LOWER_DOUBLE_EXP 2654 third_party/libxml/src/xpath.c #define FRACTION_DIGITS (DBL_DIG + 1 + (LOWER_DOUBLE_EXP))
LOWER_DOUBLE_EXP 2714 third_party/libxml/src/xpath.c 	    char work[DBL_DIG + EXPONENT_DIGITS + 3 + LOWER_DOUBLE_EXP];