/usr/share/hevea/mappings/ is in hevea 2.23-2build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/hevea/mappings/ISO-8859-1.map
/usr/share/hevea/mappings/ISO-8859-10.map
/usr/share/hevea/mappings/ISO-8859-11.map
/usr/share/hevea/mappings/ISO-8859-13.map
/usr/share/hevea/mappings/ISO-8859-14.map
/usr/share/hevea/mappings/ISO-8859-15.map
/usr/share/hevea/mappings/ISO-8859-16.map
/usr/share/hevea/mappings/ISO-8859-2.map
/usr/share/hevea/mappings/ISO-8859-3.map
/usr/share/hevea/mappings/ISO-8859-4.map
/usr/share/hevea/mappings/ISO-8859-5.map
/usr/share/hevea/mappings/ISO-8859-6.map
/usr/share/hevea/mappings/ISO-8859-7.map
/usr/share/hevea/mappings/ISO-8859-8.map
/usr/share/hevea/mappings/ISO-8859-9.map
/usr/share/hevea/mappings/KOI8-R.map
/usr/share/hevea/mappings/US-ASCII.map
/usr/share/hevea/mappings/macintosh.map
/usr/share/hevea/mappings/windows-1250.map
/usr/share/hevea/mappings/windows-1251.map
/usr/share/hevea/mappings/windows-1252.map
/usr/share/hevea/mappings/windows-1257.map