From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/106763 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Gerben Wierda Newsgroups: gmane.comp.tex.context Subject: Is there a robust way to find the first (or last intersection) of path p with path q? 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