[latex3-commits] [git/LaTeX3-latex3-l3build] master: Only write (x)dvipdfmx specials if 'safe' (see #94) (110d6a3)

[Joseph Wright]

Repository : https://github.com/latex3/l3build
On branch  : master
Link       : https://github.com/latex3/l3build/commit/110d6a3bba809a5cb2763460ce1b2cce18034660

>---------------------------------------------------------------

commit 110d6a3bba809a5cb2763460ce1b2cce18034660
Author: Joseph Wright <joseph.wright at morningstar2.co.uk>
Date:   Fri Jul 26 23:31:33 2019 +0100

    Only write (x)dvipdfmx specials if 'safe' (see #94)
    
    Only do this for XeTeX and (u)pTeX, where (x)dvipdfmx
    is the best guess.


>---------------------------------------------------------------

110d6a3bba809a5cb2763460ce1b2cce18034660
 CHANGELOG.md |  4 ++++
 l3build.dtx  | 32 +++++++++++++++++++++-----------
 2 files changed, 25 insertions(+), 11 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27ea28f..b05453a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ this project uses date-based 'snapshot' version identifiers.
 
 ## [Unreleased]
 
+### Changed
+
+- Only write (x)dvipdfmx specials for XeTeX and (u)pTeX (see #94)
+
 ## [2019-06-27]
 
 ### Changed
diff --git a/l3build.dtx b/l3build.dtx
index 4ca8409..8ce3828 100644
--- a/l3build.dtx
+++ b/l3build.dtx
@@ -2246,15 +2246,20 @@
       \relax
   \fi
 \else
-  \special{%
-    pdf: docinfo
-      <<
-        /Creator        (TeX)
-        /CreationDate   ()
-        /ModDate        ()
-        /Producer       (\ifx\XeTeXversion\@undefined\else x\fi dvipdfmx)
-      >>
-  }
+  \ifnum 0%
+  \ifx\XeTeXversion\@undefined\else 1\fi
+  \ifx\kanjiskip\@undefined\else 1\fi
+  >0 %
+    \special{%
+      pdf: docinfo
+        <<
+          /Creator        (TeX)
+          /CreationDate   ()
+          /ModDate        ()
+          /Producer       (\ifx\XeTeXversion\@undefined\else x\fi dvipdfmx)
+        >>
+    }
+  \fi
 \fi
 %    \end{macrocode}
 %
@@ -2272,8 +2277,13 @@
     \pdfvariable objcompresslevel=0 %
   \fi
 \else
-  \special{dvipdfmx:config z 0}% Compress level
-  \special{dvipdfmx:config C 0x40}% Object compression
+  \ifnum 0%
+  \ifx\XeTeXversion\@undefined\else 1\fi
+  \ifx\kanjiskip\@undefined\else 1\fi
+  >0 %
+    \special{dvipdfmx:config z 0}% Compress level
+    \special{dvipdfmx:config C 0x40}% Object compression
+  \fi
 \fi
 %    \end{macrocode}
 %