Format XML with TextWrangler script broken in 4.0

[1]
#!/bin/sh
xmllint --c14n -- | XMLLINT_INDENT=$’\t’ xmllint --encode UTF-8 --format -


[2]
#!/bin/sh
xmllint --c14n "/dev/stdin" | XMLLINT_INDENT=$'\t' xmllint --encode UTF-8 --format -

[3]
#!/bin/sh
xmllint --c14n – | XMLLINT_INDENT=$’\t’ xmllint --encode UTF-8 --format -

[4]
#!/bin/sh
xmllint --c14n /dev/stdin | XMLLINT_INDENT=/dev/stdin’\t’ xmllint --encode UTF-8 --format -

[5]
#!/bin/sh
xmllint --c14n – | XMLLINT_INDENT=$’\t’ xmllint --encode UTF-8 --format -