text_at with attributed text changes font size

[Hermanverschooten]

pdf
 |> set_font("Helvetica", 10)
 |> text_at({25,50}, [{ "test", size: 15}])
 |> text_at({25,100}, "This should be size 10, but it is 15!")
 |> text_at({25,50}, [{ "test", size: 15}, ""])
 |> text_at({25,100}, "This has size 10")

[Hermanverschooten]

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