Remove left_ok and right_ok.
(UPDATE_SYNTAX_TABLE_BACKWARD, UPDATE_SYNTAX_TABLE)
(SETUP_SYNTAX_TABLE, SETUP_SYNTAX_TABLE_FOR_OBJECT): Update to the
new meaning of b_property.
(SYNTAX_TABLE_BYTE_TO_CHAR): Handle the offset properly
both before and after conversion.
(UPDATE_SYNTAX_TABLE_FORWARD): Arg renamed to charpos.
(UPDATE_SYNTAX_TABLE_BACKWARD, UPDATE_SYNTAX_TABLE): Likewise.
(UPDATE_SYNTAX_TABLE_FORWARD, UPDATE_SYNTAX_TABLE_BACKWARD): Likewise.
(SYNTAX_TABLE_BYTE_TO_CHAR): If parse_sexp_lookup_properties is 0,
return 0 right away.
(SETUP_SYNTAX_TABLE): Add if (1) ... else.
(struct gl_state_s): New field `object'.
(SETUP_SYNTAX_TABLE_FOR_OBJECT): Set it.
Handle non-current buffer properly. Args renamed to all caps.
(SETUP_SYNTAX_TABLE): Set `object'. Args renamed to all caps.
(UPDATE_SYNTAX_TABLE): Use gl_state.object.
(UPDATE_SYNTAX_TABLE_FORWARD, UPDATE_SYNTAX_TABLE_BACKWARD): Likewise.
(SETUP_SYNTAX_TABLE_FOR_OBJECT): Add gl_state.offset
when using the arg FROM. Use BYTE_TO_CHAR.
(SETUP_SYNTAX_TABLE_FOR_OBJECT): Set offset field.
(SETUP_SYNTAX_TABLE): Clear offset field.
(UPDATE_SYNTAX_TABLE, UPDATE_SYNTAX_TABLE_FORWARD):
(UPDATE_SYNTAX_TABLE_BACKWARD): Use the offset field.
(SYNTAX_ENTRY): Depending on the value of SYNTAX_ENTRY_VIA_PROPERTY
may do a lookup for syntax table in gl_state.
(UPDATE_SYNTAX_TABLE_FORWARD, UPDATE_SYNTAX_TABLE_BACKWARD,
UPDATE_SYNTAX_TABLE, SETUP_SYNTAX_TABLE,
SETUP_SYNTAX_TABLE_FOR_OBJECT): New macros.
(struct gl_state_s): New struct.
characters.
(SYNTAX_ENTRY_FOLLOW_PARENT): New macro.
(SYNTAX_ENTRY): Handle syntax of multibyte characters.
(SYNTAX, SYNTAX_WITH_FLAGS, SYNTAX_MATCH): Don't signal error even
if a syntax entry is not cons.
