doc/Contents

   codegen         Tutorial on Code Generation
   nitpick         User's Guide to Nitpick
   sledgehammer    User's Guide to Sledgehammer
   sugar           LaTeX Sugar for Isabelle documents
 
-Reference Manuals
+Main Reference Manuals
   isar-ref        The Isabelle/Isar Reference Manual
   implementation  The Isabelle/Isar Implementation Manual
   system          The Isabelle System Manual
 
 Old Manuals (outdated)