Authoring
Three editing views
One document behind Canvas, Text and Source.


| View | Purpose |
|---|---|
| Canvas | Position, resize and style objects |
| Text | Edit content grouped by slide |
| Source | Edit all Markdown and object attributes |
Canvas and inspector edits serialize into the source. Source edits parse back into the same model.
Text highlights the current slide with a pale background. Source moves its cursor and scroll position to that slide's source. Blue thumbnail borders mark the editing slide; a green outer border marks the presented slide. Colored edge markers locate these slides when they are outside the visible list.
Invalid source displays an error and keeps the last valid canvas. Fix the syntax before saving; a failed parse never becomes an empty presentation.
New documents show raw $…$ and $$…$$ while editing. See text sizing.