Function pop_back_utf8_char

common/console.cpp:336–350

Helper function to remove the last UTF-8 character from a string

    // Helper function to remove the last UTF-8 character from a string
    static void pop_back_utf8_char(std::string & line) {
        if (line.empty()) {
            return;
        }

        size_t pos = line.length() - 1;

        // Find the start of the last UTF-8 character (checking up to 4 bytes back)
        for (size_t i = 0; i < 3 && pos > 0; ++i, --pos) {
            if ((line[pos] & 0xC0) != 0x80) {
                break; // Found the start of the character
            }
        }
        line.erase(pos);
    }

    static bool readline_advanced(std::string & line, bool multiline_input) {
        if (out != stdout) {