xact metadata searches get passed up to the entry

That is, if a metadata tag cannot be found in a transaction, look in the
parent entry to see if it was set there.  Transactions "inherit"
notational details from their entries.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/item.h b/src/item.h
index 9621b541..96e0899b 100644
--- a/src/item.h
+++ b/src/item.h
@@ -120,9 +120,16 @@ public:
   }
 
   virtual bool has_tag(const string& tag) const;
+  virtual bool has_tag(const mask_t& tag_mask,
+		       const optional<mask_t>& value_mask = none) const;
+
   virtual optional<string> get_tag(const string& tag) const;
+  virtual optional<string> get_tag(const mask_t& tag_mask,
+				   const optional<mask_t>& value_mask = none) const;
+
   virtual void set_tag(const string& tag,
 		       const optional<string>& value = none);
+
   virtual void parse_tags(const char * p, int current_year = -1);
   virtual void append_note(const char * p, int current_year = -1);