On Tue, 14 Sep 2010 11:06:39 -0700, Daniel Goldin <danielgoldin@gmail.com> wrote:
> Non-programmer would like to simplify removing tags by using a single
> key to remove the index label from messages when run in emacs. Is there
> way to do this for this tag as well as other tags: I'm looking for
> something similar to "d" key in sup.

Hi, Daniel.  See the emacstips section of the wiki:

http://notmuchmail.org/emacstips/

specifically:

http://notmuchmail.org/emacstips/#custom_keybinding

jamie.