Re: gnus-registry flags API

[Reiner Steib <reinersteib+gmane@imap.cc>]

On Wed, Feb 06 2008, Ted Zlatanov wrote:

> On Wed, 16 Jan 2008 15:52:29 -0600 Ted Zlatanov <tzz@lifelogs.com> wrote: 
> TZ> 1) do we push the registry on everyone?  

I think it should be optional.

[...]
> TZ> gnus-registry-trim will always keep articles with marks and any other
> TZ> extra symbols you put in gnus-registry-extra-entries-precious.

Good.

> TZ> Please test and review if you have a chance.
>
> I haven't heard back about these questions, so:
>
> 1)
>
> Has anyone started using registry marks?  

I didn't, sorry.

> Also a formatting function that shows them in the modeline would be
> nice, but since there can be many flags and little space I'm not
> sure what's the best way to display them.

I'd expected them to show up in the summary buffer just like ticked,
answered, etc.  We could display a string or a small image (I never
tried):

  '(("Important" "I"    "summary_important")
    ("Work"      "W"    "summary_work")
    ("Personal"  "P"    "summary_personal")
    ("To do"     "T"    "summary_todo")
    ("Later"     "L"    "summary_later"))
  "Alist of regular expressions and summary line indicators."

("summary_*": images corresponding to the labels.)

Can we have multiple registry marks for a single article?  If not, we
may either display all strings/images or add a plus sign.

> Also, what keys should I bind to set custom flags in the group

s/group/summary/ ?

> and article buffers?

Maybe use `M m' or `M M' as prefix command?  (e.g. `M M t' for "To
do", ...)

> 2)
>
> If no one has objections, I'll set up the interactive query for registry
> first-time use in gnus.el.  There will be three values for
> gnus-registry-enabled:
>
> nil: unknown, ask the user next time
> t: enable
> 'no-thanks: user doesn't want it
>
> Every user will have to answer it by default.  Is that a bad idea?  

Yes.

> What else can I do?

I'd prefer an interface like `message-use-idna':

  :type '(choice (const :tag "Ask" ask)
		 (const :tag "Never" nil)
		 (const :tag "Always" t))

nil and t are clear, I think.  When `ask', prompt the user to enable
the registry when trying to set a mark (cf. the safe-local-variables
interface).  When the user allows, store gnus-registry-enabled = t in
via customize.

Is that feasible?

Bye, Reiner.
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