Path: utzoo!mnetor!uunet!lll-winken!lll-tis!ames!mailrus!tut.cis.ohio-state.edu!rutgers!mtunx!lzaz!hutch
From: hutch@lzaz.ATT.COM (R.HUTCHISON)
Newsgroups: comp.text
Subject: Re: pic bug (not quite)
Message-ID: <117@lzaz.ATT.COM>
Date: 22 Apr 88 13:09:33 GMT
References: <921@hsi.UUCP> <197@wjh12.harvard.edu>
Organization: AT&T ISL Middletown NJ USA
Lines: 24
Keywords: pic
Summary: not postprocessor

In article <197@wjh12.harvard.edu>, bb@wjh12.harvard.edu (Brent Byer) writes:
[ In article <921@hsi.UUCP> stevens@hsi.UUCP (Richard Stevens) writes:
[ [I've encountered the following bug in pic, and was wondering if
[ [anyone has a fix.  I'm using the pic that came with DWB 2.0.
[ [
[ [Arrows in pic that go straight down or straight up have the head
[ [of the arrow shifted slightly to the left.  For example,
[ [
[ [         |                               |
[ [         |                               |
[ [       \ | /                            \|  /
[ [        \|/                              \ /
[ [
[ [      correct           this is what the bug produces (exaggerated)
[  [STUFF DELETED]
[ The bug is not really in pic; anal analysis of pic's output
[ will show it to be correct.  So, the problem is actually
> in some combination of ditroff and your post-processor.
> 

I've encountered the same problem but I don't think it is in the
postprocessor.  I say this because the same problem occurs when using
different postprocessors (PostScript, Imagen, proof).  If the pic output
is correct, then this would lead me to believe that it must be troff's
fault.  Just a thought.