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Paul Eggert authored
(SYNTAX_FLAGS_COMMENT_STYLEC): Return a boolean, not 0-or-2. All uses that need 0-or-2 changed to: (SYNTAX_FLAGS_COMMENT_STYLEC2): New macro, with the same semantics as the old SYNTAX_FLAGS_COMMENT_STYLEC. (struct lisp_parse_state, syntax_prefix_flag_p, update_syntax_table) (char_quoted, prev_char_comend_first, back_comment) (Finternal_describe_syntax_value, skip_chars, skip_syntaxes) (in_classes, forw_comment, scan_lists, scan_sexps_forward): Use bool for boolean. (update_syntax_table, skip_chars, skip_syntaxes): Prefer int to unsigned when either will do. (back_comment): Return boolean success flag, like forw_comment, instead of positive-or-minus-1 (which might have overflowed int anyway). Don't stuff ptrdiff_t into int. (syntax_spec_code, syntax_code_spec): Now const. (Fmatching_paren, scan_lists, scan_sexps_forward): Use enum syntaxcode for syntax code. (Fmatching_paren): Check that arg is a character, not just an integer. (Fstring_to_syntax): Don't assume 0377 fits in enum syntaxcode. (Finternal_describe_syntax_value): Omit no-longer-needed comparison to 0. (skip_chars): Use char, not unsigned char, when the distinction doesn't matter. (forw_comment, scan_lists): Prefer A |= B to A = A || B when B's cheap. * bytecode.c (exec_byte_code): * syntax.c (syntax_spec_code, Fchar_syntax) (Finternal_describe_syntax_value, skip_chars, skip_syntaxes) (init_syntax_once): * syntax.h (SYNTAX_WITH_FLAGS): Omit unnecessary casts.
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