template<typename T> class SmallVectorImpl;
/// hexdigit - Return the hexadecimal character for the
-/// given number \arg X (which should be less than 16).
+/// given number \p X (which should be less than 16).
static inline char hexdigit(unsigned X, bool LowerCase = false) {
const char HexChar = LowerCase ? 'a' : 'A';
return X < 10 ? '0' + X : HexChar + X - 10;