liblouis-dev 3.5.0-1ubuntu0.5 (armhf binary) in ubuntu bionic

 Liblouis is a braille translator and back-translator. It features support for
 computer and literary braille, supports contracted and uncontracted translation
 for many languages and has support for hyphenation. Liblouis also supports
 math braille (Nemeth and Marburg).
 .
 This package contains static libraries and development headers.