17 lines
498 B
BNF
17 lines
498 B
BNF
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<whitespace> ::= <single_line_whitespace> | <multi_line_whitespace>
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<single_line_whitespace> ::= " " | "\t" | "\u00A0"
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<multi_line_whitespace> ::= "\n" | "\r" | "\u2028" | "\u2029"
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<optional_whitespace> ::= <whitespace>*
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<optional_single_line_whitespace> ::= <single_line_whitespace>*
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<required_single_line_whitespace> ::= <single_line_whitespace>+
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<required_multi_line_whitespace> ::= <multi_line_whitespace>+
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<required_whitespace> ::= <single_line_whitespace>+ | <multi_line_whitespace>+
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