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preserves
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Avoid confusing dashes/numerics in symunicode at start of a symbol

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Tony Garnock-Jones 2019-08-18 16:51:46 +01:00
parent 7d2ffe640d
commit 3c676cb3de
1 changed files with 7 additions and 5 deletions
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preserves.md
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@ -347,14 +347,16 @@ escape syntax, except using a bar or pipe character (`|`) instead of a
double quote mark.
Symbol = symstart *symcont / "|" *symchar "|"
symstart = ALPHA / sympunct / symunicode
symcont = ALPHA / sympunct / symunicode / DIGIT / "-"
symstart = ALPHA / sympunct / symustart
symcont = ALPHA / sympunct / symustart / symucont / DIGIT / "-"
sympunct = "~" / "!" / "$" / "%" / "^" / "&" / "*" /
"?" / "_" / "=" / "+" / "/" / "."
symchar = unescaped / %x22 / escape (escaped / %x7C / %s"u" 4HEXDIG)
symunicode = <any code point greater than 127 whose Unicode
category is Lu, Ll, Lt, Lm, Lo, Mn, Mc, Me, Nd,
Nl, No, Pd, Pc, Po, Sc, Sm, Sk, So, or Co>
symustart = <any code point greater than 127 whose Unicode
category is Lu, Ll, Lt, Lm, Lo, Mn, Mc, Me,
Pc, Po, Sc, Sm, Sk, So, or Co>
symucont = <any code point greater than 127 whose Unicode
category is Nd, Nl, No, or Pd>
[^cf-sexp-token]: Compare with the [SPKI S-expression][sexp.txt]
definition of "token representation", and with the