Some Common issues in the tool

Hi Jaredly,

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Thanks for providing such a great tool, but still it contains bugs (especially for Firefox).
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1. While entering text in left hand side, As soon as user presses enter the text got broken (In Firefox) with first character remains in the level and other goes behind that.
2. Undo functionality is deleting nodes when used first time as reloaded a page.

Regards,
Manish Sharma

Start by reproducing both reported behaviors in Firefox: entering text on the left and pressing Enter, then using Undo immediately after reloading a page. Trace the relevant editor behavior from those interactions; done means text is not split or misplaced and the first Undo does not delete nodes.

Written by the indexing model from the issue text.