call-me-xequence

RichString::setHtml doesn't support <sup> and <sub> tags

1

The code below doesn't work properly: **sup** and **sub** tags are ignored ``` QXlsx::Document xlsx; QXlsx::RichString rich; rich.setHtml( "m2") xlsx.write("A1", rich); xlsx.saveAs("richtext1.xlsx"); ```

add fontscript to html #289

1

pull request for issue #289