Restore data sign substitution functionality

zxingify / zxingify-objc

An Objective-C Port of ZXing

Apache License 2.0

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Restore data sign substitution functionality #382

Closed GrzesiekP closed 6 years ago

GrzesiekP commented 6 years ago

At some point in history, this functionality has been deleted and I don't know, why. It is useful in some cases, however. Additionally, I did some refactoring in connected areas.