I installed the FCKeditor to provide WYSIWYG editing. It seems good.
I was then able to paste the Declarative modelling page in including the image.
A disadvantage is now there is no spell check and I got used to Firefox text editor providing that.
Comments
Strange that there is no spell check
Strange that there is no splel check, I had go t used to firefox checking for me too. Editor is nice though.
Enabling spell check in FCKeditor
Right click on editor and select "Spell check this field". Tested in firefox only and I'm not sure how to enable it by default.