Refactor navigation state management: unify position and command stacks into a single history vector - #776

Refactor navigation state management: unify position and command stacks into a single history vector#776

NSoiffer merged 3 commits into

daisy:maindaisy/MathCAT:mainfrom

moritz-gross:refactor/simplify-navigate-using-stack-datastructuremoritz-gross/MathCAT:refactor/simplify-navigate-using-stack-datastructureCopy head branch name to clipboard