7 lines
242 B
Plaintext
7 lines
242 B
Plaintext
# note: this might be incomplete, mostly an example
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root ::= en-char+ ([ \t\n] en-char+)*
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en-char ::= letter | digit | punctuation
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letter ::= [a-zA-Z]
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digit ::= [0-9]
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punctuation ::= [!"#$%&'()*+,-./:;<=>?@[\\\]^_`{|}~]
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