Date:        Fri, 8 Mar 2019 18:09:50 -0500
    From:        Grisha Levit <grishale...@gmail.com>
    Message-ID:  
<CAMu=BrpLATcZpCYo4V_Tnua8t-qUZE+OjVoaVs=_86whvw0...@mail.gmail.com>

  | A few more that produce \177 in the output, though I'm not sure if
  | these have defined output:

The ones using "$*" should be OK (well specified).

  | And also variations like the below all have \177 as well, but these
  | I'm pretty sure are undefined:

Yes, using $@ in any assignment context is unspefified.

kre



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