Feature: Selectively enable extensions
Everything may be broken… Simplified rollback!
Error printing: remove useless 'File "..."' prefix
Switch test cases to new error format
Trying to fix rollback
outline grammar: support toplevel expression
Fix lexer positions handling
Cleanup bufpos interface, fix position comparison
Adjust rollback handling in tell command
Modify grammar for ;; and end in top expressions
vim: automatically load "ocamlbuild" when editing myocamlbuild.ml
error-recovery: Feed one more token to re_sync