Skip Logic "is in list" doesn't save the list of items if more than one item is selected in the list. To reproduce the error, choose a question, and set the skip logic to "is in list". Then select more than one item from the list provided. Then click off to another field. When you return, the list of items you selected isn't there. Instead, it has the ____ where you click to select them again. Saving the form before moving to another field doesn't make a difference. This happens with XForms 188.8.131.52 on OpenMRS Version: 1.8.3 Build 24510.
There is also a problem with skip logic not being saved (using "is equal to" with multiple of them) when you leave the form and open it again. This happens with VAKSEN is equal to DIPTHERIA TETANUS AND PERTUSSIS VACCINATION # 1, and some others. I'm now quite sure how to reproduce this error.