#102 GCC 10以前仅支持Unicode转义(\uXXXX, \UXXXXXXXX) [GCC 10 Changes](https://gcc.gnu.org/gcc-10/changes.html#c-family) [😃 not allowed by g++](https://stackoverflow.com/questions/12692067) 因此Arduino IDE也是
#102
GCC 10以前仅支持Unicode转义(\uXXXX, \UXXXXXXXX)
GCC 10 Changes
😃 not allowed by g++
因此Arduino IDE也是