invoke.texi patch

[Ben Elliston <bje at au1 dot ibm dot com>]

I found these errors while browsing the option index.
Okay for mainline?

2004-04-28  Ben Elliston  <bje@au.ibm.com>

	* doc/invoke.texi (Objective-C Dialect Options): Don't prefix
	options with "-" in the option index.
	(SPARC Options): Likewise.
	(M32R/D Options): Likewise.

Index: invoke.texi
===================================================================
RCS file: /cvs/gcc/gcc/gcc/doc/invoke.texi,v
retrieving revision 1.452
diff -u -p -r1.452 invoke.texi
--- invoke.texi	26 Apr 2004 19:23:52 -0000	1.452
+++ invoke.texi	28 Apr 2004 05:39:43 -0000
@@ -1764,7 +1764,7 @@ for NeXT-based systems, including Darwin
 used.
 
 @item -fno-nil-receivers
-@opindex -fno-nil-receivers
+@opindex fno-nil-receivers
 Assume that all Objective-C message dispatches (e.g.,
 @code{[receiver message:arg]}) in this translation unit ensure that the receiver
 is not @code{nil}.  This allows for more efficient entry points in the runtime to be
@@ -1772,7 +1772,7 @@ used.  Currently, this option is only av
 the NeXT runtime on Mac OS X 10.3 and later.
 
 @item -fobjc-exceptions
-@opindex -fobjc-exceptions
+@opindex fobjc-exceptions
 Enable syntactic support for structured exception handling in Objective-C,
 similar to what is offered by C++ and Java.  Currently, this option is only
 available in conjunction with the NeXT runtime on Mac OS X 10.3 and later.
@@ -1864,7 +1864,7 @@ Unlike Java, Objective-C does not allow 
 to be unlocked properly.
 
 @item -freplace-objc-classes
-@opindex -freplace-objc-classes
+@opindex freplace-objc-classes
 Emit a special marker instructing @command{ld(1)} not to statically link in
 the resulting object file, and allow @command{dyld(1)} to load it in at
 run time instead.  This is used in conjunction with the Fix-and-Continue
@@ -1875,7 +1875,7 @@ is only available in conjunction with th
 and later.
 
 @item -fzero-link
-@opindex -fzero-link
+@opindex fzero-link
 When compiling for the NeXT runtime, the compiler ordinarily replaces calls
 to @code{objc_getClass("@dots{}")} (when the name of the class is known at
 compile time) with static class references that get initialized at load time,
@@ -1926,7 +1926,7 @@ compilation.  This also enforces the cod
 that methods and selectors must be declared before being used.
 
 @item -print-objc-runtime-info
-@opindex -print-objc-runtime-info
+@opindex print-objc-runtime-info
 Generate C header describing the largest structure that is passed by
 value, if any.
 
@@ -6393,8 +6393,8 @@ that select a particular cpu implementat
 
 @item -mv8plus
 @itemx -mno-v8plus
-@opindex -mv8plus
-@opindex -mno-v8plus
+@opindex mv8plus
+@opindex mno-v8plus
 With @option{-mv8plus}, GCC generates code for the SPARC-V8+ ABI.  The
 difference from the V8 ABI is that the global and out registers are
 considered 64-bit wide.  This is enabled by default on Solaris in 32-bit
@@ -6402,8 +6402,8 @@ mode for all SPARC-V9 processors.
 
 @item -mvis
 @itemx -mno-vis
-@opindex -mvis
-@opindex -mno-vis
+@opindex mvis
+@opindex mno-vis
 With @option{-mvis}, GCC generates code that takes advantage of the UltraSPARC
 Visual Instruction Set extensions.  The default is @option{-mno-vis}.
 @end table
@@ -6947,7 +6947,7 @@ doesn't the linker will give an error me
 generated.
 
 @item -mdebug
-@opindex -mdebug
+@opindex mdebug
 Makes the M32R specific code in the compiler display some statistics
 that might help in debugging programs.