Incomplete command substitution in here-document not regarded as an error

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From	Oğuz <oguzismailuysal@gmail.com>
Newsgroups	gnu.bash.bug
Subject	Incomplete command substitution in here-document not regarded as an error
Date	Thu, 7 Nov 2019 00:37:41 +0300
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Show key headers only | View raw

cat <<EOF
$(seq 10
EOF

prints 1, while it should report a syntax error.

Can be reproduced on bash 4.4.20 and 5.0.11

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Incomplete command substitution in here-document not regarded as an error Oğuz <oguzismailuysal@gmail.com> - 2019-11-07 00:37 +0300

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