  * Languages Supported:

       * S family (R and S+ AKA S-PLUS)

       * SAS

       * OpenBUGS/JAGS

       * Stata

       * Julia

  * Editing source code (S family, SAS, OpenBUGS/JAGS, Stata, Julia)

       * Syntactic indentation and highlighting of source code

       * Partial evaluation of code

       * Loading and error-checking of code

       * Source code revision maintenance

       * Batch execution (SAS, OpenBUGS/JAGS)

       * Use of imenu to provide links to appropriate functions

  * Interacting with the process (S family, SAS, Stata, Julia)

       * Command-line editing

       * Searchable Command history

       * Command-line completion of S family object names and file names

       * Quick access to object lists and search lists

       * Transcript recording

       * Interface to the help system

  * Transcript manipulation (S family, Stata)

       * Recording and saving transcript files

       * Manipulating and editing saved transcripts

       * Re-evaluating commands from transcript files

  * Interaction with Help Pages and other Documentation (R)

       * Fast Navigation

       * Sending Examples to running ESS process.

       * Fast Transfer to Further Help Pages

  * Help File Editing (R)

       * Syntactic indentation and highlighting of source code.

       * Sending Examples to running ESS process.

       * Previewing