[RFA] new set/show multiple-symbols command (take 4)

[Joel Brobecker]

> 2008-02-03  Joel Brobecker  <brobecker@adacore.com>
> 
>         * symtab.c (multiple_symbols_ask, multiple_symbols_all)
>         (multiple_symbols_cancel): New constants.
>         (multiple_symbols_modes, multiple_symbols_mode): New static globals.
>         (multiple_symbols_select_mode): New function.
>         (_initialize_symtab): Add new set/show multiple-symbols commands.
>         * symtab.h (multiple_symbols_ask, multiple_symbols_all)
>         (multiple_symbols_cancel, multiple_symbols_select_mode): Declare.
>         * ada-lang.c (user_select_syms): Add handling of new multiple-symbols
>         setting.
>         * linespec.c (decode_line_2): Likewise.
> 
> 2008-02-03  Joel Brobecker  <brobecker@adacore.com>
> 
>         * gdb.cp/ovldbreak.cc: Add missing bodies for methods foo::foofunc.
>         * gdb.cp/ovldbreak.exp: Set multiple-symbols to "ask".
>         Add a couple of tests that verify the behavior when the new setting
>         is set to "cancel" and "all".
>         * gdb.cp/method2.exp, gdb.cp/templates.exp: Set multiple-symbols to
>         "ask" before we start the testing.

Sorry for the delay in checking this in, but I wanted to have the doco
under control before I committed this change. So this part is now in,
and the documentation will follow shortly.

-- 
Joel