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From: L A Walsh <bash@tlinx.org>
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Subject: Not missing, but very hard to see (was Re: Backslash missing in brace expansion)
Date: Thu, 12 Dec 2019 11:43:58 -0800
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On 2019/12/06 14:14, Chet Ramey wrote:

Seems very hard to print out that backquote though.  Closest I got
was bash converting it to "''":

>  read -r -a a< <(printf "%q " {Z..a})
>  my -p a
declare -a a=([0]="Z" [1]="\\[" [2]="''" [3]="\\]" [4]="\\^" [5]="_" 
[6]="\\\`" [7]="a")

#2 is where backslash would be and has been transliterated to the pair
of single quotes.  Guess "\\\\" was too messy looking?