H. Peter Anvin 6263a2a4c2 preproc: add %*? and %*?? ...

The %? and %?? tokens are ambiguous when used inside a multi-line
macro. Add tokens %*? and %*?? that only expand during single-macro
expansion.

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>

2020-07-18 13:47:59 -07:00

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