Cannot set attributed string

[HosseinArabbeigi]

Hi there!

Thanks for amazing button library.
I need to to set attributed string but it doesn't work, my attributed string doesn't have any problem I did test it on a UILabel.

What I did try:

let attributsBold = [NSAttributedString.Key.font : UIFont.systemFont(ofSize: 16, weight: .bold)]
let attributsNormal = [NSAttributedString.Key.font : UIFont.systemFont(ofSize: 16, weight: .regular)]
let attributedString = NSMutableAttributedString(string: "Hi ", attributes:attributsNormal)
let boldStringPart = NSMutableAttributedString(string: "John", attributes:attributsBold)
attributedString.append(boldStringPart)
lgButton.attributedString = attributedString

• Device: [e.g. iPhone6]
• OS: [e.g. iOS 12]

[stale]

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