(echo_now): Use message2_nolog, not message1_nolog.

(echo_now): Use message2_nolog, not message1_nolog.
(Fexecute_extended_command): Likewise.
(read_char_minibuf_menu_prompt): Use message2_nolog, not message1.
(parse_modifiers): Use size_byte.
(echo_char): Use size_byte.
(parse_modifiers_uncached): Likewise.
(record_char): Likewise.
(parse_solitary_modifier): Likewise.
(read_char): Use Faref on Vkeyboard_translate_table
if it is a string.
(apply_modifiers_uncached): New arg base_len_byte.  Calls changed.
(read_char_minibuf_menu_prompt):
(read_key_sequence): Access buffer's downcase_table with XCHAR_TABLE.
(Fexecute_extended_command): Use Faref to access FUNCTION.
Use size_byte of BINDING.
(stuff_buffered_input): Use size_byte of STUFFSTRING.