newbie questions about notmuch.el

[Jani Nikula]

On Wed, Sep 6, 2017 at 11:42 AM, Tom Hirschowitz
<tom.hirschowitz at univ-smb.fr> wrote:
>
> I think Julien meant the 'flagged' tag: just press the space bar to
> switch it on and off.

I don't know what you have configured, but the default is:

c-h k SPC
"SPC runs the command notmuch-search-scroll-up"

> Regarding the second question, you may filter your search (e.g., by the
> 'flagged' tag) and then tag all messages by pressing *. IIRC there is no
> shortcut for filtering by default. I have this

'l' to filter by query, 't' to filter by tag.

BR,
Jani.