parens on sizeof

[Norman Diamond]

> The empty string is an expression.  Therefore "sizeof (int)" is the
> empty expression cast to type "integer" and an expression.  Therefore
> "sizeof (int)" is of the form sizeof <expression> .

sizeof (int) ""     would be     sizeof <expression>

Whitespace is not equivalent to the empty string.  I'd sure hate for
a = *b;    to be interpreted as     a = ""*b;

-- 

   Norman Diamond

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