
PASS Text.substringData() splitting surrogate pairs 
PASS Text.replaceData() splitting and creating surrogate pairs 
PASS Text.deleteData() splitting and creating surrogate pairs 
PASS Text.insertData() splitting and creating surrogate pairs 
PASS Comment.substringData() splitting surrogate pairs 
PASS Comment.replaceData() splitting and creating surrogate pairs 
PASS Comment.deleteData() splitting and creating surrogate pairs 
PASS Comment.insertData() splitting and creating surrogate pairs