Description:
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Prior to PHP 8 Beta 1 splitting a namespace across multiple lines would work without error. Starting with PHP 8 Beta 1 a namespace that is split across multiple lines results in a parse error/syntax error.

Test script:
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namespace Foo
    \Bar
    \Baz;

echo __NAMESPACE__;

Expected result:
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The test script should output: Foo\Bar\Baz

Actual result:
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The test script throws an error: Parse error: syntax error, unexpected fully qualified name "\Bar", expecting "{"