Re: nnimap subfolder problem

[Simon Josefsson <jas@extundo.com>]

Nicolas KOWALSKI <Nicolas.Kowalski@imag.fr> writes:

> Hello.
> 
> At work, I use the nnimap backend, which "talks" to an UW-imapd
> server. My folders are stored using subfolders, like the following:
> 
>   [ Misc -- 0 ]
>         0: INBOX
>         0: mail/drafts
>         0: mail/sent
>         0: mail/templates
>   [ Personal -- 0 ]
>         0: perso/famille
>         0: perso/misc
>   [ VERIMAG -- 0 ]
>         0: verimag/hardware
> 
> 
> My problem is : when I try to rename (G r) the group "perso/famille"
> to something like "perso/famille/misc", Gnus tells me the group has an
> invalid name...I suspect Gnus to not tolerate '/' characters in group
> names, but that is what I need in my case.
> 
> Any idea(s) ?

You need to customize the variable below.  Does anyone know why `/'
was forbidden in group names?  Maybe we can change the default?

`gnus-invalid-group-regexp'
     Regexp to match "invalid" group names when querying user for a
     group name.  The default value catches some *really* invalid group
     names who could possibly mess up Gnus internally (like allowing
     `:' in a group name, which is normally used to delimit method and
     group).

     IMAP users might want to allow `/' in group names though.

> PS : I tried to rename "perso/famille" to "perso.famille", this works;
>      but then I can not rename it to use subfolders 
>      ("perso/famille/misc").

Why not?  Creating a file perso.famille.misc should work fine, even if
there is a perso.famille file.  Perhaps this approach is the easist.

> PS 2: when I use nnml or nnfolder backends, Gnus stores groups using
> subdirectories for group names like "foo.bar.geez" (gives
> foo/bar/geez). Is it possible to use the same functionnality for
> nnimap backend ?

I don't think so, it would mean making `.' and `/' equivalent, and
that is something the IMAP server should do (if at all).