Divided into two sections ("main tags" and "text tags"), there are most of the html tags listed in the specifications. You can insert these tags, once you have selected an element, by clicking on the tag button. These will be entered according to the "insertion mode" field at the top. If it is not possible to insert a given tag in a certain position, its button will be disabled.
It is possible to insert and remove the "text tags" when editing the text of the page, similar to how word processing and WYSIWYG programs do.
It is possible to insert and remove the "text tags" when editing the text of the page, similar to how word processing and WYSIWYG programs do.