code: @Override
      public int getIndex(String qName)
      {
          if (mElemStack == null) {
              return -1;
          }
          int ix = mElemStack.findAttributeIndex(null, qName);
          // !!! In ns-as-attrs mode, should also match ns decls?
          return ix;
      }
docs: /*
  ///////////////////////////////////////////////////
  Attributes (SAX2) implementation
  ///////////////////////////////////////////////////