When working on Voyager with a .vl.json as source file, we should set isDirty when we made changes in Voyager, to indicate to JupyterLab that it should style the tab appropriately (with a dot rather than a cross), and will pop up dialog if you try to close Voyager when it has unsaved work.
When working on Voyager with a .vl.json as source file, we should set isDirty when we made changes in Voyager, to indicate to JupyterLab that it should style the tab appropriately (with a dot rather than a cross), and will pop up dialog if you try to close Voyager when it has unsaved work.