encoding bib-files: ACSII or UTF-8

Hallo,

I am during incorporation of papers from sources where I have to write
and copy paste references. I noticed while copying/pasting abstracts
from pdf from a journal "American Zoologist" that pybliographer could
show characters like arrows, some kind of double apostrophes, long
dashes (m-dash), but that these could not be saved into the bib-file. 

Is this bug or feature. I know that bib-files are strictly textfiles,
but do they by definition be coded in ascii or could utf-8 also be a
possibility?

Bernhard
-- 
Beate Fink-Kleine und Dr. Bernhard Kleine
Lenzkirch
[email protected]


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