bug#9938: 24.0.91; doc string of `goto-line'

[Chong Yidong]

"Drew Adams" <drew.adams@oracle.com> writes:

> Nowhere does the doc string say that a numeric prefix arg is used as the
> line number to go to.
>  
> And it does not say that otherwise (no numeric prefix arg) you are
> prompted for the line number.  And that in that case the default value
> is the number at point, if any.  All it says is the last part, with no
> mention of prompting and no exception for a numeric prefix arg.
>  
> And it does not say what line number is used for plain `C-u'.  It says
> lots of stuff about `C-u', but not which line number is used.  You have
> to read the source code to figure out that plain `C-u' acts just like no
> prefix arg wrt LINE.

Fixed, thanks.