dock isabelle-session at bottom (again, cf. 37bdc2220cf8) to ensure that controls are fully visible;
Unsynchronized.setmp quick_and_dirty true
use_thys ["Common_Patterns"];
use_thys ["QuoDataType", "QuoNestedDataType", "Term", "SList",
"ABexp", "Tree", "Ordinals", "Sigma_Algebra", "Comb", "PropLog", "Com"];