code: func fillCellDataFromInlineString(rawcell xlsxC, cell *Cell) {
  	cell.Value = ""
  	if rawcell.Is != nil {
  		if rawcell.Is.T != "" {
  			cell.Value = strings.Trim(rawcell.Is.T, " \t\n\r")
  		} else {
  			for _, r := range rawcell.Is.R {
  				cell.Value += r.T
  			}
  		}
  	}
  }
docs: // fillCellDataFromInlineString attempts to get inline string data and put it into a Cell.