Add @opindex entries to index all command-line options.

man/cmdargs.texi

@@ -77,35 +77,51 @@ the action arguments in the order they are written.
 
 @table @samp
 @item @var{file}
+@opindex --visit
 @itemx --visit=@var{file}
+@opindex --file
 @itemx --file=@var{file}
+@cindex visiting files, command-line argument
 Visit @var{file} using @code{find-file}.  @xref{Visiting}.
 
 @item +@var{linenum} @var{file}
+@opindex +@var{linenum}
 Visit @var{file} using @code{find-file}, then go to line number
 @var{linenum} in it.
 
 @need 3000
 @item -l @var{file}
+@opindex -l
 @itemx --load=@var{file}
+@opindex --load
+@cindex loading Lisp libraries, command-line argument
 Load a Lisp library named @var{file} with the function @code{load}.
 @xref{Lisp Libraries}.  The library can be found either in the current
 directory, or in the Emacs library search path as specified
 with @env{EMACSLOADPATH} (@pxref{General Variables}).
 
 @item -f @var{function}
+@opindex -f
 @itemx --funcall=@var{function}
+@opindex --funcall
+@cindex call Lisp functions, command-line argument
 Call Lisp function @var{function} with no arguments.
 
 @item --eval=@var{expression}
+@opindex --eval
 @itemx --execute=@var{expression}
+@opindex --execute
+@cindex evaluate expression, command-line argument
 Evaluate Lisp expression @var{expression}.
 
 @item --insert=@var{file}
+@opindex --insert
+@cindex insert file contents, command-line argument
 Insert the contents of @var{file} into the current buffer.  This is like
 what @kbd{M-x insert-file} does.  @xref{Misc File Ops}.
 
 @item --kill
+@opindex --kill
 Exit from Emacs without asking for confirmation.
 @end table
 
@@ -131,16 +147,25 @@ of these files or substitute other files for them.
 
 @table @samp
 @item -t @var{device}
+@opindex -t
 @itemx --terminal=@var{device}
+@opindex --terminal
+@cindex device for Emacs terminal I/O
 Use @var{device} as the device for terminal input and output.
 
 @item -d @var{display}
+@opindex -d
 @itemx --display=@var{display}
+@opindex --display
+@cindex display for Emacs frame
 Use the X Window System and use the display named @var{display} to open
-the initial Emacs frame.
+the initial Emacs frame.  @xref{Display X}, for more details.
 
 @item -nw
+@opindex -nw
 @itemx --no-windows
+@opindex --no-windows
+@cindex disable window system
 Don't communicate directly with the window system, disregarding the
 @env{DISPLAY} environment variable even if it is set.  This forces Emacs
 to run as if the display were a text-only terminal.
@@ -148,6 +173,7 @@ to run as if the display were a text-only terminal.
 @need 3000
 @cindex batch mode
 @item -batch
+@opindex --batch
 @itemx --batch
 Run Emacs in @dfn{batch mode}, which means that the text being edited is
 not displayed and the standard terminal interrupt characters such as
@@ -167,24 +193,36 @@ addition, auto-saving is not done except in buffers for which it has been
 explicitly requested.
 
 @item -q
+@opindex -q
 @itemx --no-init-file
+@opindex --no-init-file
+@cindex bypassing init and site-start file
+@cindex init file, not loading
 Do not load your Emacs init file @file{~/.emacs}, or @file{default.el}
 either.
 
 @item --no-site-file
+@opindex --no-site-file
+@cindex site-start file, not loading
 Do not load @file{site-start.el}.  The options @samp{-q}, @samp{-u}
 and @samp{-batch} have no effect on the loading of this file---this is
 the only option that blocks it.
 
 @item -u @var{user}
+@opindex -u
 @itemx --user=@var{user}
+@opindex --user
+@cindex load init file of another user
 Load @var{user}'s Emacs init file @file{~@var{user}/.emacs} instead of
 your own.
 
 @item --debug-init
+@opindex --debug-init
+@cindex errors in init file
 Enable the Emacs Lisp debugger for errors in the init file.
 
 @item --unibyte
+@opindex --unibyte
 @cindex unibyte operation, command-line argument
 Set up to do almost everything with single-byte buffers and strings.
 All buffers and strings are unibyte unless you (or a Lisp program)
@@ -194,6 +232,7 @@ specified; see @ref{Enabling Multibyte}.)  Setting the environment
 variable @env{EMACS_UNIBYTE} has the same effect.
 
 @item --multibyte
+@opindex --multibyte
 Inhibit the effect of @env{EMACS_UNIBYTE}, so that Emacs
 uses multibyte characters by default, as usual.
 @end table
@@ -559,7 +598,10 @@ specify a different font on your command line through the option
 
 @table @samp
 @item -fn @var{name}
+@opindex -fn
 @itemx --font=@var{name}
+@opindex --font
+@cindex specify default font from the command line
 Use font @var{name} as the default font.
 @end table
 
@@ -631,6 +673,7 @@ This is the character set that the font depicts.
 Normally you should use @samp{iso8859-1}.
 @end table
 
+@cindex listing system fonts
   You will probably want to use a fixed-width default font---that is,
 a font in which all characters have the same width.  Any font with
 @samp{m} or @samp{c} in the @var{spacing} field of the long name is a
@@ -660,7 +703,7 @@ displays the entire font @samp{6x13}.
 
 @node Colors X
 @appendixsec Window Color Options
-@cindex color of window (X Window System)
+@cindex color of window
 @cindex text colors, from command line
 
 @findex list-colors-display
@@ -678,26 +721,45 @@ background is usually black and the foreground is white.
   Here is a list of the command-line options for specifying colors:
 
 @table @samp
-@item -fg @var{color} 
-@itemx --foreground-color=@var{color} 
+@item -fg @var{color}
+@opindex -fg
+@itemx --foreground-color=@var{color}
+@opindex --foreground-color
+@cindex foreground color, command-line argument
 Specify the foreground color.  @var{color} should be a standard color
 name, or a numeric specification of the color's red, green, and blue
 components as in @samp{#4682B4} or @samp{RGB:46/82/B4}.
-@item -bg @var{color} 
-@itemx --background-color=@var{color} 
+@item -bg @var{color}
+@opindex -bg
+@itemx --background-color=@var{color}
+@opindex --background-color
+@cindex background color, command-line argument
 Specify the background color.
-@item -bd @var{color} 
-@itemx --border-color=@var{color} 
+@item -bd @var{color}
+@opindex -bd
+@itemx --border-color=@var{color}
+@opindex --border-color
+@cindex border color, command-line argument
 Specify the color of the border of the X window.
-@item -cr @var{color} 
-@itemx --cursor-color=@var{color} 
+@item -cr @var{color}
+@opindex -cr
+@itemx --cursor-color=@var{color}
+@opindex --cursor-color
+@cindex cursor color, command-line argument
 Specify the color of the Emacs cursor which indicates where point is.
-@item -ms @var{color} 
-@itemx --mouse-color=@var{color} 
+@item -ms @var{color}
+@opindex -ms
+@itemx --mouse-color=@var{color}
+@opindex --mouse-color
+@cindex mouse pointer color, command-line argument
 Specify the color for the mouse cursor when the mouse is in the Emacs window.
 @item -r
+@opindex -r
 @itemx -rv
+@opindex -rv
 @itemx --reverse-video
+@opindex --reverse-video
+@cindex reverse video, command-line argument
 Reverse video---swap the foreground and background colors.
 @end table
 
@@ -716,7 +778,8 @@ text-only terminals as well as on window systems.
 
 @node Window Size X
 @appendixsec Options for Window Geometry
-@cindex geometry (X Window System)
+@cindex geometry of Emacs window
+@cindex position and size of Emacs frame
 
   The @samp{-geometry} option controls the size and position of the
 initial Emacs frame.  Here is the format for specifying the window
@@ -724,11 +787,13 @@ geometry:
 
 @table @samp
 @item -g @var{width}x@var{height}@r{@{}+-@r{@}}@var{xoffset}@r{@{}+-@r{@}}@var{yoffset}
+@opindex -g
 Specify window size @var{width} and @var{height} (measured in character
 columns and lines), and positions @var{xoffset} and @var{yoffset}
 (measured in pixels).
 
 @item --geometry=@var{width}x@var{height}@r{@{}+-@r{@}}@var{xoffset}@r{@{}+-@r{@}}@var{yoffset}
+@opindex --geometry
 This is another way of writing the same thing.
 @end table
 
@@ -793,11 +858,16 @@ the window.
 
 @table @samp
 @item -ib @var{width}
+@opindex -ib
 @itemx --internal-border=@var{width}
+@opindex --internal-border
+@cindex border width, command-line argument
 Specify @var{width} as the width of the internal border, in pixels.
 
 @item -bw @var{width}
+@opindex -bw
 @itemx --border-width=@var{width}
+@opindex --border-width
 Specify @var{width} as the width of the main border, in pixels.
 @end table
 
@@ -825,8 +895,11 @@ line option:
 
 @table @samp
 @item -title @var{title}
+@opindex --title
 @itemx --title=@var{title}
 @itemx -T @var{title}
+@opindex -T
+@cindex frame title, command-line argument
 Specify @var{title} as the title for the initial Emacs frame.
 @end table
 
@@ -845,11 +918,16 @@ the screen by iconifying most of the clients.
 
 @table @samp
 @item -i
+@opindex -i
 @itemx --icon-type
+@opindex --icon-type
+@cindex Emacs icon, a gnu
 Use a picture of a gnu as the Emacs icon.
 
 @item -iconic
+@opindex --iconic
 @itemx --iconic
+@cindex start iconified, command-line argument
 Start Emacs in iconified state.
 @end table
 
@@ -876,6 +954,12 @@ values for these options in your X resources file, usually named
 collection of related options, for one program or for several programs
 (optionally even for all programs).
 
+@cindex Registry (MS-Windows)
+  MS-Windows systems don't support @file{~/.Xdefaults} files, but
+Emacs compiled for Windows looks for X resources in the Windows
+Registry, under the keys @samp{HKEY_CURRENT_USER\SOFTWARE\GNU\Emacs}
+and @samp{HKEY_LOCAL_MACHINE\SOFTWARE\GNU\Emacs}.
+
   Programs define named resources with particular meanings.  They also
 define how to group resources into named classes.  For instance, in
 Emacs, the @samp{internalBorder} resource controls the width of the
@@ -920,7 +1004,9 @@ looks for resources under that name instead of @samp{emacs}.
 
 @table @samp
 @item -name @var{name}
+@opindex --name
 @itemx --name=@var{name}
+@cindex resource name, command-line argument
 Use @var{name} as the resource name (and the title) for the initial
 Emacs frame.  This option does not affect subsequent frames, but Lisp
 programs can specify frame names when they create frames.
@@ -929,7 +1015,9 @@ If you don't specify this option, the default is to use the Emacs
 executable's name as the resource name.
 
 @item -xrm @var{resource-values}
+@opindex --xrm
 @itemx --xrm=@var{resource-values}
+@cindex resource values, command-line argument
 Specify X resource values for this Emacs job (see below).
 @end table
 
@@ -1017,6 +1105,7 @@ If @samp{none}, don't make a minibuffer in this frame.
 It will use a separate minibuffer frame instead.
 
 @item @code{paneFont} (class @code{Font})
+@cindex font for menus
 Font name for menu pane titles, in non-toolkit versions of Emacs.
 
 @item @code{pointerColor} (class @code{Foreground})
@@ -1043,6 +1132,8 @@ toolkit versions, see @ref{Lucid Resources}, also see @ref{LessTif
 Resources}.)
 
 @item @code{synchronous} (class @code{Synchronous})
+@cindex debugging X problems
+@cindex synchronous X mode
 Run Emacs in synchronous mode if @samp{on}.  Synchronous mode is
 useful for debugging X problems.