break out $page_pre nfc

diff --git a/pumpkin-books.ps.pl b/pumpkin-books.ps.pl
index 9fb22d25bf1287dde72ca3684a16c07952a79e07..dc040049249275f98d3e66839f8d0466ab51db75 100755 (executable)
--- a/pumpkin-books.ps.pl
+++ b/pumpkin-books.ps.pl
@@ -14,6 +14,13 @@ my $white   = ["1  1   1", "0 0 0"];
 
 my $anychip = ['0.8', '0'];
 
+our $page_pre = <<END;
+72 25.4 div dup scale
+%210 0 translate
+%90 rotate
+7 10 translate
+END
+
 sub colour ($) {
   my ($c) = @_;
   if ($c =~ m{^(\d+)/(\d+)/(\d+)$}) {
@@ -486,10 +493,7 @@ END
 print <<END or die $!;
 %!
 
-72 25.4 div dup scale
-%210 0 translate
-%90 rotate
-7 10 translate
+$page_pre
 
 /tw 57.5 def
 /th 73 def