;;; man.el --- browse UNIX manual pages -*- coding: iso-8859-1 -*-
-;; Copyright (C) 1993, 1994, 1996, 1997, 2001, 2003, 2004
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1993, 1994, 1996, 1997, 2001, 2002, 2003,
+;; 2004, 2005 Free Software Foundation, Inc.
;; Author: Barry A. Warsaw <bwarsaw@cen.com>
;; Maintainer: FSF
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
(defvar Man-cooked-hook nil
"Hook run after removing backspaces but before `Man-mode' processing.")
-(defvar Man-name-regexp "[-a-zA-Z0-9_+][-a-zA-Z0-9_.+]*"
+(defvar Man-name-regexp "[-a-zA-Z0-9_+][-a-zA-Z0-9_.:+]*"
"Regular expression describing the name of a manpage (without section).")
(defvar Man-section-regexp "[0-9][a-zA-Z+]*\\|[LNln]"
(make-variable-buffer-local 'Man-page-mode-string)
(make-variable-buffer-local 'Man-original-frame)
(make-variable-buffer-local 'Man-arguments)
+(put 'Man-arguments 'permanent-local t)
(setq-default Man-sections-alist nil)
(setq-default Man-refpages-alist nil)
(let ((table (copy-syntax-table (standard-syntax-table))))
(modify-syntax-entry ?. "w" table)
(modify-syntax-entry ?_ "w" table)
+ (modify-syntax-entry ?: "w" table) ; for PDL::Primitive in Perl man pages
table)
"Syntax table used in Man mode buffers.")
-(if Man-mode-map
- nil
- (setq Man-mode-map (copy-keymap button-buffer-map))
+(unless Man-mode-map
+ (setq Man-mode-map (make-sparse-keymap))
(suppress-keymap Man-mode-map)
+ (set-keymap-parent Man-mode-map button-buffer-map)
+
(define-key Man-mode-map " " 'scroll-up)
(define-key Man-mode-map "\177" 'scroll-down)
(define-key Man-mode-map "n" 'Man-next-section)
(define-key Man-mode-map "k" 'Man-kill)
(define-key Man-mode-map "q" 'Man-quit)
(define-key Man-mode-map "m" 'man)
- (define-key Man-mode-map "?" 'describe-mode)
- )
+ (define-key Man-mode-map "?" 'describe-mode))
;; buttons
(define-button-type 'Man-xref-man-page
'action (lambda (button) (man-follow (button-label button)))
- 'help-echo "RET, mouse-2: display this man page")
+ 'follow-link t
+ 'help-echo "mouse-2, RET: display this man page")
(define-button-type 'Man-xref-header-file
'action (lambda (button)
(let ((w (button-get button 'Man-target-string)))
(unless (Man-view-header-file w)
(error "Cannot find header file: %s" w))))
+ 'follow-link t
'help-echo "mouse-2: display this header file")
(define-button-type 'Man-xref-normal-file
(view-file f)
(error "Cannot read a file: %s" f))
(error "Cannot find a file: %s" f))))
+ 'follow-link t
'help-echo "mouse-2: display this file")
\f
;; utilities
(defun Man-init-defvars ()
- "Used for initialising variables based on display's color support.
+ "Used for initializing variables based on display's color support.
This is necessary if one wants to dump man.el with Emacs."
;; Avoid possible error in call-process by using a directory that must exist.
(defun Man-translate-references (ref)
"Translates REF from \"chmod(2V)\" to \"2v chmod\" style.
Leave it as is if already in that style. Possibly downcase and
-translate the section (see the Man-downcase-section-letters-flag
-and the Man-section-translations-alist variables)."
+translate the section (see the `Man-downcase-section-letters-flag'
+and the `Man-section-translations-alist' variables)."
(let ((name "")
(section "")
(slist Man-section-translations-alist))
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 don't.
+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
(setq buffer (generate-new-buffer bufname))
(save-excursion
(set-buffer buffer)
+ (setq buffer-undo-list t)
(setq Man-original-frame (selected-frame))
(setq Man-arguments man-args))
(let ((process-environment (copy-sequence process-environment))
(defun Man-highlight-references ()
"Highlight the references on mouse-over.
-references include items in the SEE ALSO section,
-header file(#include <foo.h>) and files in FILES"
+References include items in the SEE ALSO section,
+header file (#include <foo.h>) and files in FILES."
(let ((dummy 0))
(Man-highlight-references0
Man-see-also-regexp Man-reference-regexp 1 dummy
(if Man-fontify-manpage-flag
(Man-fontify-manpage)
(Man-cleanup-manpage))
+
(run-hooks 'Man-cooked-hook)
- (Man-mode)
+ (Man-mode)
+
+ (if (not Man-page-list)
+ (let ((args Man-arguments))
+ (kill-buffer (current-buffer))
+ (error "Can't find the %s manpage" args)))
+
(set-buffer-modified-p nil)
))
;; Restore case-fold-search before calling
;; ======================================================================
;; set up manual mode in buffer and build alists
+(put 'Man-mode 'mode-class 'special)
+
(defun Man-mode ()
"A mode for browsing Un*x manual pages.
The following key bindings are currently in effect in the buffer:
\\{Man-mode-map}"
(interactive)
+ (kill-all-local-variables)
(setq major-mode 'Man-mode
mode-name "Man"
buffer-auto-save-file-name nil
" {" 'Man-page-mode-string "}")
truncate-lines t
buffer-read-only t)
- (buffer-disable-undo (current-buffer))
+ (buffer-disable-undo)
(auto-fill-mode -1)
(use-local-map Man-mode-map)
(set-syntax-table man-mode-syntax-table)
(Man-build-page-list)
(Man-strip-page-headers)
(Man-unindent)
- (Man-goto-page 1)
- (run-hooks 'Man-mode-hook))
+ (Man-goto-page 1 t)
+ (run-mode-hooks 'Man-mode-hook))
(defsubst Man-build-section-alist ()
"Build the association list of manpage sections."
(error "There are no references in the current man page")
(list (let* ((default (or
(car (all-completions
- (let ((word (Man-possibly-hyphenated-word)))
+ (let ((word
+ (or (Man-possibly-hyphenated-word)
+ "")))
;; strip a trailing '-':
(if (string-match "-$" word)
(substring word 0
(interactive)
(quit-window))
-(defun Man-goto-page (page)
+(defun Man-goto-page (page &optional noerror)
"Go to the manual page on page PAGE."
(interactive
(if (not Man-page-list)
- (let ((args Man-arguments))
- (kill-buffer (current-buffer))
- (error "Can't find the %s manpage" args))
+ (error "Not a man page buffer")
(if (= (length Man-page-list) 1)
(error "You're looking at the only manpage in the buffer")
(list (read-minibuffer (format "Go to manpage [1-%d]: "
(length Man-page-list)))))))
- (if (not Man-page-list)
- (let ((args Man-arguments))
- (kill-buffer (current-buffer))
- (error "Can't find the %s manpage" args)))
- (if (or (< page 1)
- (> page (length Man-page-list)))
- (error "No manpage %d found" page))
- (let* ((page-range (nth (1- page) Man-page-list))
- (page-start (car page-range))
- (page-end (car (cdr page-range))))
- (setq Man-current-page page
- Man-page-mode-string (Man-make-page-mode-string))
- (widen)
- (goto-char page-start)
- (narrow-to-region page-start page-end)
- (Man-build-section-alist)
- (Man-build-references-alist)
- (goto-char (point-min))))
+ (if (and (not Man-page-list) (not noerror))
+ (error "Not a man page buffer"))
+ (when Man-page-list
+ (if (or (< page 1)
+ (> page (length Man-page-list)))
+ (error "No manpage %d found" page))
+ (let* ((page-range (nth (1- page) Man-page-list))
+ (page-start (car page-range))
+ (page-end (car (cdr page-range))))
+ (setq Man-current-page page
+ Man-page-mode-string (Man-make-page-mode-string))
+ (widen)
+ (goto-char page-start)
+ (narrow-to-region page-start page-end)
+ (Man-build-section-alist)
+ (Man-build-references-alist)
+ (goto-char (point-min)))))
(defun Man-next-manpage ()