CakeML:c74447249e34aa9bad9962a68ed36b4e86f87b56 Add a toplevel printing hook and the test #856 (printing) Merging into:fe46ca072678de42c6fdfc32f40eafeb917dab02 Fix proof broken by HOL changes making more rewrites automatic HOL:519942511e27fc113f3ebaebbae53aded1eb8134 Remove q which caused problems. Machine:stove 4.15.0-143-generic x86_64 GNU/Linux Claimed job