Function readhexaesc

extlibs/lua/src/llex.c:332–337

static int readhexaesc (LexState *ls) {
  int r = gethexa(ls);
  r = (r << 4) + gethexa(ls);
  luaZ_buffremove(ls->buff, 2);  /* remove saved chars from buffer */
  return r;
}


static unsigned long readutf8esc (LexState *ls) {