"shell-expand-line" wrongly(?) expanded $'foo' to $foo

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From	Clark Wang <dearvoid@gmail.com>
Newsgroups	gnu.bash.bug
Subject	"shell-expand-line" wrongly(?) expanded $'foo' to $foo
Date	Wed, 1 Jul 2020 20:48:42 +0800
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See the following example (tested with bash 5.0.7):


# bind -q shell-expand-line
shell-expand-line can be invoked via "\e\C-e".

# echo $PWD      # press ESC C-e
# echo /root

# echo $( pwd )  # press ESC C-e
# echo /root

# echo $'foo'    # press ESC C-e
# echo $foo


Is this a bug?

-clark

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"shell-expand-line" wrongly(?) expanded $'foo' to $foo Clark Wang <dearvoid@gmail.com> - 2020-07-01 20:48 +0800

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