behavior:richtext
Image editing is driven by class EditableImage from richtext-utils.tis
image test
Table in editing mode contains additional caret positions at start and end of each row to insert new rows while typing.
| First cell | Second cell |
| Third cell |
| Fourth cell | Fifth cell |
Test of <br>
a
Test of two images 
and text after them
Test of inline-block element
Test of input handling inside editing environment
Note: Not finished, work in progress!