bug#18439: [PATCH] guile-readline: Use an empty string if HOME is unset

[Mark H Weaver]

Hi David,

David Michael <fedora....@gmail.com> writes:
> * guile-readline/ice-9/readline.scm (history-file): When the HOME
>   environment variable is unset, use the empty string in its place.

I would prefer to use "." in its place, instead of the empty string.
Otherwise, the patch looks good to me.

Can you send an updated patch?

     Thanks!
       Mark