Aspose Words does not allow setting the Markup Insertions to Double striketrough, eventhtough MS Word allows this:
“DoubleStrikeThrough value can only be set for DeletedTextEffect, RevisedPropertiesEffect or MovedFro…...to DoubleStrikeThrough for Insertions Aspose.Words Product Family...allow setting the Markup Insertions to Double striketrough, eventhtough...