CTTextCharacterProperties rPr = getRpR();
if(typeface == null){
if(rPr.isSetLatin()) rPr.unsetLatin();
if(rPr.isSetCs()) rPr.unsetCs();
if(rPr.isSetSym()) rPr.unsetSym();
} else {
if(isSymbol){
CTTextFont font = rPr.isSetSym() ? rPr.getSym() : rPr.addNewSym();
font.setTypeface(typeface);
} else {