3,4c3,4
< # empty line
< # Mark Moraes, University of Toronto
---
> # empty line.
> # Author: Mark Moraes, University of Toronto
9c9
< # ==> If no command line args present, then works on file redirected to stdin.
---
> # ==> If no command-line args present, then works on file redirected to stdin.
14c14
< # ==> If command line args present, then work on files named.
---
> # ==> If command-line args present, then work on files named.
20a21,22
> exit
> 
24a27,50
> 
> 
> /*
>  * Copyright University of Toronto 1988, 1989.
>  * Written by Mark Moraes
>  *
>  * Permission is granted to anyone to use this software for any purpose on
>  * any computer system, and to alter it and redistribute it freely, subject
>  * to the following restrictions:
>  *
>  * 1. The author and the University of Toronto are not responsible 
>  *    for the consequences of use of this software, no matter how awful, 
>  *    even if they arise from flaws in it.
>  *
>  * 2. The origin of this software must not be misrepresented, either by
>  *    explicit claim or by omission.  Since few users ever read sources,
>  *    credits must appear in the documentation.
>  *
>  * 3. Altered versions must be plainly marked as such, and must not be
>  *    misrepresented as being the original software.  Since few users
>  *    ever read sources, credits must appear in the documentation.
>  *
>  * 4. This notice may not be removed or altered.
>  */