cell.rb in rspreadsheet-0.2.10

- old
+ new

@@ -203,10 +203,11 @@
     raise 'Formula string must begin with "=" character' unless formulastring[0,1] == '='
     remove_all_value_attributes_and_content(xmlnode)
     remove_all_type_attributes
     Tools.set_ns_attribute(xmlnode,'table','formula','of:'+formulastring.to_s)
   end
+  def blank?; self.type==:empty or self.type==:unassigned end
 
 end
 
 # proxy object to allow cell.format syntax. Also handles all logic for formats.
 # @private
@@ -291,10 +292,9 @@
   def cell_style_node; style_node_with_partial_xpath("/style:style[@style:name=\"#{style_name}\"]/style:table-cell-properties") end
   def style_node_with_partial_xpath(xpath)
     return nil if cellnode.nil?
     cellnode.doc.root.find("./office:automatic-styles#{xpath}").first 
   end
-
 end
 
 end
 
 