'),
                         appended = c.doc().append({text: 'Alice'}),
                         children = c.doc().children();
 
-                    expect(children.length).to.equal(1);
-                    expect(children[0].sameNode(appended)).to.be.true;
-                    expect(children[0].getText()).to.equal('Alice');
+                    expect(children.length).to.equal(2);
+                    expect(children[1].sameNode(appended)).to.be.true;
+                    expect(children[1].getText()).to.equal('Alice');
                 });
 
                 it('can put new NodeElement at the beginning', function() {
@@ -746,6 +810,44 @@ describe('Canvas', function() {
                     expect(sectionChildren[0].getText()).to.equal('Sometext');
                 });
             });
+
+            describe('unwrapping the whole content of a DocumentNodeElement', function() {
+                it('removes a DocumentNodeElement but keeps its content', function() {
+                    var c = canvas.fromXML('
'),
+                        section = c.doc(),
+                        div = c.doc().children()[0],
+                        span = div.children()[1];
+
+                    var range = div.unwrapContents(),
+                        sectionChildren = section.children();
+
+                    expect(sectionChildren).to.have.length(3);
+                    expect(sectionChildren[0].getText()).to.equal('Alice has');
+                    expect(sectionChildren[1].sameNode(span)).to.equal(true, 'span ok');
+                    expect(sectionChildren[2].getText()).to.equal(' cat');
+
+                    expect(range.element1.sameNode(sectionChildren[0])).to.equal(true, 'range start ok');
+                    expect(range.element2.sameNode(sectionChildren[2])).to.equal(true, 'range end ok');
+                });
+                it('merges text elements on the boundries', function() {
+                    var c = canvas.fromXML('
'),
+                        section = c.doc(),
+                        div = c.doc().children()[1],
+                        span = div.children()[1];
+
+                    var range = div.unwrapContents(),
+                        sectionChildren = section.children();
+
+                    expect(sectionChildren).to.have.length(3);
+                    expect(sectionChildren[0].getText()).to.equal('Alicehas a ');
+                    expect(sectionChildren[1].sameNode(span)).to.equal(true, 'span ok');
+                    expect(sectionChildren[2].getText()).to.equal('!!!');
+
+                    expect(range.element1.sameNode(sectionChildren[0])).to.equal(true, 'range start ok');
+                    expect(range.element2.sameNode(sectionChildren[2])).to.equal(true, 'range end ok');
+                });
+            });
+            
         });
 
         describe('Lists api', function() {
@@ -1259,25 +1361,6 @@ describe('Canvas', function() {
             expect(cursor.isSelectingSiblings()).to.equal(false, '"has" and "big" are not children');
             
         })
-
-        describe('zero width space handling', function() {
-            it('position range includes ZWS at the boundries of text in case when native selection api doesn\'t', function() {
-                var c = canvas.fromXML("
"),
-                    dom = c.doc().dom(),
-                    textNode = findTextNode(dom, 'Alice'),
-                    cursor = c.getCursor();
-
-                textNode.data = utils.unicode.ZWS + 'Alice';
-                getSelection.returns({anchorNode: textNode, anchorOffset: 1, focusNode: textNode, focusOffset: 1});
-                expect(cursor.getPosition().offset).to.equal(0);
-                expect(cursor.getPosition().offsetAtBeginning).to.equal(true, 'offset at beginning');
-                
-                textNode.data = 'Alice' + utils.unicode.ZWS;
-                getSelection.returns({anchorNode: textNode, anchorOffset: 5, focusNode: textNode, focusOffset: 5});
-                expect(cursor.getPosition().offset).to.equal(6);
-                expect(cursor.getPosition().offsetAtEnd).to.equal(true, 'offset at end');
-            });
-        });
     });
 
     describe('Serializing document to WLXML', function() {
@@ -1350,8 +1433,9 @@ describe('Canvas', function() {
 
             it('keeps white space between XML nodes - inline case', function() {
                 var xmlIn = '
',
-                c = canvas.fromXML(xmlIn),
-                xmlOut = c.toXML();
+                c = canvas.fromXML(xmlIn);
+                
+                var xmlOut = c.toXML();
 
                 var partsIn = xmlIn.split('\n\n\n'),
                     partsOut = xmlOut.split('\n\n\n');