Re: How to create/add-to-existing headers in a posting style?

[Tassilo Horn]

asjo@koldfront.dk (Adam Sjøgren) writes:

Hi Adam,

> I have a group parameter set on a group where I set cc to something.
>
> This overwrites any Cc that is added by a wide reply in that group,
> which isn't quite what I want.
>
> Is there a way to have the posting style add to the Cc-list if a
> Cc-header already exists, and otherwise create it?

,----[ (info "(gnus)Posting Styles") ]
|    Each style may contain an arbitrary amount of "attributes".  Each
| attribute consists of a `(NAME VALUE)' pair.  In addition, you can also
| use the `(NAME :file VALUE)' form or the `(NAME :value VALUE)' form.
| Where `:file' signifies VALUE represents a file name and its contents
| should be used as the attribute value, `:value' signifies VALUE does
| not represent a file name explicitly.  The attribute name can be one of:
| 
|    The attribute name can also be a string or a symbol.  In that case,
| this will be used as a header name,[...]
| 
|    The attribute value can be a string, a function with zero arguments
| (the return value will be used), a variable (its value will be used)
| or a list (it will be `eval'ed and the return value will be
| used).
`----

So it seems you can have an posting style entry like that

  (Cc (save-excursion
        (message-goto-cc)
        (concat "theboss@company.invalid"
                (buffer-substring-no-properties
                  (point) (line-end-position)))

Totally untested, of course.

Bye,
Tassilo