Foton-redesign.md

+- Identify useful existing filter design tools and their file formats.
+
+- Decide on a replacement filter file format.
+  - Requirements:
+    + Unambiguous grammar.
+    + Plain text.
+    + Extensible.
+
+- Create code to translate from the existing filter file format to the replacement filter file format.
+
+- Create code to translate to and from the replacement filter file format and the file formats used by existing useful filter design tools.
+
+- Create a semantic checker for the replacement filter file format.
+
+- Translate all of the existing filter files to the replacement format.
+
+- Change the RCG to use the replacement file format.
+
+
+-----
+
+
 - Create a purely syntactic parser for the existing filter file format.
   + The parser should only check for syntactic issues, like malformed files.
   + The parser code should be generated automatically from a high level grammar description (similar to bison and yacc).