Thanks for your inquiry. I have managed to reproduce the same issue at my side. I have logged this issue as WORDSNET-7539 in our issue tracking system. I have linked this forum thread to the same issue and you will be notified via this forum thread once this issue is resolved.
I have verified the status of this issue WORDSNET-7539 from our issue tracking system and like to share with you that this issue is under development phase. Hopefully, this issue will be fixed in next release of Aspose.Words. We will update you via this forum thread once this issue is resolved.