syn.type("[enter]") not working in contenteditable div

[RainerSchwarze]

syn.type("[enter]", el) does not insert a line break in a contenteditable div; it works in a textarea.

To reproduce create a page with a div like so:

<div contenteditable="true" id="elem" style="width: 300px; height: 400px; border: 2px solid green;">
</div>

Call syn.type like so:

var el = document.getElementById("elem");
syn.type("hi[enter]ho", el);

The div will contain "hiho", but not the line break. When changing the div to a textarea, it will contain the line break.