Indeed this has come up before:
https://mail.mozilla.org/pipermail/es5-discuss/2011-January/003900.html
No one replied then, alas.
There's no normative significance, as Michael Dyck conjectured. It seems
we could move Literal. Perhaps Waldemar or Allen has a preference. At
this point I am ok with letting the traditional location of Literal stand.
/be
程劭非 wrote:
Hi, everyone,
I'm working a on ES parser recently and noticed something might be
wrong about the symbol “Literal”.
Since “Literal” and “StringLiteral" "NumericLiteral" appears
in lexical grammar , I believe “Literal” should be a non-terminal
symbol. Also there is no other rule using “Literal” in lexical
grammar. As all above I think the following description is
a syntactical grammar rule instead of a lexical grammar rule:
/Literal /*::
***/NullLiteral/
/BooleanLiteral
NumericLiteral
StringLiteral/
/RegularExpressionLiteral/
So my suggest is moving the description from Annex A.1 to Annex A.3
Thanks,
Shaofei Cheng
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