In this discussion confuse the font style and the font file.
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Please note that the font is a property of the drawing font, such as direct light, oblique, bold. They correspond to CSS properties, font-style and font-weight.
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The font file can include any number of font, though all the family (the headset).
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In essence, the question I would have to recommend the deletion of the svg version of the font and to make three files.