There is a little bug (or lets call is room for improvement) in the current version 1.3.8.
When you use individual function-calls like "&unit=%" make shure you really dont use any '' or ""!
Excample
&unit="%" will result in
style="color: rgb(238, 242, 228);" %="" ;=""*
Maybe in a future version of SimpleTag those parameters will be filtert and all "" and '' automatically deleted...
Thanks for the Great Plugin!