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alias x y + 1
^ unexpected '+', expecting end-of-input
^ unexpected '+', ignoring it
alias x y.z
^ unexpected '.', expecting end-of-input
^ unexpected '.', ignoring it
BEGIN { bar } + 1
^ unexpected '+', expecting end-of-input
^ unexpected '+', ignoring it
BEGIN { bar }.z
^ unexpected '.', expecting end-of-input
^ unexpected '.', ignoring it
END { bar } + 1
^ unexpected '+', expecting end-of-input
^ unexpected '+', ignoring it
END { bar }.z
^ unexpected '.', expecting end-of-input
^ unexpected '.', ignoring it
undef x + 1
^ unexpected '+', expecting end-of-input
^ unexpected '+', ignoring it
undef x.z
^ unexpected '.', expecting end-of-input
^ unexpected '.', ignoring it
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