Can't run NewLISP in Ubuntu through libreadline.so.6

[LispUser]

I install NewLISP newLISP v.10.1.7 for UBUNTU on i386 UTF-8 enabled in Ubuntu 9.04.
When started output error:

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~$ newlisp: error while loading shared libraries: libreadline.so.6: cannot open shared object file: No such file or directory

In Synaptic only libreadline.so.5.
What can I do?

[LispUser]

I googled it and found for example.
Do symlink:

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~$ sudo ln -s /lib/libreadline.so.5 /lib/libreadline.so.6