3 files changed, 24 insertions, 4 deletions
diff --git a/Master/texmf-dist/doc/latex/graphics-def/README.md b/Master/texmf-dist/doc/latex/graphics-def/README.md
index 00e9568065b..f8109920f03 100644
--- a/Master/texmf-dist/doc/latex/graphics-def/README.md
+++ b/Master/texmf-dist/doc/latex/graphics-def/README.md
@@ -1,7 +1,7 @@
 LaTeX support for color and graphics
 ====================================
 
-Release 2017-06-25
+Release 2017-11-22
 
 This bundle contains the 'engine-dependent' part of support for
 color and graphics in LaTeX2e (the code here will also function
diff --git a/Master/texmf-dist/tex/latex/graphics-def/luatex.def b/Master/texmf-dist/tex/latex/graphics-def/luatex.def
index e063fefd082..f0072d0a18b 100644
--- a/Master/texmf-dist/tex/latex/graphics-def/luatex.def
+++ b/Master/texmf-dist/tex/latex/graphics-def/luatex.def
@@ -18,7 +18,7 @@
 %% https://github.com/latex3/graphics-def/issues
 %%
 \ProvidesFile{luatex.def}
-  [2017/06/24 v1.0f Graphics/color driver for luatex]
+  [2017/11/22 v1.0g Graphics/color driver for luatex]
 \def\GPT@space{ }
 \def\c@lor@arg#1{%
   \dimen@#1\p@
@@ -126,7 +126,17 @@
   \global\GPT@pagecolorfalse
 }
 \def\Gread@pdftex#1{%
-  \IfFileExists{#1}
+% Use low level test here not \IfFileExists to match \Gread@pdftex in
+% pdftex.def  and \Gread@eps test in graphics.
+% (IfFileExists might be modified by packages and
+% #1 has already been "processed" by \input@path.)
+  \openin\@inputcheck"#1" %
+  \ifeof\@inputcheck
+   \closein\@inputcheck
+   \expandafter\@secondoftwo
+  \else
+   \expandafter\@firstoftwo
+  \fi
     {\Gread@@pdftex{#1}}%
     {%
       \def\Gin@llx{0}%
@@ -482,7 +492,7 @@
 \fi
 \def\Gin@extensions{%
   .pdf,.png,.jpg,.mps,.jpeg,.jbig2,.jb2,%
-  .PDF,.PNG,.JPG,.JPEG,.JBIG2,.JB2
+  .PDF,.PNG,.JPG,.JPEG,.JBIG2,.JB2%
 }
 \@namedef{Gin@rule@.jpg}#1{{jpg}{.jpg}{#1}}
 \@namedef{Gin@rule@.jpeg}#1{{jpg}{.jpeg}{#1}}
@@ -504,7 +514,12 @@
       \catcode`\noexpand\>\the\catcode`\>\relax
       }%
     \@makeother\<\@makeother\<%
+    % supp-pdf.mkii tests against \undefined:
+    % just in case someone has defined it ...
+    \let\GPT@orig@undefined\undefined
+    \let\undefinded\@undefined
     \InputIfFileExists{supp-pdf.mkii}{}{}%
+    \let\undefined\GPT@orig@undefined
     \@tempa
   }{%
     % supp-pdf is probably already loaded.
diff --git a/Master/texmf-dist/tex/latex/graphics-def/pdftex.def b/Master/texmf-dist/tex/latex/graphics-def/pdftex.def
index 8e4430b261e..26f94e733ca 100644
--- a/Master/texmf-dist/tex/latex/graphics-def/pdftex.def
+++ b/Master/texmf-dist/tex/latex/graphics-def/pdftex.def
@@ -524,7 +524,12 @@ E     \else
       \catcode`\noexpand\>\the\catcode`\>\relax
       }%
     \@makeother\<\@makeother\<%
+    % supp-pdf.mkii tests against \undefined:
+    % just in case someone has defined it ...
+    \let\GPT@orig@undefined\undefined
+    \let\undefinded\@undefined
     \InputIfFileExists{supp-pdf.mkii}{}{}%
+    \let\undefined\GPT@orig@undefined
     \@tempa
   }{%
     % supp-pdf is probably already loaded.