Move tag validation to the right place.

app/models/trace.rb

@@ -3,7 +3,6 @@ class Trace < ActiveRecord::Base
 
   validates_presence_of :user_id, :name, :timestamp
   validates_presence_of :description, :on => :create
-  validates_format_of :tagstring, :with => /^[^\/;.,?]*$/
 #  validates_numericality_of :latitude, :longitude
   validates_inclusion_of :public, :inserted, :in => [ true, false]
   

app/models/tracetag.rb

@@ -1,6 +1,7 @@
 class Tracetag < ActiveRecord::Base
   set_table_name 'gpx_file_tags'
 
-  belongs_to :trace, :foreign_key => 'gpx_id'
+  validates_format_of :tag, :with => /^[^\/;.,?]*$/
 
+  belongs_to :trace, :foreign_key => 'gpx_id'
 end