Tom Honermann questions

Tom Honermann answers

• Situation of char8_t / UTF8 chars pre-C++17 and poor-man-ing it?
• Canot read char8_t from basic_stringstream<char8_t>
• What is the printf() formatting character for char8_t *?
• How to safely convert const char* to const char8_t* in C++20?
• Is C++20 'char8_t' the same as our old 'char'?