Re: [PATCH v6 00/11] Fix icase grep on non-ascii

Junio C Hamano [off-list ref] writes:

I think somebody's implementation of "echo" is not POSIX kosher.

Oops, I misspoke.  s/POSIX/XSI/; obviously.

But the conclusion is the same.  echo '\\\tA' may say \\\tA or
backslash HT A, depending on the system, so we cannot rely on that
in tests that are meant to be portable.