CaseStatement specification issue

[ketmar via Digitalmars-d]

On Fri, 15 Aug 2014 19:46:07 +0000
Sergey Kozyr via Digitalmars-d <digitalmars-d at puremagic.com> wrote:

> Let's open doc http://dlang.org/statement#CaseStatement
and we'll find some more bugs there:

  CaseStatement:
    case ArgumentList : ScopeStatementList

  ArgumentList:
    AssignExpression
    AssignExpression ,
    AssignExpression , ArgumentList

  AssignExpression:
    ConditionalExpression
    ConditionalExpression = AssignExpression
    ConditionalExpression += AssignExpression
    ...

and so on.

so we can see that things like 'case n+=5:' should be allowed, while
they are not.
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