In article
Higgs Boson writes:
...for example, the "mamuals" group that recently appeared. I
looked around but could not find a way to delete selected posts
to this (or other) NG.

You appear to be using Google Groups, so the only solution available
to you is "make Google suck less."

For anyone not using a web interface, details depend on which
software you are using. Search the appropriate documentation for
"filters" or "killfile."

--
Drew Lawson | "But the senator, while insisting he was not
| intoxicated, could not explain his nudity."