From: melampus <henssel@...>
Date: 2008-01-29T21:09:56+09:00
Subject: Re: Spreadsheet Excel: How to merge cells?

>   format_merged = workbook.add_format(:align => "merge")
>   worksheet.write(0, 0, ["Host", "Date", "Headertext", "", "", "", "Something else"])

you never seem to apply the format after you have defined it?! I don't
this packages, but can you do something like:

 worksheet.write(0, 3, ["Headertext", "", "", ""], format_merged)