Warning: prerequisite Unicode::String 2 not found.
Map8.xs: In function ‘XS_Unicode__Map8_recode8’:
Map8.xs:358:13: warning: implicit declaration of function ‘map8_recode8’; did you mean ‘map8_recode_8’? [-Wimplicit-function-declaration]
  358 |             map8_recode8(m1, m2, str, res, len, &rlen);
      |             ^~~~~~~~~~~~
      |             map8_recode_8