Missing normalization.

lib/BurguillosInfo/IndexUtils.pm

@@ -0,0 +1,27 @@
+package BurguillosInfo::IndexUtils;
+
+use v5.36.0;
+
+use strict;
+use warnings;
+use utf8;
+
+use feature 'signatures';
+
+use Unicode::Normalize qw/NFKD/;
+
+use Moo;
+
+sub normalize($self, $text) {
+    return undef if !defined $text;
+    my $decomposed = NFKD( $text );
+    $decomposed =~ s/\p{NonspacingMark}//g;
+    $decomposed =~ s/s\b//g;
+    $decomposed =~ s/a\b/o/g;
+    return $decomposed;
+}
+
+sub n(@args) {
+    normalize(@args);
+}
+1;