* cli/cli-script.c: Include breakpoint.h.

	* cli/cli-script.c: Include breakpoint.h.
	(build_command_line): Require arguments only for if and while commands.
	(get_command_line, execute_user_command, execute_control_command):
	Fix wording of warning messages.
	(print_command_lines): Print breakpoint commands.
	(execute_control_command): Call commands_from_control_command to
	handle the `commands' command inside a body of a flow-control command.
	(read_next_line): Recognize the `commands' command and build a
	command line structure for it.
	(recurse_read_control_structure, read_command_lines): Handle
	`commands' similarly to `if' and `while'.

	* breakpoint.c (get_number_trailer): Document the special meaning
	of NULL as the first argument PP.
	(commands_from_control_command): New function.

	* breakpoint.h (commands_from_control_command): Add prototype.

	* defs.h (commands_control): New enumerated value for enum
	command_control_type.