public void nameSigil(char sigilName) {
    Sigil group = Sigil.fetch(sigilName);
    setGroup(group);

    setSigilName(sigilName);
    setInterpolation(SigilName.isInterpolating(sigilName));
  }
 public IElementType sigilNameType() {
   return SigilName.elementType(getSigilName());
 }