;; `with-output-to-temp-buffer'. `with-help-window' has this point
;; nowhere before exiting. Currently used by `view-lossage' to assert
;; that the last keystrokes are always visible.
-(defvar help-window-point-marker (make-marker)
+(defvar help-window-point-marker (make-marker)
"Marker to override default `window-point' of `help-window'.")
(defvar help-map
(define-key map "\C-a" 'about-emacs)
(define-key map "\C-c" 'describe-copying)
- (define-key map "\C-d" 'describe-distribution)
- (define-key map "\C-e" 'view-emacs-problems)
+ (define-key map "\C-d" 'view-emacs-debugging)
+ (define-key map "\C-e" 'view-external-packages)
(define-key map "\C-f" 'view-emacs-FAQ)
(define-key map "\C-m" 'view-order-manuals)
(define-key map "\C-n" 'view-emacs-news)
- (define-key map "\C-p" 'describe-project)
- (define-key map "\C-t" 'view-todo)
+ (define-key map "\C-o" 'describe-distribution)
+ (define-key map "\C-p" 'view-emacs-problems)
+ (define-key map "\C-t" 'view-emacs-todo)
(define-key map "\C-w" 'describe-no-warranty)
;; This does not fit the pattern, but it is natural given the C-\ command.
(define-key map "d" 'apropos-documentation)
(define-key map "e" 'view-echo-area-messages)
(define-key map "f" 'describe-function)
+ (define-key map "g" 'describe-gnu-project)
(define-key map "h" 'view-hello-file)
(define-key map "i" 'info)
(defalias 'help-for-help 'help-for-help-internal)
;; It can't find this, but nobody will look.
(make-help-screen help-for-help-internal
- "a b c C e f F i I k C-k l L m p r s t v w C-c C-d C-f C-n C-p C-t C-w . or ? :"
+ "Type a help option: [abcCdefFgiIkKlLmnprstvw.] C-[cdefmnoptw] or ?"
"You have typed %THIS-KEY%, the help character. Type a Help option:
\(Use SPC or DEL to scroll through this text. Type \\<help-map>\\[help-quit] to exit the Help command.)
-a command-apropos. Type a list of words or a regexp; it shows a list of
- commands whose names match. See also the apropos command.
-b describe-bindings. Display a table of all key bindings.
-c describe-key-briefly. Type a key sequence;
- it displays the command name run by that key sequence.
-C describe-coding-system. Type the name of the coding system to describe,
- or just RET to describe the ones currently in use.
-d apropos-documentation. Type a pattern (a list of words or a regexp), and
- it shows a list of functions, variables, and other items whose
- documentation matches that pattern. See also the apropos command.
-e view-echo-area-messages. Go to the buffer that logs echo-area messages.
-f describe-function. Type a function name and you see its documentation.
-F Info-goto-emacs-command-node. Type a command name;
- it goes to the on-line manual's section that describes the command.
-h Display the HELLO file which illustrates various scripts.
-i info. The Info documentation reader: read on-line manuals.
-I describe-input-method. Describe a specific input method (if you type
- its name) or the current input method (if you type just RET).
-k describe-key. Type a key sequence;
- it displays the full documentation for that key sequence.
-K Info-goto-emacs-key-command-node. Type a key sequence;
- it goes to the on-line manual's section that describes
- the command bound to that key.
-l view-lossage. Show last 100 characters you typed.
-L describe-language-environment. This describes either a
- specific language environment (if you type its name)
- or the current language environment (if you type just RET).
-m describe-mode. Display documentation of current minor modes,
- and the current major mode, including their special commands.
-n view-emacs-news. Display news of recent Emacs changes.
-p finder-by-keyword. Find packages matching a given topic keyword.
-r info-emacs-manual. Display the Emacs manual in Info mode.
-s describe-syntax. Display contents of syntax table, plus explanations.
-S info-lookup-symbol. Type a symbol; it goes to that symbol in the
- on-line manual for the programming language used in this buffer.
-t help-with-tutorial. Select the Emacs learn-by-doing tutorial.
-v describe-variable. Type name of a variable;
- it displays the variable's documentation and value.
-w where-is. Type a command name; it displays which keystrokes
- invoke that command.
-. display-local-help. Display any available local help at point
- in the echo area.
-
-C-a Display information about Emacs.
-C-c Display Emacs copying permission (GNU General Public License).
-C-d Display Emacs ordering information.
-C-e Display info about Emacs problems.
-C-f Display the Emacs FAQ.
-C-m Display how to order printed Emacs manuals.
-C-n Display news of recent Emacs changes.
-C-p Display information about the GNU project.
-C-t Display the Emacs TODO list.
-C-w Display information on absence of warranty for GNU Emacs."
+a PATTERN Show commands whose name matches the PATTERN (a list of words
+ or a regexp). See also the `apropos' command.
+b Display all key bindings.
+c KEYS Display the command name run by the given key sequence.
+C CODING Describe the given coding system, or RET for current ones.
+d PATTERN Show a list of functions, variables, and other items whose
+ documentation matches the PATTERN (a list of words or a regexp).
+e Go to the *Messages* buffer which logs echo-area messages.
+f FUNCTION Display documentation for the given function.
+F COMMAND Show the on-line manual's section that describes the command.
+g Display information about the GNU project.
+h Display the HELLO file which illustrates various scripts.
+i Start the Info documentation reader: read on-line manuals.
+I METHOD Describe a specific input method, or RET for current.
+k KEYS Display the full documentation for the key sequence.
+K KEYS Show the on-line manual's section for the command bound to KEYS.
+l Show last 100 characters you typed (lossage).
+L LANG-ENV Describes a specific language environment, or RET for current.
+m Display documentation of current minor modes and current major mode,
+ including their special commands.
+n Display news of recent Emacs changes.
+p TOPIC Find packages matching a given topic keyword.
+r Display the Emacs manual in Info mode.
+s Display contents of current syntax table, plus explanations.
+S SYMBOL Show the section for the given symbol in the on-line manual
+ for the programming language used in this buffer.
+t Start the Emacs learn-by-doing tutorial.
+v VARIABLE Display the given variable's documentation and value.
+w COMMAND Display which keystrokes invoke the given command (where-is).
+. Display any available local help at point in the echo area.
+
+C-a Information about Emacs.
+C-c Emacs copying permission (GNU General Public License).
+C-d Instructions for debugging GNU Emacs.
+C-e External packages and information about Emacs.
+C-f Emacs FAQ.
+C-m How to order printed Emacs manuals.
+C-n News of recent Emacs changes.
+C-o Emacs ordering and distribution information.
+C-p Info about known Emacs problems.
+C-t Emacs TODO list.
+C-w Information on absence of warranty for GNU Emacs."
help-map)
\f
\f
;;; `User' help functions
+(defun view-help-file (file &optional dir)
+ (view-file (expand-file-name file (or dir data-directory)))
+ (goto-address)
+ (goto-char (point-min)))
+
(defun describe-distribution ()
"Display info on how to obtain the latest version of GNU Emacs."
(interactive)
- (view-file (expand-file-name "DISTRIB" data-directory)))
+ (view-help-file "DISTRIB"))
(defun describe-copying ()
"Display info on how you may redistribute copies of GNU Emacs."
(interactive)
- (view-file (expand-file-name "COPYING" data-directory))
- (goto-char (point-min)))
+ (view-help-file "COPYING"))
-(defun describe-project ()
+(defalias 'describe-project 'describe-gnu-project)
+(defun describe-gnu-project ()
"Display info on the GNU project."
(interactive)
- (view-file (expand-file-name "THE-GNU-PROJECT" data-directory))
- (goto-char (point-min)))
+ (view-help-file "THE-GNU-PROJECT"))
(defun describe-no-warranty ()
"Display info on all the kinds of warranty Emacs does NOT have."
(beginning-of-line)
(point)))))))
-
-(defun view-todo (&optional arg)
+(defalias 'view-todo 'view-emacs-todo)
+(defun view-emacs-todo (&optional arg)
"Display the Emacs TODO list."
(interactive "P")
- (view-file (expand-file-name "TODO" data-directory)))
+ (view-help-file "TODO"))
(defun view-echo-area-messages ()
"View the log of recent echo-area messages: the `*Messages*' buffer.
(defun view-order-manuals ()
"Display the Emacs ORDERS file."
(interactive)
- (view-file (expand-file-name "ORDERS" data-directory))
- (goto-address))
+ (view-help-file "ORDERS"))
(defun view-emacs-FAQ ()
"Display the Emacs Frequently Asked Questions (FAQ) file."
(defun view-emacs-problems ()
"Display info on known problems with Emacs and possible workarounds."
(interactive)
- (view-file (expand-file-name "PROBLEMS" data-directory)))
+ (view-help-file "PROBLEMS"))
+
+(defun view-emacs-debugging ()
+ "Display info on how to debug Emacs problems."
+ (interactive)
+ (view-help-file "DEBUG"))
+
+(defun view-external-packages ()
+ "Display external packages and information about Emacs."
+ (interactive)
+ (view-help-file "MORE.STUFF"))
(defun view-lossage ()
"Display last 100 input keystrokes.