While trying to make Regex.TDFA 0.91 install on 6.8.2

I got

[10 of 21] Compiling Text.Regex.TDFA.RunMutState ( Text/Regex/TDFA/RunMutState.\
hs, dist\build/Text/Regex/TDFA/RunMutState.o )

Text/Regex/TDFA/RunMutState.hs:601:9:
    Constructor `STUArray' should have 4 arguments, but has been given 3
    In the pattern: STUArray _ _ msource
    In the definition of `copySTU':
        copySTU (STUArray _ _ msource) (STUArray _ _ mdest)
                  = ST $ \ s1# -> case sizeofMutableByteArray# msource of n# ->\
 ...
^[]0;~/hackageTarGzs/regexstuff/regex-tdfa-0.92^G
^[[32mhartthoma@dbnycws28816 ^[[33m~/hackageTarGzs/regexstuff/regex-tdfa-0.92^[\
[0m

but I got stuck fixing it because the array documentation isn't there

http://www.haskell.org/ghc/docs/latest/html/libraries/haskell98/Array.html

assume I'm getting the above error because the array interface has changed

thomas.

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