 Fixed crash when redo is called on a TextBox with no redoable change. #666
 Fixed crash when redo is called on a TextBox with no redoable change. #666

Perspex/Perspex,AvaloniaUI/Avalonia,MrDaedra/Avalonia,AvaloniaUI/Avalonia,akrisiun/Perspex,jazzay/Perspex,AvaloniaUI/Avalonia,SuperJMN/Avalonia,SuperJMN/Avalonia,SuperJMN/Avalonia,SuperJMN/Avalonia,SuperJMN/Avalonia,wieslawsoltes/Perspex,SuperJMN/Avalonia,grokys/Perspex,jkoritzinsky/Avalonia,AvaloniaUI/Avalonia,jkoritzinsky/Avalonia,susloparovdenis/Avalonia,wieslawsoltes/Perspex,susloparovdenis/Perspex,wieslawsoltes/Perspex,wieslawsoltes/Perspex,wieslawsoltes/Perspex,jkoritzinsky/Avalonia,jkoritzinsky/Avalonia,jkoritzinsky/Avalonia,grokys/Perspex,Perspex/Perspex,susloparovdenis/Avalonia,AvaloniaUI/Avalonia,MrDaedra/Avalonia,wieslawsoltes/Perspex,OronDF343/Avalonia,jkoritzinsky/Avalonia,AvaloniaUI/Avalonia,OronDF343/Avalonia,jkoritzinsky/Avalonia,wieslawsoltes/Perspex,AvaloniaUI/Avalonia,jkoritzinsky/Perspex,SuperJMN/Avalonia,susloparovdenis/Perspex