History lost after 44th history event. The 44th is a Move. Then all other history elements yield a blank next panel, where the old revision should be. Specific case below:
Revision 42 works in the normal way, by clicking on the history.
Revision 43 is visible only if you edit the URL. Clicking on the history panel does not change the URL:
Later revisions are not visible:
move logic more defensive (fix #320)
The journal entry that caused the problem was a "more" that referred to a story item that could not be found. The result was an "undefined" in the reconstructed story. My solution is to make the move logic more robust in this situation.