Xerlin 1.3 copy/paste to library doesn't work

When I attempt to copy/paste a tag from a
document to a library the new library tree node is
titled "libitem" instead of the name I gave it.

Also, when I try to add a second library element,
nothing happens.

Here's the last few lines of stdout:

uration - what can go here: 0 ms.
Duration - what can go here: 0 ms.
appendChild: myIndices = [1] myNodes = [class
org.merlotxml.merlot.MerlotLibraryItem:libitem {}]
Node: fireNodeInserted(class
org.merlotxml.merlot.MerlotDOMElement:libshelf
{tools}, [1], [class
org.merlotxml.merlot.MerlotLibraryItem:libitem {}])
getParent = class
org.merlotxml.merlot.MerlotDOMElement:library
{tools} parent.getParent() = class
org.merlotxml.merlot.MerlotDOMElement:library
{tools}
This = class
org.merlotxml.merlot.MerlotDOMDocument:#document
Returning listeners: []
Can't validate libitem. XMLEditorDoc is null.
Can't validate libshelf. XMLEditorDoc is null.
Can't validate library. XMLEditorDoc is null.
XMLFile firePropertyChange: dirty
done importing frag
importFragment returns:
javax.swing.undo.CompoundEdit@13f99af
hasBeenDone: true alive: true inProgress: false
edits: [MerlotUndoableEdit [import, action=2,
node=class
org.merlotxml.merlot.MerlotLibraryItem:libitem
{}location=[0, 0, 1]]]
Not validating class
org.merlotxml.merlot.MerlotLibraryItem:libitem {}
because complexType is null.
Not validating class
org.merlotxml.merlot.MerlotLibraryItem:libitem {}
because complexType is null.