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…...set the font property if (node is Run run) { run.Font.DoubleStrikeThrough...GetChildNodes(NodeType.Run, true)) { childRun.Font.DoubleStrikeThrough = true;...