;;; man.el --- browse UNIX manual pages -*- coding: iso-8859-1 -*-
-;; Copyright (C) 1993, 1994, 1996, 1997, 2001, 2002, 2003, 2004, 2005,
-;; 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+;; Copyright (C) 1993-1994, 1996-1997, 2001-2012
+;; Free Software Foundation, Inc.
;; Author: Barry A. Warsaw <bwarsaw@cen.com>
;; Maintainer: FSF
(string :tag "Real Section")))
:group 'man)
+;; FIXME see comments at ffap-c-path.
(defcustom Man-header-file-path
- '("/usr/include" "/usr/local/include")
+ (let ((arch (with-temp-buffer
+ (when (eq 0 (ignore-errors
+ (call-process "gcc" nil '(t nil) nil
+ "-print-multiarch")))
+ (goto-char (point-min))
+ (buffer-substring (point) (line-end-position)))))
+ (base '("/usr/include" "/usr/local/include")))
+ (if (zerop (length arch))
+ base
+ (append base (list (expand-file-name arch "/usr/include")))))
"C Header file search path used in Man."
+ :version "24.1" ; add multiarch
:type '(repeat string)
:group 'man)
(defcustom Man-name-local-regexp (concat "^" (regexp-opt '("NOM" "NAME")) "$")
"Regexp that matches the text that precedes the command's name.
Used in `bookmark-set' to get the default bookmark name."
+ :version "24.1"
:type 'string :group 'bookmark)
(defvar manual-program "man"
"Regular expression describing a manpage section within parentheses.")
(defvar Man-page-header-regexp
- (if (and (string-match "-solaris2\\." system-configuration)
- (not (string-match "-solaris2\\.[123435]$" system-configuration)))
+ (if (string-match "-solaris2\\." system-configuration)
(concat "^[-A-Za-z0-9_].*[ \t]\\(" Man-name-regexp
"(\\(" Man-section-regexp "\\))\\)$")
(concat "^[ \t]*\\(" Man-name-regexp
This regular expression should start with a `^' character.")
(defvar Man-reference-regexp
- (concat "\\(" Man-name-regexp "\\)[ \t]*(\\(" Man-section-regexp "\\))")
+ (concat "\\(" Man-name-regexp
+ "\\(\n[ \t]+" Man-name-regexp "\\)*\\)[ \t]*(\\("
+ Man-section-regexp "\\))")
"Regular expression describing a reference to another manpage.")
(defvar Man-apropos-regexp
(suppress-keymap map)
(set-keymap-parent map button-buffer-map)
- (define-key map " " 'scroll-up)
- (define-key map "\177" 'scroll-down)
+ (define-key map " " 'scroll-up-command)
+ (define-key map "\177" 'scroll-down-command)
(define-key map "n" 'Man-next-section)
(define-key map "p" 'Man-previous-section)
(define-key map "\en" 'Man-next-manpage)
(cond
;; "chmod(2V)" case ?
((string-match (concat "^" Man-reference-regexp "$") ref)
- (setq name (match-string 1 ref)
- section (match-string 2 ref)))
+ (setq name (replace-regexp-in-string "[\n\t ]" "" (match-string 1 ref))
+ section (match-string 3 ref)))
;; "2v chmod" case ?
((string-match (concat "^\\(" Man-section-regexp
"\\) +\\(" Man-name-regexp "\\)$") ref)
(concat Man-specified-section-option section " " name))))
(defun Man-support-local-filenames ()
- "Check the availability of `-l' option of the man command.
-This option allows `man' to interpret command line arguments
-as local filenames.
-Return the value of the variable `Man-support-local-filenames'
-if it was set to nil or t before the call of this function.
-If t, the man command supports `-l' option. If nil, it doesn't.
-Otherwise, if the value of `Man-support-local-filenames'
-is neither t nor nil, then determine a new value, set it
-to the variable `Man-support-local-filenames' and return
-a new value."
- (if (or (not Man-support-local-filenames)
- (eq Man-support-local-filenames t))
- Man-support-local-filenames
- (setq Man-support-local-filenames
- (with-temp-buffer
- (and (equal (condition-case nil
- (let ((default-directory
- ;; Assure that `default-directory' exists
- ;; and is readable.
- (if (and (file-directory-p default-directory)
- (file-readable-p default-directory))
- default-directory
- (expand-file-name "~/"))))
- (call-process manual-program nil t nil "--help"))
- (error nil))
- 0)
- (progn
- (goto-char (point-min))
- (search-forward "--local-file" nil t))
- t)))))
+ "Return non-nil if the man command supports local filenames.
+Different man programs support this feature in different ways.
+The default Debian man program (\"man-db\") has a `--local-file'
+\(or `-l') option for this purpose. The default Red Hat man
+program has no such option, but interprets any name containing
+a \"/\" as a local filename. The function returns either `man-db'
+`man', or nil."
+ (if (eq Man-support-local-filenames 'auto-detect)
+ (setq Man-support-local-filenames
+ (with-temp-buffer
+ (let ((default-directory
+ ;; Ensure that `default-directory' exists and is readable.
+ (if (and (file-directory-p default-directory)
+ (file-readable-p default-directory))
+ default-directory
+ (expand-file-name "~/"))))
+ (ignore-errors
+ (call-process manual-program nil t nil "--help")))
+ (cond ((search-backward "--local-file" nil 'move)
+ 'man-db)
+ ;; This feature seems to be present in at least ver 1.4f,
+ ;; which is about 20 years old.
+ ;; I don't know if this version has an official name?
+ ((looking-at "^man, versione? [1-9]")
+ 'man))))
+ Man-support-local-filenames))
\f
;; ======================================================================
;; Otherwise record the current column and look backwards.
(setq column (current-column))
(skip-chars-backward ",; \t")
- ;; Record the distance travelled.
+ ;; Record the distance traveled.
(setq distance (- column (current-column)))
(when (looking-back
(concat "([ \t]*\\(?:" Man-section-regexp "\\)[ \t]*)"))
(defun Man-completion-table (string pred action)
(cond
- ((eq action 'lambda)
- (not (string-match "([^)]*\\'" string)))
+ ;; This ends up returning t for pretty much any string, and hence leads to
+ ;; spurious "complete but not unique" messages. And since `man' doesn't
+ ;; require-match anyway, there's not point being clever.
+ ;;((eq action 'lambda) (not (string-match "([^)]*\\'" string)))
((equal string "-k")
;; Let SPC (minibuffer-complete-word) insert the space.
(complete-with-action action '("-k ") string pred))
;; minal (using an ioctl(2) if available, the value of
;; $COLUMNS, or falling back to 80 characters if nei-
;; ther is available).
- (unless (or (getenv "MANWIDTH") (getenv "COLUMNS"))
+ (when (or window-system
+ (not (or (getenv "MANWIDTH") (getenv "COLUMNS"))))
;; This isn't strictly correct, since we don't know how
;; the page will actually be displayed, but it seems
;; reasonable.
(replace-match "+")
(put-text-property (1- (point)) (point) 'face 'bold))
;; When the header is longer than the manpage name, groff tries to
- ;; condense it to a shorter line interspered with ^H. Remove ^H with
+ ;; condense it to a shorter line interspersed with ^H. Remove ^H with
;; their preceding chars (but don't put Man-overstrike-face). (Bug#5566)
(goto-char (point-min))
(while (re-search-forward ".\b" nil t) (backward-delete-char 2))
(put-text-property (match-beginning 0)
(match-end 0)
'face Man-overstrike-face)))
- (message "%s man page formatted" Man-arguments))
+ (message "%s man page formatted" (Man-page-from-arguments Man-arguments)))
(defun Man-highlight-references (&optional xref-man-type)
"Highlight the references on mouse-over.
(goto-char (point-min))
nil)))
(while (re-search-forward regexp end t)
- (make-text-button
+ ;; An overlay button is preferable because the underlying text
+ ;; may have text property highlights (Bug#7881).
+ (make-button
(match-beginning button-pos)
(match-end button-pos)
'type type
(goto-char (point-min))
(while (re-search-forward "[-|]\\(\b[-|]\\)+" nil t) (replace-match "+"))
;; When the header is longer than the manpage name, groff tries to
- ;; condense it to a shorter line interspered with ^H. Remove ^H with
+ ;; condense it to a shorter line interspersed with ^H. Remove ^H with
;; their preceding chars (but don't put Man-overstrike-face). (Bug#5566)
(goto-char (point-min))
(while (re-search-forward ".\b" nil t) (backward-delete-char 2))
(Man-mode)
(if (not Man-page-list)
- (let ((args Man-arguments))
+ (let ((args Man-arguments))
(kill-buffer (current-buffer))
- (error "Can't find the %s manpage" args)))
-
- (set-buffer-modified-p nil)
- ))
+ (error "Can't find the %s manpage"
+ (Man-page-from-arguments args)))
+ (set-buffer-modified-p nil))))
;; Restore case-fold-search before calling
;; Man-notify-when-ready because it may switch buffers.
(error "%s" err-mess))
))))
+(defun Man-page-from-arguments (args)
+ ;; Skip arguments and only print the page name.
+ (mapconcat
+ 'identity
+ (delete nil
+ (mapcar
+ (lambda (elem)
+ (and (not (string-match "^-" elem))
+ elem))
+ (split-string args " ")))
+ " "))
+
\f
;; ======================================================================
;; set up manual mode in buffer and build alists
(provide 'man)
-;; arch-tag: 587cda76-8e23-4594-b1f3-89b6b09a0d47
;;; man.el ends here