UTF_16_LOW_SURROGATE_P 1659 src/coding.c   	  if (! UTF_16_LOW_SURROGATE_P (c))
UTF_16_LOW_SURROGATE_P  762 src/coding.h     eassert (UTF_16_LOW_SURROGATE_P (low));
UTF_16_LOW_SURROGATE_P 5214 src/w32term.c  		  else if (UTF_16_LOW_SURROGATE_P (msg.msg.wParam)