marker-api.md

Given this HTML:

<div sink=container>
  before
  <!start>
  between
  <!end>
  after
</div>

The parsed result would have 3 child text nodes. The API would behave like:

• div.beforeSinkStart is the "before" text node
• div.afterSinkEnd is the "end" text node
• div.getSinkRange() (if it exists) would return a range spanning just the "between" text node

Serializing would have to add <!start> and <!end> between the appropriate text nodes.

If there's anything that automaticaly merges text nodes (like div.normalize()) we might also need to prevent that.