* Updated Unicode tables to version 12. This covers the new codepoints
added to the standard during 2019.
The lua-wcwidth module implements the wcwidth(3) function as specified by
the POSIX.1-2001 and POSIX.1-2008 specifications in pure Lua, without any
This function is mostly useful to determine how many “cells” a character
takes, in order to precisely write and position Unicode text content into
a terminal — or into any other output device using monospaced fonts.