Two modifications: 1. The addition of 2013 to the copyright year range for every file; 2. The use of a single year range, instead of potentially multiple year ranges, as approved by the FSF.
gdb/ChangeLog: Copyright year update in most files of the GDB Project.
* NEWS: Mention new command. * command.h (valid_user_defined_cmd_name_p): Declare. * defs.h (make_cleanup_dyn_string_delete): Declare. * utils.c: #include "dyn-string.h". (do_dyn_string_delete, make_cleanup_dyn_string_delete): New functions. * cli/cli-cmds.c: #include "dyn-string.h". (argv_to_dyn_string, valid_command_p, alias_command): New functions. (init_cli_cmds): Add new command. * cli/cli-decode.c (valid_user_defined_cmd_name_p): New function. doc/ * gdb.texinfo (Extending GDB): Document alias command. testsuite/ * gdb.base/alias.exp: Add tests for alias command.