In article <[EMAIL PROTECTED]>,
        Steven Schubiger <[EMAIL PROTECTED]> writes:
Maybe:

>  
> +=head1 META CHARACTERS
> +
> +  \     Quote the next metacharacter
> +  []    Character class
> +  {}    Multiple pattern     

{}  Comma separated list of patterns allowed at this point

> +  *     Match 0 or more times

*   Match 0 or more characters

> +  ?     Match 1 or 0 times

?   Match exactly one character

> +  ~     User name home directory

mm, also needs some clarification in that it can be followed either by a 
name or not. Maybe:

~who    Home directory of user who
~       Home directory of the user running the script

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