diff --git a/automation/v4-docs/basic-function-interface.txt b/automation/v4-docs/basic-function-interface.txt
index 6690e09c3..0d11b8acd 100644
--- a/automation/v4-docs/basic-function-interface.txt
+++ b/automation/v4-docs/basic-function-interface.txt
@@ -328,3 +328,24 @@ Returns: Boolean.
 
 ---
 
+Script information globals
+
+These are a series of global variables, the script author can set. They are
+purely informational, and won't have any actual influence on how the script
+is treated.
+
+script_name (string)
+  A short, descriptive name for the script, used for presenting it to the
+  user in the UI.
+
+script_description (string)
+  A longer description of the purpose of the script, presented to the user
+  in the UI.
+
+script_author (string)
+  Name(s) of the author(s) of the script.
+
+script_version (string)
+  Version number of the script.
+
+---
diff --git a/core/auto4_base.cpp b/core/auto4_base.cpp
new file mode 100644
index 000000000..f9f15433b
--- /dev/null
+++ b/core/auto4_base.cpp
@@ -0,0 +1,230 @@
+// Copyright (c) 2006, Niels Martin Hansen
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+//   * Redistributions of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//   * Redistributions in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//   * Neither the name of the Aegisub Group nor the names of its contributors
+//     may be used to endorse or promote products derived from this software
+//     without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//
+// -----------------------------------------------------------------------------
+//
+// AEGISUB
+//
+// Website: http://aegisub.cellosoft.com
+// Contact: mailto:zeratul@cellosoft.com
+//
+
+#include "auto4_base.h"
+
+namespace Automation4 {
+
+
+	// Feature
+
+	Feature::Feature(ScriptFeatureClass _featureclass, wxString &_name)
+		: featureclass(_featureclass), name(_name)
+	{
+		// nothing to do
+	}
+
+	ScriptFeatureClass Feature::GetClass() const
+	{
+		return featureclass;
+	}
+
+	const FeatureMacro* Feature::AsMacro() const
+	{
+		if (featureclass == SCRIPTFEATURE_MACRO)
+			return static_cast<const FeatureMacro*>(this);
+		return 0;
+	}
+
+	const FeatureFilter* Feature::AsFilter() const
+	{
+		if (featureclass == SCRIPTFEATURE_FILTER)
+			return static_cast<const FeatureFilter*>(this);
+		return 0;
+	}
+
+	const FeatureReader* Feature::AsReader() const
+	{
+		if (featureclass == SCRIPTFEATURE_READER)
+			return static_cast<const FeatureReader*>(this);
+		return 0;
+	}
+
+	const FeatureWriter* Feature::AsWriter() const
+	{
+		if (featureclass == SCRIPTFEATURE_WRITER)
+			return static_cast<const FeatureWriter*>(this);
+		return 0;
+	}
+
+	const wxString& Feature::GetName() const
+	{
+		return name;
+	}
+
+
+	// FeatureMacro
+
+	FeatureMacro::FeatureMacro(wxString &_name, wxString &_description, MacroMenu _menu)
+		: Feature(SCRIPTFEATURE_MACRO, _name), description(_description), menu(_menu)
+	{
+		// nothing to do
+	}
+
+	const wxString& FeatureMacro::GetDescription() const
+	{
+		return description;
+	}
+
+	MacroMenu FeatureMacro::GetMenu() const
+	{
+		return menu;
+	}
+
+
+	// FeatureFilter
+
+	FeatureFilter::FeatureFilter(wxString &_name, wxString &_description, int _priority)
+		: Feature(SCRIPTFEATURE_FILTER, _name), description(_description), priority(_priority)
+	{
+		// nothing to do
+	}
+
+	const wxString& FeatureFilter::GetDescription() const
+	{
+		return description;
+	}
+
+	int FeatureFilter::GetPriority() const
+	{
+		return priority;
+	}
+
+
+	// FeatureReader
+
+	FeatureReader::FeatureReader(wxString &_name, wxString &_extension, bool _is_text_format)
+		: Feature(SCRIPTFEATURE_READER, _name), extension(_extension), is_text_format(_is_text_format)
+	{
+		// nothing to do
+	}
+
+	const wxString& FeatureReader::GetExtension() const
+	{
+		return extension;
+	}
+
+	bool FeatureReader::GetIsTextFormat() const
+	{
+		return is_text_format;
+	}
+
+
+	// FeatureWriter
+
+	FeatureWriter::FeatureWriter(wxString &_name, wxString &_extension, bool _is_text_format)
+		: Feature(SCRIPTFEATURE_WRITER, _name), extension(_extension), is_text_format(_is_text_format)
+	{
+		// nothing to do
+	}
+
+	const wxString& FeatureWriter::GetExtension() const
+	{
+		return extension;
+	}
+
+	bool FeatureWriter::GetIsTextFormat() const
+	{
+		return is_text_format;
+	}
+
+
+	// Script
+
+	Script::Script(wxString &_filename)
+		: filename(_filename), name(_T("")), description(_T("")), author(_T("")), version(_T(""))
+	{
+		// nothing to do..?
+	}
+
+	const wxString& Script::GetFilename() const
+	{
+		return filename;
+	}
+
+	const wxString& Script::GetName() const
+	{
+		return name;
+	}
+
+	const wxString& Script::GetDescription() const
+	{
+		return description;
+	}
+
+	const wxString& Script::GetAuthor() const
+	{
+		return author;
+	}
+
+	const wxString& Script::GetVersion() const
+	{
+		return version;
+	}
+
+	const std::vector<Feature*> Script::GetFeatures() const
+	{
+		return features;
+	}
+
+
+	// ScriptManager
+
+	ScriptManager::ScriptManager()
+	{
+		// do nothing...?
+	}
+
+	ScriptManager::~ScriptManager()
+	{
+		// do nothing...?
+	}
+
+	void ScriptManager::Add(Script *script)
+	{
+		// TODO
+	}
+
+	void ScriptManager::Remove(Script *script)
+	{
+		// TODO
+	}
+
+	const std::vector<Feature*>& ScriptManager::GetMacros(MacroMenu menu) const
+	{
+		return macros[menu];
+	}
+
+};
diff --git a/core/auto4_base.h b/core/auto4_base.h
new file mode 100644
index 000000000..cb0f1a045
--- /dev/null
+++ b/core/auto4_base.h
@@ -0,0 +1,198 @@
+// Copyright (c) 2006, Niels Martin Hansen
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+//   * Redistributions of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//   * Redistributions in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//   * Neither the name of the Aegisub Group nor the names of its contributors
+//     may be used to endorse or promote products derived from this software
+//     without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//
+// -----------------------------------------------------------------------------
+//
+// AEGISUB
+//
+// Website: http://aegisub.cellosoft.com
+// Contact: mailto:zeratul@cellosoft.com
+//
+
+#pragma once
+
+#ifndef AUTO4_CORE_H
+#define AUTO4_CORE_H
+
+#include <wx/string.h>
+#include <vector>
+
+namespace Automation4 {
+
+	enum MacroMenu {
+		MACROMENU_NONE = 0,
+		MACROMENU_ALL = 0,
+		MACROMENU_EDIT,
+		MACROMENU_VIDEO,
+		MACROMENU_AUDIO,
+		MACROMENU_TOOLS,
+		MACROMENU_RIGHT,
+
+		MACROMENU_MAX // must be last
+	};
+	enum ScriptFeatureClass {
+		SCRIPTFEATURE_MACRO = 0,
+		SCRIPTFEATURE_FILTER,
+		SCRIPTFEATURE_READER,
+		SCRIPTFEATURE_WRITER,
+
+		SCRIPTFEATURE_MAX // must be last
+	};
+
+	class FeatureMacro;
+	class FeatureFilter;
+	class FeatureReader;
+	class FeatureWriter;
+	class Feature {
+	private:
+		ScriptFeatureClass featureclass;
+		wxString name;
+
+	protected:
+		Feature(ScriptFeatureClass _featureclass, wxString &_name);
+
+	public:
+		ScriptFeatureClass GetClass() const;
+		const FeatureMacro* AsMacro() const;
+		const FeatureFilter* AsFilter() const;
+		const FeatureReader* AsReader() const;
+		const FeatureWriter* AsWriter() const;
+
+		const wxString& GetName() const;
+	};
+
+	class FeatureMacro : public Feature {
+	private:
+		wxString description;
+		MacroMenu menu;
+
+	protected:
+		FeatureMacro(wxString &_name, wxString &_description, MacroMenu _menu);
+
+	public:
+		const wxString& GetDescription() const;
+		MacroMenu GetMenu() const;
+
+		virtual bool Validate(/* TODO: this needs arguments */) = 0;
+		virtual void Process(/* TODO: this needs arguments */) = 0;
+	};
+
+	class FeatureFilter : public Feature { // TODO: also inherit from export filter class?
+	private:
+		wxString description;
+		int priority;
+
+	protected:
+		FeatureFilter(wxString &_name, wxString &_description, int _priority);
+
+	public:
+		const wxString& GetDescription() const;
+		int GetPriority() const;
+
+		virtual void GetOptionsWindow(/* TODO: this needs arguments */) = 0; // TODO: return type
+		virtual void Process(/* TODO: this needs arguments */) = 0;
+	};
+
+	class FeatureReader : public Feature { // TODO: also inherit from SubtitleFormat class?
+	private:
+		wxString extension;
+		bool is_text_format;
+
+	protected:
+		FeatureReader(wxString &_name, wxString &_extension, bool _is_text_format);
+
+	public:
+		const wxString& GetExtension() const;
+		bool GetIsTextFormat() const;
+
+		virtual void Process(/* TODO: this needs arguments */) = 0; // TODO: return type
+	};
+
+	class FeatureWriter : public Feature { // TODO: also inherit from SubtitleFormat class?
+	private:
+		wxString extension;
+		bool is_text_format;
+
+	protected:
+		FeatureWriter(wxString &_name, wxString &_extension, bool _is_text_format);
+
+	public:
+		const wxString& GetExtension() const;
+		bool GetIsTextFormat() const;
+
+		virtual void Process(/* TODO: this needs arguments */) = 0; // TODO: return type
+	};
+
+	class Script {
+	private:
+		wxString filename;
+
+	protected:
+		wxString name;
+		wxString description;
+		wxString author;
+		wxString version;
+
+		std::vector<Feature*> features;
+
+		Script(wxString &_filename);
+
+	public:
+		virtual void Reload() = 0;
+
+		const wxString& GetFilename() const;
+		const wxString& GetName() const;
+		const wxString& GetDescription() const;
+		const wxString& GetAuthor() const;
+		const wxString& GetVersion() const;
+
+		const std::vector<Feature*> GetFeatures() const;
+	};
+
+	class ScriptManager {
+	private:
+		/*struct ScriptRecord {
+			Script *script;
+			int priority;
+		};*/
+		typedef Script* ScriptRecord;
+		std::vector<ScriptRecord> scripts;
+
+		std::vector<Feature*> macros[MACROMENU_MAX]; // array of vectors...
+
+	public:
+		ScriptManager();
+		~ScriptManager();
+		void Add(Script *script);
+		void Remove(Script *script);
+
+		const std::vector<Feature*>& GetMacros(MacroMenu menu) const;
+	};
+
+};
+
+#endif
diff --git a/core/automation.h b/core/automation.h
index bf90166bc..e0689cd6c 100644
--- a/core/automation.h
+++ b/core/automation.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2005, Niels Martin Hansen
+// Copyright (c) 2005, 2006, Niels Martin Hansen
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without