Unicode string search and comparison

I'm trying to emulate a library that ignores diacritical characters in string comparisons. For example,

(search "a" "å test" :test #'lw:unicode-string-equal)

would return 0 instead of nil. Is there a function in LispWorks or a quicklisp library I'm missing that would facilitate this?

Thanks,

John DeSoi, Ph.D.

 

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