[pge]: * <?foo> is now a zero-width match instead of a non-capturing subrule. * This brings us back into closer compliance with S05. * Resolves RT#53834.
[pge]:
* <?foo> is now a zero-width match instead of a non-capturing subrule.
* This brings us back into closer compliance with S05.
* Resolves RT#53834.


git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@27687 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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