?? in existing source code

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In article <8003 at brl-smoke.ARPA>, gwyn at brl-smoke.ARPA (Doug Gwyn ) writes:
) [cites my stats on "??" presence] [includes list of trigraphs]
> So, would any of them be adversely impacted by the trigraph mappings?

Well, now that you mention it, yes.  Some of these WOULD be replaced
by a trigraph-swallowing compiler.
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