Jison Codeblock Highlight

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<script src="https://esm.sh/[email protected]" defer async></script>

Edit the codeblock.

%%

%start expressions

%%

expressions
    : e EOF  { return $1; }
    ;

e
    : e '+' e  { $$ = $1 + $3; }
    | NUMBER   { $$ = Number($1); }
    ;

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