Code Cleanup

- Renamed T2.h -> Task.h, T2.cpp -> Task.cpp.  This permanently avoids
  the problem where g++ on OpenBSD 4.5 fails because of the T class,
  which probably conflicts with C++ templates.  Who knows.

src/Task.h

@@ -0,0 +1,89 @@
+////////////////////////////////////////////////////////////////////////////////
+// task - a command line task list manager.
+//
+// Copyright 2006 - 2009, Paul Beckingham.
+// All rights reserved.
+//
+// This program is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free Software
+// Foundation; either version 2 of the License, or (at your option) any later
+// version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+// details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program; if not, write to the
+//
+//     Free Software Foundation, Inc.,
+//     51 Franklin Street, Fifth Floor,
+//     Boston, MA
+//     02110-1301
+//     USA
+//
+////////////////////////////////////////////////////////////////////////////////
+#ifndef INCLUDED_TASK
+#define INCLUDED_TASK
+
+#include <string>
+#include "Record.h"
+#include "Subst.h"
+#include "Sequence.h"
+
+class Task : public Record
+{
+public:
+  Task ();                       // Default constructor
+  Task (const std::string&);     // Parse
+  Task& operator= (const Task&); // Assignment operator
+  ~Task ();                      // Destructor
+
+  void parse (const std::string&);
+  std::string composeCSV ();
+
+  // Status values.
+  enum status {pending, completed, deleted, recurring /* , retired, deferred */};
+
+  // Public data.
+  Sequence sequence;
+  Subst    subst;
+
+  // Series of helper functions.
+  int id () const                                      { return sequence.size () ? sequence[0] : 0; }
+  void id (int anotherId)                              { sequence.push_back (anotherId); }
+
+  static status textToStatus (const std::string&);
+  static std::string statusToText (status);
+
+  status getStatus ();
+  void setSatus (status);
+
+  int getTagCount ();
+  bool hasTag (const std::string&);
+  void addTag (const std::string&);
+  void addTags (const std::vector <std::string>&);
+  void getTags (std::vector<std::string>&);
+  void removeTag (const std::string&);
+
+  void getAnnotations (std::vector <Att>&) const;
+  void setAnnotations (const std::vector <Att>&);
+  void addAnnotation (const std::string&);
+  void removeAnnotations ();
+
+  bool valid () const;
+
+private:
+  int determineVersion (const std::string&);
+  void legacyParse (const std::string&);
+
+private:
+/*
+  std::vector<std::string>           mTags;
+  std::vector<std::string>           mRemoveTags;
+*/
+};
+
+#endif
+////////////////////////////////////////////////////////////////////////////////