Since KTML 4 is a WYSIWYG text editor for HTML documents, it was important to implement a function that would allow toggling the edit modes. Advanced users benefit from this as they can edit the document in the HTML format as well.
The KTML 4 editor has two editing modes, between
which you can switch by clicking the Show Code/Design
button from the toolbar:
The next two images illustrate the Design and the Code view for a certain page content:
Design view:
Code view: