* utils.c (prompt_for_continue): Annotate prompt.

	* utils.c (prompt_for_continue): Annotate prompt.
	(query): Annotate query.
	* printcmd.c (print_frame_args): Change syntax of argument
	annotation to make name and value part of a single group of
	annotations, not two separate groups.
	* cp-valprint.c (cp_print_value_fields): Likewise for fields.
	* valprint.c (val_print_array_elements): Change syntax of
	annotation to be more concise.
	* main.c, defs.h (command_line_input): New argument tells what
	string to include in the annotations.
	* symtab.c (decode_line_2), main.c (read_command_lines,
	command_loop): Change callers.