[RFA/doco] Document set/show print array-indexes

[Joel Brobecker <brobecker@adacore.com>]

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This is the documentation for a new set/show command and their effect.
This is currently being reviewed under:

        http://sources.redhat.com/ml/gdb-patches/2005-09/msg00195.html

The interface has been agreed on, so we can proceed with the doc update
while the implementation details are being worked-out.

2005-09-26  Joel Brobecker  <brobecker@adacore.com>

        * gdb.texinfo (Print Settings): Add documentation for set/show
        print array-indexes.

Tested by building the HTML documentation and checking the result.

-- 
Joel

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Index: gdb.texinfo
===================================================================
RCS file: /cvs/src/src/gdb/doc/gdb.texinfo,v
retrieving revision 1.279
diff -u -p -r1.279 gdb.texinfo
--- gdb.texinfo	18 Sep 2005 03:28:18 -0000	1.279
+++ gdb.texinfo	26 Sep 2005 23:07:46 -0000
@@ -5692,6 +5692,20 @@ Return to compressed format for arrays.
 Show whether compressed or pretty format is selected for displaying
 arrays.
 
+@item set print array-indexes
+@itemx set print array-indexes on
+@cindex print array indexes
+Print the index of each element when displaying arrays.  May be more
+convenient to locate a given element in the array or quickly find the
+index of a given element in that printed array. The default is off.
+
+@item set print array-indexes off
+Stop printing element indexes when displaying arrays.
+
+@item show print array
+Show whether the index of each element is printed when displaying
+arrays.
+
 @item set print elements @var{number-of-elements}
 @cindex number of array elements to print
 @cindex limit on number of printed array elements