input encodings - Special characters doesn't work with \usepackage[utf8]{ inputenc} - TeX - LaTeX Stack Exchange
unicode - TexStudio and TexLive 2021 in Custom Linux OS "Package inputenc error: Invalid UTF-8 byte sequence" - TeX - LaTeX Stack Exchange
Unicode: Resolving the issue of `Package inputenc Error: Unicode char not set up for use with LaTeX`
pdftex - solve "Unicode char is not set up for use with LaTeX" without special handling of every new interesting UTF-8 character - TeX - LaTeX Stack Exchange
unicode - Adding another language (Vietnamese) to the the latex template - TeX - LaTeX Stack Exchange
texniccenter - Conflict between UTF-8 and ANSI encoding - TeX - LaTeX Stack Exchange
GitHub - andrewcmyers/utf8math: Fairly comprehensive UTF-8 support for LaTeX (not via inputenc)