--- hyperref.sty.old	2013-08-23 09:25:51.184281751 +0200
+++ /home/cklein/usr/pkg/texlive2013/texmf-dist/tex/latex/hyperref/hyperref.sty	2013-08-23 09:31:15.211257272 +0200
@@ -301,6 +301,7 @@
 \newif\ifHy@seminarslides
 \newif\ifHy@setpagesize
 \newif\ifHy@texht
+\newif\ifHy@trustdriverautodetect
 \newif\ifHy@psdextra
 \newif\ifHy@pdftoolbar
 \newif\ifHy@unicode
@@ -4223,6 +4224,9 @@
 \define@key{Hyp}{pdfescapeform}[true]{%
   \Hy@boolkey{pdfescapeform}{#1}%
 }
+\define@key{Hyp}{trustdriverautodetect}[false]{%
+  \Hy@boolkey{trustdriverautodetect}{#1}%
+}
 \def\@linkbordercolor{1 0 0}
 \def\@urlbordercolor{0 1 1}
 \def\@menubordercolor{1 0 0}
@@ -4628,7 +4632,10 @@
     \def\HyOpt@DriverType{ (custom)}%
     \let\Hy@driver\HyOpt@CustomDriver
   \fi
-  \Hy@Message{Driver\HyOpt@DriverType: \Hy@driver}%
+  \ifHy@trustdriverautodetect
+  \else
+    \Hy@Message{Driver\HyOpt@DriverType: \Hy@driver}%
+  \fi
   \chardef\Hy@VersionChecked=0 %
   \input{\Hy@driver.def}%
   \ifcase\Hy@VersionChecked