Eric Blake wrote 2009-07-20:
> Right now, wait_subprocess assumes that an exit status of 127 from the
> child process implies failure, and prints a message unless null_stderr is
> set. However, this led to a regression in m4 1.4.13 - an intentional
> status of 127 is ambiguous with failure only if
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Right now, wait_subprocess assumes that an exit status of 127 from the
child process implies failure, and prints a message unless null_stderr is
set. However, this led to a regression in m4 1.4.13 - an intentional
status of 127 is ambiguous with failu
