tr does not handle escape sequences correct #1817
Description
autoconf relies on the following snippet to generate a CRLF character:
echo X | tr X '\015'which is broken in uutils-coreutils and returns a 0:
uutils-tr
$ echo X | tr X '\015' | /bin/xxd
00000000: 300a 0.gnus tr:
echo X | tr X '\015' | /bin/xxd
00000000: 0d0a ..