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BUG?: (or what's going on?) test for NL == NL fails (bash-4.3.39(3)-release)

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>  printf "\n" |hexdump -C        
00000000  0a
>  printf "%s" $'\n'|hexdump -C
00000000  0a
>  if [[ $(printf "\n") == $'\n' ]]; then echo T; else echo F; fi
F

----
just noticed the problem doesn't happen if I try to use '\t' (tab)

>  printf "\t" |hexdump -C        
00000000  09
>  printf "%s" $'\t'|hexdump -C
00000000  09
>  if [[ $(printf "\t") == $'\t' ]]; then echo T; else echo F; fi
T

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BUG?: (or what's going on?) test for NL == NL fails (bash-4.3.39(3)-release) Linda Walsh <bash@tlinx.org> - 2015-08-02 12:30 -0700

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