FILE: C:\Program Files (x86)\Plesk\perl\lib\Unicode\Collate\Locale\sr.pl

--
+{
   locale_version => 1.31,
   suppress => [0x0418, 0x0438],
   entry => <<'ENTRY', # for DUCET v13.0.0
0439      ; [.23E5.0020.0002][.0000.0026.0002] # CYRILLIC SMALL LETTER SHORT I
0419      ; [.23E5.0020.0008][.0000.0026.0002] # CYRILLIC CAPITAL LETTER SHORT I
ENTRY
};

--