;;; man.el --- browse UNIX manual pages
-;; Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+;; Copyright (C) 1993, 1994, 1996 Free Software Foundation, Inc.
;; Author: Barry A. Warsaw <bwarsaw@cen.com>
;; Keywords: help
;; GNU General Public License for more details.
;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; 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.
;;; Commentary:
(defvar Man-notify)
(defvar Man-current-page)
(defvar Man-page-list)
-(defvar Man-filter-list)
+(defvar Man-filter-list nil
+ "*Manpage cleaning filter command phrases.
+This variable contains a list of the following form:
+
+'((command-string phrase-string*)*)
+
+Each phrase-string is concatenated onto the command-string to form a
+command filter. The (standard) output (and standard error) of the Un*x
+man command is piped through each command filter in the order the
+commands appear in the association list. The final output is placed in
+the manpage buffer.")
+
(defvar Man-original-frame)
(defvar Man-arguments)
(defvar Man-sections-alist)
(defvar Man-refpages-alist)
-(defvar Man-uses-untabify-flag)
+(defvar Man-uses-untabify-flag t
+ "When non-nil use `untabify' instead of Man-untabify-command.")
(defvar Man-page-mode-string)
-(defvar Man-sed-script)
+(defvar Man-sed-script nil
+ "Script for sed to nuke backspaces and ANSI codes from manpages.")
;; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
;; user variables
;; ======================================================================
;; utilities
-(defsubst Man-init-defvars ()
+(defun Man-init-defvars ()
"Used for initialising variables based on the value of window-system.
This is necessary if one wants to dump man.el with emacs."
(setq Man-fontify-manpage-flag (and Man-fontify-manpage-flag
window-system))
- (defconst Man-uses-untabify-flag t
- ;; don't use pr: it is buggy
- ;; (or (not (file-readable-p "/etc/passwd"))
- ;; (/= 0 (apply 'call-process
- ;; Man-untabify-command nil nil nil
- ;; (append Man-untabify-command-args
- ;; (list "/etc/passwd")))))
- "When non-nil use `untabify' instead of Man-untabify-command.")
-
- (defconst Man-sed-script
- (cond
- (Man-fontify-manpage-flag
- nil)
- ((= 0 (call-process Man-sed-command nil nil nil Man-sysv-sed-script))
- Man-sysv-sed-script)
- ((= 0 (call-process Man-sed-command nil nil nil Man-berkeley-sed-script))
- Man-berkeley-sed-script)
- (t
- nil))
- "Script for sed to nuke backspaces and ANSI codes from manpages.")
-
- (defvar Man-filter-list
- (list
- (cons
- Man-sed-command
- (list
- (if Man-sed-script
- (concat "-e '" Man-sed-script "'")
- "")
- "-e '/^[\001-\032][\001-\032]*$/d'"
- "-e '/\e[789]/s///g'"
- "-e '/Reformatting page. Wait/d'"
- "-e '/Reformatting entry. Wait/d'"
- "-e '/^[ \t]*Hewlett-Packard[ \t]Company[ \t]*-[ \t][0-9]*[ \t]-/d'"
- "-e '/^[ \t]*Hewlett-Packard[ \t]*-[ \t][0-9]*[ \t]-.*$/d'"
- "-e '/^[ \t][ \t]*-[ \t][0-9]*[ \t]-[ \t]*Formatted:.*[0-9]$/d'"
- "-e '/^[ \t]*Page[ \t][0-9]*.*(printed[ \t][0-9\\/]*)$/d'"
- "-e '/^Printed[ \t][0-9].*[0-9]$/d'"
- "-e '/^[ \t]*X[ \t]Version[ \t]1[01].*Release[ \t][0-9]/d'"
- "-e '/^[A-za-z].*Last[ \t]change:/d'"
- "-e '/^Sun[ \t]Release[ \t][0-9].*[0-9]$/d'"
- "-e '/[ \t]*Copyright [0-9]* UNIX System Laboratories, Inc.$/d'"
- ))
- (cons
- Man-awk-command
- (list
- "'\n"
- "BEGIN { blankline=0; anonblank=0; }\n"
- "/^$/ { if (anonblank==0) next; }\n"
- "{ anonblank=1; }\n"
- "/^$/ { blankline++; next; }\n"
- "{ if (blankline>0) { print \"\"; blankline=0; } print $0; }\n"
- "'"
- ))
- (if (not Man-uses-untabify-flag)
+ (setq Man-sed-script
+ (cond
+ (Man-fontify-manpage-flag
+ nil)
+ ((= 0 (call-process Man-sed-command nil nil nil Man-sysv-sed-script))
+ Man-sysv-sed-script)
+ ((= 0 (call-process Man-sed-command nil nil nil Man-berkeley-sed-script))
+ Man-berkeley-sed-script)
+ (t
+ nil)))
+
+ (setq Man-filter-list
+ (list
(cons
- Man-untabify-command
- Man-untabify-command-args)
- ))
- "*Manpage cleaning filter command phrases.
-This variable contains a list of the following form:
-
-'((command-string phrase-string*)*)
-
-Each phrase-string is concatenated onto the command-string to form a
-command filter. The (standard) output (and standard error) of the Un*x
-man command is piped through each command filter in the order the
-commands appear in the association list. The final output is placed in
-the manpage buffer.")
+ Man-sed-command
+ (list
+ (if Man-sed-script
+ (concat "-e '" Man-sed-script "'")
+ "")
+ "-e '/^[\001-\032][\001-\032]*$/d'"
+ "-e '/\e[789]/s///g'"
+ "-e '/Reformatting page. Wait/d'"
+ "-e '/Reformatting entry. Wait/d'"
+ "-e '/^[ \t]*Hewlett-Packard[ \t]Company[ \t]*-[ \t][0-9]*[ \t]-/d'"
+ "-e '/^[ \t]*Hewlett-Packard[ \t]*-[ \t][0-9]*[ \t]-.*$/d'"
+ "-e '/^[ \t][ \t]*-[ \t][0-9]*[ \t]-[ \t]*Formatted:.*[0-9]$/d'"
+ "-e '/^[ \t]*Page[ \t][0-9]*.*(printed[ \t][0-9\\/]*)$/d'"
+ "-e '/^Printed[ \t][0-9].*[0-9]$/d'"
+ "-e '/^[ \t]*X[ \t]Version[ \t]1[01].*Release[ \t][0-9]/d'"
+ "-e '/^[A-za-z].*Last[ \t]change:/d'"
+ "-e '/^Sun[ \t]Release[ \t][0-9].*[0-9]$/d'"
+ "-e '/[ \t]*Copyright [0-9]* UNIX System Laboratories, Inc.$/d'"
+ "-e '/^[ \t]*Rev\\..*Page [0-9][0-9]*$/d'"
+ ))
+ (cons
+ Man-awk-command
+ (list
+ "'\n"
+ "BEGIN { blankline=0; anonblank=0; }\n"
+ "/^$/ { if (anonblank==0) next; }\n"
+ "{ anonblank=1; }\n"
+ "/^$/ { blankline++; next; }\n"
+ "{ if (blankline>0) { print \"\"; blankline=0; } print $0; }\n"
+ "'"
+ ))
+ (if (not Man-uses-untabify-flag)
+ (cons
+ Man-untabify-command
+ Man-untabify-command-args)
+ )))
)
(defsubst Man-match-substring (&optional n string)
default-entry)
input))))
- ;; Init the man package variables, if not already done.
- (Man-init-defvars)
-
;; Possibly translate the "subject(section)" syntax into the
;; "section subject" syntax and possibly downcase the section.
(setq man-args (Man-translate-references man-args))
(Man-goto-page (length Man-page-list))
(error "You're looking at the first manpage in the buffer"))))
\f
+;; Init the man package variables, if not already done.
+(Man-init-defvars)
+
(provide 'man)
;;; man.el ends here