isodoc.rb in isodoc-2.8.0

- old
+ new

@@ -8,9 +8,10 @@
 require "set"
 require "html2doc"
 require "liquid"
 require "htmlentities"
 require "relaton-render"
+require "vectory"
 
 require "isodoc/common"
 require "isodoc/convert"
 require "isodoc/metadata"
 require "isodoc/html_convert"