trivial diff: fix some old errors in the documentation

[Zoltan Somogyi]

doc/user_guide.texi:
	Fix some old errors in the documentation.

Zoltan.

Index: user_guide.texi
===================================================================
RCS file: /home/mercury1/repository/mercury/doc/user_guide.texi,v
retrieving revision 1.136
diff -u -u -r1.136 user_guide.texi
--- user_guide.texi	1998/09/24 06:01:39	1.136
+++ user_guide.texi	1998/10/01 09:08:02
@@ -321,9 +321,8 @@
 certain options to the Mercury runtime system.
 The Mercury runtime accepts
 options via the @samp{MERCURY_OPTIONS} environment variable.
-Setting @samp{MERCURY_OPTIONS} to @samp{-h}
-will list the available options.
 The most useful of these are the options that set the size of the stacks.
+(For the full list of available options, see @ref{Environment}.)
 
 The det stack and the nondet stack
 are allocated fixed sizes at program start-up.
@@ -984,10 +983,10 @@
 modules, so long as the top-level module imports all
 the necessary modules.  For example:
 
-	@example
-	:- module blah.
-	:- import_module fee, fie, foe, fum.
-	@end example
+ at example
+:- module blah.
+:- import_module fee, fie, foe, fum.
+ at end example
 
 @noindent
 This example defines a module @samp{blah}, which has
@@ -1782,6 +1781,15 @@
 Output a bytecode form of the module for use
 by an experimental debugger.
 
+ at item --generate-bytecode
+ at c Output a bytecode version of the module
+ at c into the @file{@var{module}.bytecode} file,
+ at c and a human-readable version of the bytecode
+ at c into the @file{@var{module}.bytedebug} file.
+ at c The bytecode is for an experimental debugger.
+Output a bytecode form of the module for use
+by an experimental debugger.
+
 @item --generate-prolog
 Convert the program to Prolog.  Output to file @file{@var{module}.pl}
 or @file{@var{module}.nl} (depending the the dialect).
@@ -2168,8 +2176,8 @@
 XXX We should document this in more detail.
 
 @sp 1
- at item @code{--args @{old, compact@}}
- at item @code{--arg-convention @{old, compact@}}
+ at item @code{--args @{simple, compact@}}
+ at item @code{--arg-convention @{simple, compact@}}
 (This option is not intended for general use.)
 Use the specified argument passing convention
 in the generated low-level C code.