More README contents

README.md

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 # Carp
 
-contains Carp language support for the Glamorous Toolkit.
+contains Carp language support for the Glamorous Toolkit. Heavy WIP.
+
+## Contents
+
+The repository contains:
+- A SmaCC parser for Carp,
+- a highlighter and styler for Carp code inside GT,
+- a snippet type for Carp Lepiter snippets,
+- a stand-alone code generator for Carp from an intermediate representation,
+- a work-in-progress booklet about the process of adding a language to GT, and
+- a work-in progress module IDE for Carp based on GT class coders.
+
+## Missing
+
+Still left to do are:
+- Finish the booklet,
+- “finish” the IDE (i.e. bring to a stable, cute state),
+- write the `LanguageLink` server and client and find a way to distribute the server, and
+- get you involved!
 
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