At 4:08:40 PM on Friday, May 15, 2009, llama_nom wrote:

> Thanks to you both. So it looks like the majority of
> editors have favoured <er> here. For some reason I
> couldn't find Finnur Jónsson's edition on Google Books,
> but it's been added from there to Internet Archive [
> http://www.archive.org/search.php?query=(brennu) ].

Google Books loused up the authors: they give Eugen Mogk,
one of the series editors, and Emil Olson, about whom I know
nothing. It's at
<http://books.google.com/books?id=VgY3AAAAMAAJ>.

Brian