1 files changed, 11 insertions, 7 deletions
diff --git a/Master/texmf-dist/tex/latex/imakeidx/imakeidx.sty b/Master/texmf-dist/tex/latex/imakeidx/imakeidx.sty
index 285c4e390f2..5ea32e6666f 100644
--- a/Master/texmf-dist/tex/latex/imakeidx/imakeidx.sty
+++ b/Master/texmf-dist/tex/latex/imakeidx/imakeidx.sty
@@ -14,7 +14,7 @@
 %% 
 \NeedsTeXFormat{LaTeX2e}[2005/12/01]
 \ProvidesPackage{imakeidx}%
-   [2012/09/22 v1.2b Package for typesetting indices in a synchronous mode]
+   [2012/10/02 v1.2c Package for typesetting indices in a synchronous mode]
 
 
 
@@ -42,8 +42,9 @@
 \if@twocolumn\imki@originaltrue\fi
 \def\imki@exec{\immediate\write18}
 \def\imki@engine{(pdf)latex}
-\ifdefined\XeTeXversion\def\imki@engine{xelatex}\fi
-\ifdefined\directlua % luatex doesn't have \(pdf)shellescape
+\RequirePackage{ifxetex,ifluatex}
+\ifxetex\def\imki@engine{xelatex}\fi
+\ifluatex % luatex doesn't have \(pdf)shellescape
  \def\imki@engine{lualatex}
   \ifnum\luatexversion<68
     \chardef\imki@shellescape\@ne % no way to know the value
@@ -200,10 +201,13 @@
   \KV@imki@noautomatictrue
 \fi
 \newif\ifimki@fancyhdr
-\AtBeginDocument{\@ifpackageloaded{fancyhdr}{\imki@fancyhdrtrue}{\imki@fancyhdrfalse}%
-\ifimki@fancyhdr
-     \patchcmd{\theindex}{\imki@indexheaders}{\relax}{}{}%
-     \patchcmd{\theindex}{\thispagestyle}{\@gobble}{}{}\fi}
+\AtBeginDocument{%
+  \@ifpackageloaded{fancyhdr}{\imki@fancyhdrtrue}{\imki@fancyhdrfalse}%
+  \ifimki@fancyhdr
+    \patchcmd{\theindex}{\imki@indexheaders}{\relax}{}{}%
+    \patchcmd{\theindex}{\thispagestyle}{\@gobble}{}{}%
+  \fi
+}
 \ifimki@original
  \expandafter\def\expandafter\theindex\expandafter{\expandafter
     \imki@maybeaddtotoc\theindex}