bug#39780: [PATCH] Mention 'spam-stat-process-directory-age' in the documentation

["Štěpán Němec" <stepnem@gmail.com>]

On Tue, 25 Feb 2020 13:58:12 +0100
Štěpán Němec wrote:

> I was at a loss as to why my attempt to set up spam-stat seemed to
> have no effect, only to find (digging in the code) that it was
> ignoring most of the sample files due to this undocumented variable.
>
> * doc/misc/gnus.texi (Creating a spam-stat dictionary): Document
> the variable 'spam-stat-process-directory-age'.
> ---
>  doc/misc/gnus.texi | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/doc/misc/gnus.texi b/doc/misc/gnus.texi
> index 424e15bc6d..718e269fc8 100644
> --- a/doc/misc/gnus.texi
> +++ b/doc/misc/gnus.texi
> @@ -25668,6 +25668,13 @@ Creating a spam-stat dictionary
>  file is treated as one non-spam mail.
>  @end defun
>  
> +@defvar spam-stat-process-directory-age
> +Maximum age of files to be processed, in days.  Without this filter,
> +re-training spam-stat with several thousand messages could take a long
> +time.  The default is 90, but you might want to set this to a bigger
> +value during the initial training.
> +@end defvar
> +
>  Usually you would call @code{spam-stat-process-spam-directory} on a
>  directory such as @file{~/Mail/mail/spam} (this usually corresponds to
>  the group @samp{nnml:mail.spam}), and you would call

Any reason not to include this in emacs-27?

-- 
Štěpán