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From: bjornl@SICS.SE (Bj|rn Lisper)
Newsgroups: comp.text.tex
Subject: HELP with drawing dotted vertical lines
Message-ID: <9103040918.AA03738@hapi.sics.se>
Date: 4 Mar 91 09:18:00 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Reply-To: INFO-TeX@SHSU.BITNET
Lines: 5

Do you know about \vdots in math display mode? It's documented in the
TeXBook. I can't promise it fits your needs but it is good in multiline
formulas.
 
Bjorn Lisper