Reduced unnecessary editor processing to improve performance (#352).
Reduced rate of toolbar UI checks to improve performance (fixes #352).
Updated markup processing to allow for 3+ markup sequences.
Updated markup processing to support links in non-editor documents.
Added creating italic font if only the main one is provided.
Added `CreateBareEditor` package method (#166).
Added `GetOutputNotebook` package method (#166).
Added `IsPanelDocked` package method (#166).