2.1.767 Part 1 Section 19.554, svg:stemh
a. The standard defines the attribute svg:stemh, contained within the element <style:font-face>
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This attribute is not supported in Word 2013, Word 2016, or Word 2019.
b. The standard defines the attribute svg:stemh, contained within the element <style:font-face>, contained within the parent element <office:font-face-decls>
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This attribute is not supported in Excel 2013, Excel 2016, or Excel 2019.