## mark a section (Learn more)

// 1. If there is just one text area, we use that. // // 2. If there are multiple, we ask the web view to “select all” // which goes to the active text area (hopefully) and then we // check which of the text areas in the DOM actually changed. // // There is a problem if either a text area has no content (in // which case select all makes no changes) or if everything is // already selected. If only one text area is in the state of // “select all would not affect it” and no text areas were // changed, we assume the one with that state is the active.

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