Am Wed, 15 Apr 2015 13:00:48 +0100 schrieb Joseph Wright: > It's been pointed out to me that classical TeX does have this, so > presumably it is a deliberate change :-)
See also http://article.gmane.org/gmane.comp.tex.luatex.user/4993/match=hyphenation (triggered by http://tex.stackexchange.com/questions/229896/is-it-possible-to-allow-linebreaks-in-the-isbn-number-of-auto-generated-biblio) -- Ulrike Fischer http://www.troubleshooting-tex.de/
