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- From: cameron@symcom.math.uiuc.edu (Cameron Smith)
- Newsgroups: comp.text.tex
- Subject: Where is (1in, 1in) specified?
- Message-ID: <BrwuL2.9x0@news.cso.uiuc.edu>
- Date: 24 Jul 92 20:36:35 GMT
- Sender: usenet@news.cso.uiuc.edu (Net Noise owner)
- Organization: none
- Lines: 33
-
- I once said I didn't want to read Volume B of the Computers
- and Typesetting series (TeX: The Program), and that I was waiting
- for the movie to come out. Well, I take it back. I have long
- wondered why the reference point for DVI files, instead of being
- at the upper left corner of the page, is 1 inch down and 1 inch
- in from the corner. I finally resolved to go to the library and
- check out the source and find out.
-
- Naturally, I can't find a reason anywhere. What's more, I was
- surprised to see that "\hoffset" and "\voffset" are not in the
- index! The only relevant remark I've found so far is in
- section 590, where it says
-
- the standard convention for output on normal size paper is
- to position each page so that the upper left-hand corner is
- exactly one inch from the left and the top
-
- It does not say (in that section at least) *why* this is the
- convention, or what in the DVI file (if anything) specifies this,
- or what changes in the DVI file if you use \hoffset and
- \voffset to reposition the print image on the paper.
-
- The library's copy of Volume B is apparently a first edition--
- at least, all it says on the copyright page is "copyright 1986"
- with no indication of which printing it is or anything like that.
- But surely \hoffset and \voffset were already part of TeX82 in
- December of 1985 (which is the date on Knuth's preface)?
-
- Any hints from DVI gurus or TeXperts familiar with The Program
- would be most welcome.
-
- --Cameron Smith
- cameron@symcom.math.uiuc.edu
-