lib/mail/header.rb in mail-2.6.3 vs lib/mail/header.rb in mail-2.6.4.rc1

@@ -134,11 +134,11 @@
       name.downcase!
       selected = select_field_for(name)
       case
       when selected.length > 1
         selected.map { |f| f }
-      when !selected.blank?
+      when !Utilities.blank?(selected)
         selected.first
       else
         nil
       end
     end
@@ -164,14 +164,14 @@
       fn = name.downcase
       selected = select_field_for(fn)
       
       case
       # User wants to delete the field
-      when !selected.blank? && value == nil
+      when !Utilities.blank?(selected) && value == nil
         fields.delete_if { |f| selected.include?(f) }
         
       # User wants to change the field
-      when !selected.blank? && limited_field?(fn)
+      when !Utilities.blank?(selected) && limited_field?(fn)
         selected.first.update(fn, value)
         
       # User wants to create the field
       else
         # Need to insert in correct order for trace fields