TextPropCollection pCol = (TextPropCollection)pStyles.getFirst();
TextPropCollection cCol = (TextPropCollection)cStyles.getFirst();
pCol.updateTextSize(s.length());
pCol.updateTextSize(s.length()+1);
cCol.updateTextSize(s.length());
cCol.updateTextSize(s.length()+1);
// Recreate rich text run with first styling
_rtRuns[0] = new RichTextRun(this,0,s.length(), pCol, cCol);