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 the insertion revision: // Load the document Document doc =...set the font property if (node is Run run) { run.Font.DoubleStrikeThrough...