fix \magnification for pdftex per http://silas.psfc.mit.edu/pdftexpatch/ and Ian Hutchinson msg, 31 May 2008 17:51:03

git-svn-id: svn://tug.org/texlive/trunk@8570 c570f23f-e606-0410-a88d-b1316a301751

3 files changed, 39 insertions, 1 deletions

diff --git a/Master/texmf-dist/tex/plain/config/pdfetex.ini b/Master/texmf-dist/tex/plain/config/pdfetex.ini
index e5b7c74d585..56b3462bbf7 100644
--- a/Master/texmf-dist/tex/plain/config/pdfetex.ini
+++ b/Master/texmf-dist/tex/plain/config/pdfetex.ini
@@ -1,5 +1,6 @@
 % Thomas Esser, 1998. public domain.
 \input pdftexconfig.tex
 \input etex.src
+\input pdftexmagfix.tex
 \dump
 \endinput
diff --git a/Master/texmf-dist/tex/plain/config/pdftex.ini b/Master/texmf-dist/tex/plain/config/pdftex.ini
index 12af71c38a5..bd788c28aed 100644
--- a/Master/texmf-dist/tex/plain/config/pdftex.ini
+++ b/Master/texmf-dist/tex/plain/config/pdftex.ini
@@ -1,6 +1,6 @@
 % Thomas Esser, 1998. public domain.
-% hyphenation tables are now set up in language.dat
 \input pdftexconfig.tex
 \input plain
+\input pdftexmagfix.tex
 \dump
 \endinput
diff --git a/Master/texmf-dist/tex/plain/config/pdftexmagfix.tex b/Master/texmf-dist/tex/plain/config/pdftexmagfix.tex
new file mode 100644
index 00000000000..ef550974a9a
--- /dev/null
+++ b/Master/texmf-dist/tex/plain/config/pdftexmagfix.tex
@@ -0,0 +1,37 @@
+% $Id$
+% pdftex \magnification fix by Heiko Oberdiek and Ian Hutchinson, 2007.
+% See http://silas.psfc.mit.edu/pdftexpatch/ for background.
+% Public domain.
+% 
+% This file is input from pdftex.ini and pdfetex.ini.
+% 
+\ifx\pdfoutput\undefined \else
+  \ifx\pdfoutput\relax \else
+    \catcode`@=11
+    \def\m@g{% replace plain.tex's definition, but start the same:
+      \mag\count@
+      \hsize6.5truein\vsize8.9truein\dimen\footins8truein
+      % And add these commands to fix the pdf sizes to be in true units.
+      \ppdfmag@fix\pdfhorigin   \ppdfmag@fix\pdfvorigin
+      \ppdfmag@fix\pdfpagewidth \ppdfmag@fix\pdfpageheight
+    }%
+    \def\ppdfmag@fix#1{#1=\expandafter\ppdfconvert@truept\the#1\relax}%
+    %
+    \begingroup
+      \catcode`P=12
+      \catcode`T=12
+      \lowercase{%
+    \endgroup
+    \def\ppdfconvert@truept#1PT{#1truept}%
+      }%
+    \catcode`@=12
+  \fi
+\fi
+%
+% Here's a simple test file, from Ian:
+%\magnification \magstep5
+%\hoffset -1 truein  \voffset -1 truein
+%\parindent 0pt  The top
+%\end
+% "The top" should come out truly in the upper-left corner.
+