bug#15152: put-char documentation

[Mark H Weaver]

Josep Portella Florit <address@hidden> writes:

> There is another little error in `doc/ref/api-io.texi'.  The
> documentation for put-char ends abruptly:
>
> @deffn {Scheme Procedure} put-char port char
> Writes @var{char} to the port. The @code{put-char} procedure returns
> @end deffn
>
> It should be:
>
> @deffn {Scheme Procedure} put-char port char
> Writes @var{char} to the port. The @code{put-char} procedure returns
> an unspecified value.
> @end deffn

Fixed in 803c087e6b72f59ed9e529c1e1ca4fbe34e8eda5.

    Thanks!
      Mark