+File: xemacs.info, Node: Disabling, Prev: Rebinding, Up: Key Bindings
+
+Disabling Commands
+------------------
+
+ Disabling a command marks it as requiring confirmation before it can
+be executed. The purpose of disabling a command is to prevent
+beginning users from executing it by accident and being confused.
+
+ The direct mechanism for disabling a command is to have a non-`nil'
+`disabled' property on the Lisp symbol for the command. These
+properties are normally set by the user's init file with Lisp
+expressions such as:
+
+ (put 'delete-region 'disabled t)
+
+ *Note Init File::.
+
+ If the value of the `disabled' property is a string, that string is
+included in the message printed when the command is used:
+
+ (put 'delete-region 'disabled
+ "Text deleted this way cannot be yanked back!\n")
+
+ You can disable a command either by editing the init file directly
+or with the command `M-x disable-command', which edits the init file
+for you. *Note Init File::.
+
+ When you attempt to invoke a disabled command interactively in Emacs,
+a window is displayed containing the command's name, its documentation,
+and some instructions on what to do next; then Emacs asks for input
+saying whether to execute the command as requested, enable it and
+execute, or cancel it. If you decide to enable the command, you are
+asked whether to do this permanently or just for the current session.
+Enabling permanently works by automatically editing your init file.
+You can use `M-x enable-command' at any time to enable any command
+permanently.
+
+ Whether a command is disabled is independent of what key is used to
+invoke it; it also applies if the command is invoked using `M-x'.
+Disabling a command has no effect on calling it as a function from Lisp
+programs.
+
+\1f
+File: xemacs.info, Node: Syntax, Next: Init File, Prev: Key Bindings, Up: Customization
+
+The Syntax Table
+================
+
+ All the Emacs commands which parse words or balance parentheses are
+controlled by the "syntax table". The syntax table specifies which
+characters are opening delimiters, which are parts of words, which are
+string quotes, and so on. Actually, each major mode has its own syntax
+table (though sometimes related major modes use the same one) which it
+installs in each buffer that uses that major mode. The syntax table
+installed in the current buffer is the one that all commands use, so we
+call it "the" syntax table. A syntax table is a Lisp object, a vector
+of length 256 whose elements are numbers.
+
+* Menu:
+
+* Entry: Syntax Entry. What the syntax table records for each character.
+* Change: Syntax Change. How to change the information.
+
+\1f
+File: xemacs.info, Node: Syntax Entry, Next: Syntax Change, Up: Syntax
+
+Information About Each Character
+--------------------------------
+
+ The syntax table entry for a character is a number that encodes six
+pieces of information:
+
+ * The syntactic class of the character, represented as a small
+ integer
+
+ * The matching delimiter, for delimiter characters only (the
+ matching delimiter of `(' is `)', and vice versa)
+
+ * A flag saying whether the character is the first character of a
+ two-character comment starting sequence
+
+ * A flag saying whether the character is the second character of a
+ two-character comment starting sequence
+
+ * A flag saying whether the character is the first character of a
+ two-character comment ending sequence
+
+ * A flag saying whether the character is the second character of a
+ two-character comment ending sequence
+
+ The syntactic classes are stored internally as small integers, but
+are usually described to or by the user with characters. For example,
+`(' is used to specify the syntactic class of opening delimiters. Here
+is a table of syntactic classes, with the characters that specify them.
+
+` '
+ The class of whitespace characters.
+
+`w'
+ The class of word-constituent characters.
+
+`_'
+ The class of characters that are part of symbol names but not
+ words. This class is represented by `_' because the character `_'
+ has this class in both C and Lisp.
+
+`.'
+ The class of punctuation characters that do not fit into any other
+ special class.
+
+`('
+ The class of opening delimiters.
+
+`)'
+ The class of closing delimiters.
+
+`''
+ The class of expression-adhering characters. These characters are
+ part of a symbol if found within or adjacent to one, and are part
+ of a following expression if immediately preceding one, but are
+ like whitespace if surrounded by whitespace.
+
+`"'
+ The class of string-quote characters. They match each other in
+ pairs, and the characters within the pair all lose their syntactic
+ significance except for the `\' and `/' classes of escape
+ characters, which can be used to include a string-quote inside the
+ string.
+
+`$'
+ The class of self-matching delimiters. This is intended for TeX's
+ `$', which is used both to enter and leave math mode. Thus, a
+ pair of matching `$' characters surround each piece of math mode
+ TeX input. A pair of adjacent `$' characters act like a single
+ one for purposes of matching.
+
+`/'
+ The class of escape characters that always just deny the following
+ character its special syntactic significance. The character after
+ one of these escapes is always treated as alphabetic.
+
+`\'
+ The class of C-style escape characters. In practice, these are
+ treated just like `/'-class characters, because the extra
+ possibilities for C escapes (such as being followed by digits)
+ have no effect on where the containing expression ends.
+
+`<'
+ The class of comment-starting characters. Only single-character
+ comment starters (such as `;' in Lisp mode) are represented this
+ way.
+
+`>'
+ The class of comment-ending characters. Newline has this syntax in
+ Lisp mode.
+
+ The characters flagged as part of two-character comment delimiters
+can have other syntactic functions most of the time. For example, `/'
+and `*' in C code, when found separately, have nothing to do with
+comments. The comment-delimiter significance overrides when the pair of
+characters occur together in the proper order. Only the list and sexp
+commands use the syntax table to find comments; the commands
+specifically for comments have other variables that tell them where to
+find comments. Moreover, the list and sexp commands notice comments
+only if `parse-sexp-ignore-comments' is non-`nil'. This variable is set
+to `nil' in modes where comment-terminator sequences are liable to
+appear where there is no comment, for example, in Lisp mode where the
+comment terminator is a newline but not every newline ends a comment.
+
+\1f
+File: xemacs.info, Node: Syntax Change, Prev: Syntax Entry, Up: Syntax
+
+Altering Syntax Information
+---------------------------
+
+ It is possible to alter a character's syntax table entry by storing
+a new number in the appropriate element of the syntax table, but it
+would be hard to determine what number to use. Emacs therefore
+provides a command that allows you to specify the syntactic properties
+of a character in a convenient way.
+
+ `M-x modify-syntax-entry' is the command to change a character's
+syntax. It can be used interactively and is also used by major modes
+to initialize their own syntax tables. Its first argument is the
+character to change. The second argument is a string that specifies the
+new syntax. When called from Lisp code, there is a third, optional
+argument, which specifies the syntax table in which to make the change.
+If not supplied, or if this command is called interactively, the third
+argument defaults to the current buffer's syntax table.
+
+ 1. The first character in the string specifies the syntactic class.
+ It is one of the characters in the previous table (*note Syntax
+ Entry::).
+
+ 2. The second character is the matching delimiter. For a character
+ that is not an opening or closing delimiter, this should be a
+ space, and may be omitted if no following characters are needed.
+
+ 3. The remaining characters are flags. The flag characters allowed
+ are:
+
+ `1'
+ Flag this character as the first of a two-character comment
+ starting sequence.
+
+ `2'
+ Flag this character as the second of a two-character comment
+ starting sequence.
+
+ `3'
+ Flag this character as the first of a two-character comment
+ ending sequence.
+
+ `4'
+ Flag this character as the second of a two-character comment
+ ending sequence.
+
+ Use `C-h s' (`describe-syntax') to display a description of the
+contents of the current syntax table. The description of each
+character includes both the string you have to pass to
+`modify-syntax-entry' to set up that character's current syntax, and
+some English to explain that string if necessary.
+
+\1f
+File: xemacs.info, Node: Init File, Next: Audible Bell, Prev: Syntax, Up: Customization
+
+The Init File
+=============
+
+ When you start Emacs, it normally loads either `.xemacs/init.el' or
+the file `.emacs' (whichever comes first) in your home directory. This
+file, if it exists, should contain Lisp code. It is called your
+initialization file or "init file". Use the command line switch `-q'
+to tell Emacs whether to load an init file (*note Entering Emacs::).
+Use the command line switch `-user-init-file' (*note Command
+Switches::) to tell Emacs to load a different file instead of
+`~/.xemacs/init.el'/`~/.emacs'.
+
+ When the init file is read, the variable `user-init-file' says which
+init file was loaded.
+
+ At some sites there is a "default init file", which is the library
+named `default.el', found via the standard search path for libraries.
+The Emacs distribution contains no such library; your site may create
+one for local customizations. If this library exists, it is loaded
+whenever you start Emacs. But your init file, if any, is loaded first;
+if it sets `inhibit-default-init' non-`nil', then `default' is not
+loaded.
+
+ If you have a large amount of code in your init file, you should
+byte-compile it to `~/.xemacs/init.elc' or `~/.emacs.elc'.
+
+* Menu:
+
+* Init Syntax:: Syntax of constants in Emacs Lisp.
+* Init Examples:: How to do some things with an init file.
+* Terminal Init:: Each terminal type can have an init file.
+
+\1f
+File: xemacs.info, Node: Init Syntax, Next: Init Examples, Up: Init File
+
+Init File Syntax
+----------------
+
+ The init file contains one or more Lisp function call expressions.
+Each consists of a function name followed by arguments, all surrounded
+by parentheses. For example, `(setq fill-column 60)' represents a call
+to the function `setq' which is used to set the variable `fill-column'
+(*note Filling::) to 60.
+
+ The second argument to `setq' is an expression for the new value of
+the variable. This can be a constant, a variable, or a function call
+expression. In the init file, constants are used most of the time.
+They can be:
+
+Numbers
+ Integers are written in decimal, with an optional initial minus
+ sign.
+
+ If a sequence of digits is followed by a period and another
+ sequence of digits, it is interpreted as a floating point number.
+
+ The number prefixes `#b', `#o', and `#x' are supported to
+ represent numbers in binary, octal, and hexadecimal notation (or
+ radix).
+
+Strings
+ Lisp string syntax is the same as C string syntax with a few extra
+ features. Use a double-quote character to begin and end a string
+ constant.
+
+ Newlines and special characters may be present literally in
+ strings. They can also be represented as backslash sequences:
+ `\n' for newline, `\b' for backspace, `\r' for return, `\t' for
+ tab, `\f' for formfeed (control-l), `\e' for escape, `\\' for a
+ backslash, `\"' for a double-quote, or `\OOO' for the character
+ whose octal code is OOO. Backslash and double-quote are the only
+ characters for which backslash sequences are mandatory.
+
+ You can use `\C-' as a prefix for a control character, as in
+ `\C-s' for ASCII Control-S, and `\M-' as a prefix for a Meta
+ character, as in `\M-a' for Meta-A or `\M-\C-a' for Control-Meta-A.
+
+Characters
+ Lisp character constant syntax consists of a `?' followed by
+ either a character or an escape sequence starting with `\'.
+ Examples: `?x', `?\n', `?\"', `?\)'. Note that strings and
+ characters are not interchangeable in Lisp; some contexts require
+ one and some contexts require the other.
+
+True
+ `t' stands for `true'.
+
+False
+ `nil' stands for `false'.
+
+Other Lisp objects
+ Write a single-quote (') followed by the Lisp object you want.
+
+\1f
+File: xemacs.info, Node: Init Examples, Next: Terminal Init, Prev: Init Syntax, Up: Init File
+
+Init File Examples
+------------------
+
+ Here are some examples of doing certain commonly desired things with
+Lisp expressions:
+
+ * Make <TAB> in C mode just insert a tab if point is in the middle
+ of a line.
+
+ (setq c-tab-always-indent nil)
+
+ Here we have a variable whose value is normally `t' for `true' and
+ the alternative is `nil' for `false'.
+
+ * Make searches case sensitive by default (in all buffers that do not
+ override this).
+
+ (setq-default case-fold-search nil)
+
+ This sets the default value, which is effective in all buffers
+ that do not have local values for the variable. Setting
+ `case-fold-search' with `setq' affects only the current buffer's
+ local value, which is probably not what you want to do in an init
+ file.
+
+ * Make Text mode the default mode for new buffers.
+
+ (setq default-major-mode 'text-mode)
+
+ Note that `text-mode' is used because it is the command for
+ entering the mode we want. A single-quote is written before it to
+ make a symbol constant; otherwise, `text-mode' would be treated as
+ a variable name.
+
+ * Turn on Auto Fill mode automatically in Text mode and related
+ modes.
+
+ (setq text-mode-hook
+ '(lambda () (auto-fill-mode 1)))
+
+ Here we have a variable whose value should be a Lisp function. The
+ function we supply is a list starting with `lambda', and a single
+ quote is written in front of it to make it (for the purpose of this
+ `setq') a list constant rather than an expression. Lisp functions
+ are not explained here; for mode hooks it is enough to know that
+ `(auto-fill-mode 1)' is an expression that will be executed when
+ Text mode is entered. You could replace it with any other
+ expression that you like, or with several expressions in a row.
+
+ (setq text-mode-hook 'turn-on-auto-fill)
+
+ This is another way to accomplish the same result.
+ `turn-on-auto-fill' is a symbol whose function definition is
+ `(lambda () (auto-fill-mode 1))'.
+
+ * Load the installed Lisp library named `foo' (actually a file
+ `foo.elc' or `foo.el' in a standard Emacs directory).
+
+ (load "foo")
+
+ When the argument to `load' is a relative pathname, not starting
+ with `/' or `~', `load' searches the directories in `load-path'
+ (*note Loading::).
+
+ * Load the compiled Lisp file `foo.elc' from your home directory.
+
+ (load "~/foo.elc")
+
+ Here an absolute file name is used, so no searching is done.
+
+ * Rebind the key `C-x l' to run the function `make-symbolic-link'.
+
+ (global-set-key "\C-xl" 'make-symbolic-link)
+
+ or
+
+ (define-key global-map "\C-xl" 'make-symbolic-link)
+
+ Note once again the single-quote used to refer to the symbol
+ `make-symbolic-link' instead of its value as a variable.
+
+ * Do the same thing for C mode only.
+
+ (define-key c-mode-map "\C-xl" 'make-symbolic-link)
+
+ * Bind the function key <F1> to a command in C mode. Note that the
+ names of function keys must be lower case.
+
+ (define-key c-mode-map 'f1 'make-symbolic-link)
+
+ * Bind the shifted version of <F1> to a command.
+
+ (define-key c-mode-map '(shift f1) 'make-symbolic-link)
+
+ * Redefine all keys which now run `next-line' in Fundamental mode to
+ run `forward-line' instead.
+
+ (substitute-key-definition 'next-line 'forward-line
+ global-map)
+
+ * Make `C-x C-v' undefined.
+
+ (global-unset-key "\C-x\C-v")
+
+ One reason to undefine a key is so that you can make it a prefix.
+ Simply defining `C-x C-v ANYTHING' would make `C-x C-v' a prefix,
+ but `C-x C-v' must be freed of any non-prefix definition first.
+
+ * Make `$' have the syntax of punctuation in Text mode. Note the
+ use of a character constant for `$'.
+
+ (modify-syntax-entry ?\$ "." text-mode-syntax-table)
+
+ * Enable the use of the command `eval-expression' without
+ confirmation.
+
+ (put 'eval-expression 'disabled nil)
+
+\1f
+File: xemacs.info, Node: Terminal Init, Prev: Init Examples, Up: Init File
+
+Terminal-Specific Initialization
+--------------------------------
+
+ Each terminal type can have a Lisp library to be loaded into Emacs
+when it is run on that type of terminal. For a terminal type named
+TERMTYPE, the library is called `term/TERMTYPE' and it is found by
+searching the directories `load-path' as usual and trying the suffixes
+`.elc' and `.el'. Normally it appears in the subdirectory `term' of
+the directory where most Emacs libraries are kept.
+
+ The usual purpose of the terminal-specific library is to define the
+escape sequences used by the terminal's function keys using the library
+`keypad.el'. See the file `term/vt100.el' for an example of how this
+is done.
+
+ When the terminal type contains a hyphen, only the part of the name
+before the first hyphen is significant in choosing the library name.
+Thus, terminal types `aaa-48' and `aaa-30-rv' both use the library
+`term/aaa'. The code in the library can use `(getenv "TERM")' to find
+the full terminal type name.
+
+ The library's name is constructed by concatenating the value of the
+variable `term-file-prefix' and the terminal type. Your init file can
+prevent the loading of the terminal-specific library by setting
+`term-file-prefix' to `nil'. *Note Init File::.
+
+ The value of the variable `term-setup-hook', if not `nil', is called
+as a function of no arguments at the end of Emacs initialization, after
+both your init file and any terminal-specific library have been read.
+*Note Init File::. You can set the value in the init file to override
+part of any of the terminal-specific libraries and to define
+initializations for terminals that do not have a library.
+
+\1f
+File: xemacs.info, Node: Audible Bell, Next: Faces, Prev: Init File, Up: Customization
+
+Changing the Bell Sound
+=======================
+
+ You can now change how the audible bell sounds using the variable
+`sound-alist'.
+
+ `sound-alist''s value is an list associating symbols with, among
+other things, strings of audio-data. When `ding' is called with one of
+the symbols, the associated sound data is played instead of the
+standard beep. This only works if you are logged in on the console of a
+machine with audio hardware. To listen to a sound of the provided type,
+call the function `play-sound' with the argument SOUND. You can also
+set the volume of the sound with the optional argument VOLUME.
+
+ Each element of `sound-alist' is a list describing a sound. The
+first element of the list is the name of the sound being defined.
+Subsequent elements of the list are alternating keyword/value pairs:
+
+`sound'
+ A string of raw sound data, or the name of another sound to play.
+ The symbol `t' here means use the default X beep.
+
+`volume'
+ An integer from 0-100, defaulting to `bell-volume'.
+
+`pitch'
+ If using the default X beep, the pitch (Hz) to generate.
+
+`duration'
+ If using the default X beep, the duration (milliseconds).
+
+ For compatibility, elements of `sound-alist' may also be of the form:
+
+ ( SOUND-NAME . <SOUND> )
+ ( SOUND-NAME <VOLUME> <SOUND> )
+
+ You should probably add things to this list by calling the function
+`load-sound-file'.
+
+ Note that you can only play audio data if running on the console
+screen of a machine with audio hardware which emacs understands, which
+at this time means a Sun SparcStation, SGI, or HP9000s700.
+
+ Also note that the pitch, duration, and volume options are available
+everywhere, but most X servers ignore the `pitch' option.
+
+ The variable `bell-volume' should be an integer from 0 to 100, with
+100 being loudest, which controls how loud the sounds emacs makes
+should be. Elements of the `sound-alist' may override this value.
+This variable applies to the standard X bell sound as well as sound
+files.
+
+ If the symbol `t' is in place of a sound-string, Emacs uses the
+default X beep. This allows you to define beep-types of different
+volumes even when not running on the console.
+
+ You can add things to this list by calling the function
+`load-sound-file', which reads in an audio-file and adds its data to
+the sound-alist. You can specify the sound with the SOUND-NAME argument
+and the file into which the sounds are loaded with the FILENAME
+argument. The optional VOLUME argument sets the volume.
+
+ `load-sound-file (FILENAME SOUND-NAME &optional VOLUME)'
+
+ To load and install some sound files as beep-types, use the function
+`load-default-sounds' (note that this only works if you are on display
+0 of a machine with audio hardware).
+
+ The following beep-types are used by Emacs itself. Other Lisp
+packages may use other beep types, but these are the ones that the C
+kernel of Emacs uses.
+
+`auto-save-error'
+ An auto-save does not succeed
+
+`command-error'
+ The Emacs command loop catches an error
+
+`undefined-key'
+ You type a key that is undefined
+
+`undefined-click'
+ You use an undefined mouse-click combination
+
+`no-completion'
+ Completion was not possible
+
+`y-or-n-p'
+ You type something other than the required `y' or `n'
+
+`yes-or-no-p'
+ You type something other than `yes' or `no'
+
+\1f
+File: xemacs.info, Node: Faces, Next: Frame Components, Prev: Audible Bell, Up: Customization
+
+Faces
+=====
+
+ XEmacs has objects called extents and faces. An "extent" is a
+region of text and a "face" is a collection of textual attributes, such
+as fonts and colors. Every extent is displayed in some face;
+therefore, changing the properties of a face immediately updates the
+display of all associated extents. Faces can be frame-local: you can
+have a region of text that displays with completely different
+attributes when its buffer is viewed from a different X window.
+
+ The display attributes of faces may be specified either in Lisp or
+through the X resource manager.
+
+Customizing Faces
+-----------------
+
+ You can change the face of an extent with the functions in this
+section. All the functions prompt for a FACE as an argument; use
+completion for a list of possible values.
+
+`M-x invert-face'
+ Swap the foreground and background colors of the given FACE.
+
+`M-x make-face-bold'
+ Make the font of the given FACE bold. When called from a program,
+ returns `nil' if this is not possible.
+
+`M-x make-face-bold-italic'
+ Make the font of the given FACE bold italic. When called from a
+ program, returns `nil' if not possible.
+
+`M-x make-face-italic'
+ Make the font of the given FACE italic. When called from a
+ program, returns `nil' if not possible.
+
+`M-x make-face-unbold'
+ Make the font of the given FACE non-bold. When called from a
+ program, returns `nil' if not possible.
+
+`M-x make-face-unitalic'
+ Make the font of the given FACE non-italic. When called from a
+ program, returns `nil' if not possible.
+
+`M-x make-face-larger'
+ Make the font of the given FACE a little larger. When called from
+ a program, returns `nil' if not possible.
+
+`M-x make-face-smaller'
+ Make the font of the given FACE a little smaller. When called
+ from a program, returns `nil' if not possible.
+
+`M-x set-face-background'
+ Change the background color of the given FACE.
+
+`M-x set-face-background-pixmap'
+ Change the background pixmap of the given FACE.
+
+`M-x set-face-font'
+ Change the font of the given FACE.
+
+`M-x set-face-foreground'
+ Change the foreground color of the given FACE.
+
+`M-x set-face-underline-p'
+ Change whether the given FACE is underlined.
+
+ You can exchange the foreground and background color of the selected
+FACE with the function `invert-face'. If the face does not specify both
+foreground and background, then its foreground and background are set
+to the background and foreground of the default face. When calling
+this from a program, you can supply the optional argument FRAME to
+specify which frame is affected; otherwise, all frames are affected.
+
+ You can set the background color of the specified FACE with the
+function `set-face-background'. The argument `color' should be a
+string, the name of a color. When called from a program, if the
+optional FRAME argument is provided, the face is changed only in that
+frame; otherwise, it is changed in all frames.
+
+ You can set the background pixmap of the specified FACE with the
+function `set-face-background-pixmap'. The pixmap argument NAME should
+be a string, the name of a file of pixmap data. The directories listed
+in the `x-bitmap-file-path' variable are searched. The bitmap may also
+be a list of the form `(WIDTH HEIGHT DATA)', where WIDTH and HEIGHT are
+the size in pixels, and DATA is a string containing the raw bits of the
+bitmap. If the optional FRAME argument is provided, the face is
+changed only in that frame; otherwise, it is changed in all frames.
+
+ The variable `x-bitmap-file-path' takes as a value a list of the
+directories in which X bitmap files may be found. If the value is
+`nil', the list is initialized from the `*bitmapFilePath' resource.
+
+ If the environment variable XBMLANGPATH is set, then it is consulted
+before the `x-bitmap-file-path' variable.
+
+ You can set the font of the specified FACE with the function
+`set-face-font'. The FONT argument should be a string, the name of a
+font. When called from a program, if the optional FRAME argument is
+provided, the face is changed only in that frame; otherwise, it is
+changed in all frames.
+
+ You can set the foreground color of the specified FACE with the
+function `set-face-foreground'. The argument COLOR should be a string,
+the name of a color. If the optional FRAME argument is provided, the
+face is changed only in that frame; otherwise, it is changed in all
+frames.
+
+ You can set underline the specified FACE with the function
+`set-face-underline-p'. The argument UNDERLINE-P can be used to make
+underlining an attribute of the face or not. If the optional FRAME
+argument is provided, the face is changed only in that frame;
+otherwise, it is changed in all frames.
+
+\1f
+File: xemacs.info, Node: Frame Components, Next: X Resources, Prev: Faces, Up: Customization
+
+Frame Components
+================
+
+ You can control the presence and position of most frame components,
+such as the menubar, toolbars, and gutters.
+
+ This section is not written yet. Try the Lisp Reference Manual:
+*Note Menubar: (lispref)Menubar, *Note Toolbar Intro: (lispref)Toolbar
+Intro, and *Note Gutter Intro: (lispref)Gutter Intro.
+
+\1f
+File: xemacs.info, Node: X Resources, Prev: Frame Components, Up: Customization
+
+X Resources
+===========
+
+ Historically, XEmacs has used the X resource application class
+`Emacs' for its resources. Unfortunately, GNU Emacs uses the same
+application class, and resources are not compatible between the two
+Emacsen. This sharing of the application class often leads to trouble
+if you want to run both variants.
+
+ Starting with XEmacs 21, XEmacs uses the class `XEmacs' if it finds
+any XEmacs resources in the resource database when the X connection is
+initialized. Otherwise, it will use the class `Emacs' for backwards
+compatibility. The variable X-EMACS-APPLICATION-CLASS may be consulted
+to determine the application class being used.
+
+ The examples in this section assume the application class is `Emacs'.
+
+ The Emacs resources are generally set per-frame. Each Emacs frame
+can have its own name or the same name as another, depending on the
+name passed to the `make-frame' function.
+
+ You can specify resources for all frames with the syntax:
+
+ Emacs*parameter: value
+
+or
+
+ Emacs*EmacsFrame.parameter:value
+
+You can specify resources for a particular frame with the syntax:
+
+ Emacs*FRAME-NAME.parameter: value
+
+* Menu:
+
+* Geometry Resources:: Controlling the size and position of frames.
+* Iconic Resources:: Controlling whether frames come up iconic.
+* Resource List:: List of resources settable on a frame or device.
+* Face Resources:: Controlling faces using resources.
+* Widgets:: The widget hierarchy for XEmacs.
+* Menubar Resources:: Specifying resources for the menubar.
+
+\1f
+File: xemacs.info, Node: Geometry Resources, Next: Iconic Resources, Up: X Resources
+
+Geometry Resources
+------------------
+
+ To make the default size of all Emacs frames be 80 columns by 55
+lines, do this:
+
+ Emacs*EmacsFrame.geometry: 80x55
+
+To set the geometry of a particular frame named `fred', do this:
+
+ Emacs*fred.geometry: 80x55
+
+Important! Do not use the following syntax:
+
+ Emacs*geometry: 80x55
+
+You should never use `*geometry' with any X application. It does not
+say "make the geometry of Emacs be 80 columns by 55 lines." It really
+says, "make Emacs and all subwindows thereof be 80x55 in whatever units
+they care to measure in." In particular, that is both telling the
+Emacs text pane to be 80x55 in characters, and telling the menubar pane
+to be 80x55 pixels, which is surely not what you want.
+
+ As a special case, this geometry specification also works (and sets
+the default size of all Emacs frames to 80 columns by 55 lines):
+
+ Emacs.geometry: 80x55
+
+since that is the syntax used with most other applications (since most
+other applications have only one top-level window, unlike Emacs). In
+general, however, the top-level shell (the unmapped ApplicationShell
+widget named `Emacs' that is the parent of the shell widgets that
+actually manage the individual frames) does not have any interesting
+resources on it, and you should set the resources on the frames instead.
+
+ The `-geometry' command-line argument sets only the geometry of the
+initial frame created by Emacs.
+
+ A more complete explanation of geometry-handling is
+
+ * The `-geometry' command-line option sets the `Emacs.geometry'
+ resource, that is, the geometry of the ApplicationShell.
+
+ * For the first frame created, the size of the frame is taken from
+ the ApplicationShell if it is specified, otherwise from the
+ geometry of the frame.
+
+ * For subsequent frames, the order is reversed: First the frame, and
+ then the ApplicationShell.
+
+ * For the first frame created, the position of the frame is taken
+ from the ApplicationShell (`Emacs.geometry') if it is specified,
+ otherwise from the geometry of the frame.
+
+ * For subsequent frames, the position is taken only from the frame,
+ and never from the ApplicationShell.
+
+ This is rather complicated, but it does seem to provide the most
+intuitive behavior with respect to the default sizes and positions of
+frames created in various ways.
+
+\1f
+File: xemacs.info, Node: Iconic Resources, Next: Resource List, Prev: Geometry Resources, Up: X Resources
+
+Iconic Resources
+----------------
+
+ Analogous to `-geometry', the `-iconic' command-line option sets the
+iconic flag of the ApplicationShell (`Emacs.iconic') and always applies
+to the first frame created regardless of its name. However, it is
+possible to set the iconic flag on particular frames (by name) by using
+the `Emacs*FRAME-NAME.iconic' resource.
+
+\1f
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