## Function: SB-UNICODE:UNICODE-EQUAL
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> Determines whether STRING1 and STRING2 are canonically equivalent after
> casefoldin8 (that is, ignoring case differences) according to Unicode. The
> START and END arguments behave like the arguments to STRING=. If :STRICT is
> NIL, UNICODE= tests compatibility equavalence instead.

### Lambda list
```cl
(sb-unicode::string1 sb-unicode::string2 &key sb-unicode::start1 sb-unicode::end1
 sb-unicode::start2 sb-unicode::end2 sb-unicode::strict)
```