2.1.837 Section 15.19, Connector Properties
a. The standard defines the parent element <style:graphic-properties>
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This is not supported in Word 2007.
b. The standard defines the parent element <style:graphic-properties>
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This is not supported in Excel 2007.
c. The standard defines the parent element <style:graphic-properties>
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This is not supported in PowerPoint 2007.