9,10c9,10
< ARGS=2                # Two command line parameters expected.
< E_PARAM_ERR=65        # Param error.
---
> ARGS=2                # Two command-line parameters expected.
> E_PARAM_ERR=85        # Param error.
30c30
< Param_Error ()        # Command line parameters wrong.
---
> Param_Error ()        # Command-line parameters wrong.
38c38
< Parse_Date ()                 # Parse date from command line params.
---
> Parse_Date ()                 # Parse date from command-line params.
111c111
< if [ $# -ne "$ARGS" ]              # Require two command line params.
---
> if [ $# -ne "$ARGS" ]              # Require two command-line params.
146a147,152
> #  Exercise:
> #  --------
> #  If given only one command-line parameter, have the script
> #+ use today's date as the second.
> 
> 
148c154
< #+ the implementation of Gauss' Formula in a C program at:
---
> #+ the implementation of Gauss' Formula in a C program at
