let ((command (grep-expand-template
                      grep-find-template
                      regexp
@@ -1003,7 +999,7 @@ to specify a command to run."
                              (mapconcat
                               #'shell-quote-argument
                               (split-string files)
-                              (concat "\\\n" " -o " find-name-arg " "))
+                              (concat " -o " find-name-arg " "))
                              " "
                              (shell-quote-argument ")"))
                      dir
@@ -1024,7 +1020,7 @@ to specify a command to run."
                                                      (concat "*/"
                                                              (cdr ignore)))))))
                                     grep-find-ignored-directories
-                                    "\\\n -o -path ")
+                                    " -o -path ")
                                    " "
                                    (shell-quote-argument ")")
                                    " -prune -o "))
@@ -1042,7 +1038,7 @@ to specify a command to run."
                                                     (shell-quote-argument
                                                      (cdr ignore))))))
                                     grep-find-ignored-files
-                                    "\\\n -o -name ")
+                                    " -o -name ")
                                    " "
                                    (shell-quote-argument ")")
                                    " -prune -o "))))))