https://www.w3schools.com/hTml/html_table_colspan_rowspan.asp
HTML Table Colspan & Rowspan
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
html tablecolspanrowspan
https://forums.smartclient.com/forum/smart-gwt-technical-q-a/27170-ie9-bug-item-colspan-on-dynamicform
IE9 BUG : Item colspan on DynamicForm - SmartClient Forums
Developing applications with Smart GWT, the Google Web Toolkit edition of SmartClient
bugitemcolspanforums
https://wp-p.info/tpl_dictionary_rep.php?cat=dictionary-html&fl=colspan_rowspan&lang=en
colspan / rowspan | HTML Dictionary
Learn how to use colspan / rowspan.
colspanrowspanhtmldictionary