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(A version of) gcc had been giving somewhat odd "trigraph" warnings about
author
Geoff Thorpe
<geoff@openssl.org>
Tue, 28 Aug 2001 19:32:16 +0000
(19:32 +0000)
committer
Geoff Thorpe
<geoff@openssl.org>
Tue, 28 Aug 2001 19:32:16 +0000
(19:32 +0000)
this construct, and Ulf provided the following insight as to why;
> ANSI C compliant compilers must substitute "??)" for "]" because your
> terminal might not have a "]" key if you bought it in the early 1970s.
So we escape the final '?' to avoid this pathological case.
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