1 2 3
 4
Gecko
 ✅
 ✅
 ❌
 ✅
WebKit ❌ ❌ ❌ ❌
Blink ❌ ❌ ❌ ❌
Servo N/A* N/A* N/A* N/A*
Edge ❌ ❌ ❌ ❌
https://html-online.com/editor/ ❌ ❌ ❌ ❌
http://htmleditor.in ❌ ❌ ❌ ❌
TinyMCE ❌ ❌ ❌ ❌
BlueGriffon ✅ ✅ ❌ ✅
CKEditor ❌ ❌ ❌ ❌
Adobe Dreamweaver ✅ ✅ ❌ ✅
Flux 6 ❌ ❌ ❌ ❌

* contenteditable non available

In the lines below, ][ represents the caret.

Column 1:

Source markup is <dl><dt>foo][</dt></dl>, user presses CR.

Expected markup (a single <br/> after the caret is ok) : <dl><dt>foo</dt><dd>][</dd></dl>

Column 2:

Source markup is <dl><dt>foo</dt><dd>bar][</dd></dl>, user presses CR.

Expected markup (a single <br/> after the caret is ok) : <dl><dt>foo</dt><dd>bar</dd><dt>][</dt></dl>

Column 3:

Source markup is <dl><div><dt>foo</dt><dd>bar][</dd></div></dl>, user presses CR.

Expected markup is <dl><div><dt>foo</dt><dd>bar][</dd></div><div><dt>][</dt></div></dl>
or <dl><div><dt>foo</dt><dd>bar][</dd></div><dt>][</dt></dl>

Column 4:

Source markup is <dl><div><dt>foo][</dt></div></dl>, user presses CR.

Expected markup is <dl><div><dt>foo</dt><dd>][</dd></div></dl>