Re: [Lilypond-auto] Issue 2867 in lilypond: [musicxml2ly] missing <voice>-element in chorded note leads to unwanted

[lilypond]

Comment #1 on issue 2867 by address@hidden: [musicxml2ly] missing  
<voice>-element in chorded note leads to	unwanted
http://code.google.com/p/lilypond/issues/detail?id=2867

Here is the tiny example mentioned:
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE score-partwise PUBLIC
    "-//Recordare//DTD MusicXML 2.0 Partwise//EN"
    "http://www.musicxml.org/dtds/partwise.dtd";>
<score-partwise version="2.0">
    <work>
        <work-title>missing voice-element in chord leads to two  
staves</work-title>
    </work>
    <identification>
        <miscellaneous>
            <miscellaneous-field name="description">if there is no  
voice-element in a note-element containing a chord-element as well as a  
staff-element a second unwanted staff is printed.</miscellaneous-field>
        </miscellaneous>
    </identification>
    <part-list>
        <score-part id="P1">
            <part-name></part-name>
        </score-part>
    </part-list>
    <part id="P1">
        <measure number="1" width="325">
            <attributes>
                <divisions>6720</divisions>
                <key>
                    <fifths>0</fifths>
                    <mode>major</mode>
                </key>
                <time>
                    <beats>4</beats>
                    <beat-type>4</beat-type>
                </time>
                <clef>
                    <sign>G</sign>
                    <line>2</line>
                </clef>
            </attributes>
            <note>
                <pitch>
                    <step>C</step>
                    <octave>5</octave>
                </pitch>
                <duration>26880</duration>
                <voice>1</voice>
                <type>whole</type>
                <staff>1</staff>
            </note>
            <note>
                <chord />
                <pitch>
                    <step>A</step>
                    <octave>4</octave>
                </pitch>
                <duration>26880</duration>
                <!--<voice>1</voice>-->
                <type>whole</type>
                <staff>1</staff>
            </note>
        </measure>
    </part>
</score-partwise>