1 files changed, 22 insertions, 3 deletions
diff --git a/Master/texmf-dist/tex/latex/standalone/standalone.cls b/Master/texmf-dist/tex/latex/standalone/standalone.cls
index a5d9474da06..34eeb872bda 100644
--- a/Master/texmf-dist/tex/latex/standalone/standalone.cls
+++ b/Master/texmf-dist/tex/latex/standalone/standalone.cls
@@ -18,8 +18,8 @@
 %%
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesClass{standalone}[%
-    2012/05/05
-    v1.1
+    2012/05/20
+    v1.1a
     Class to compile TeX sub-files standalone]
 \newif\ifstandalone
 \standalonetrue
@@ -776,6 +776,7 @@
     \sa@convertfalse
 \fi
 \ifsa@convert
+\let\sa@convert@stop\stop
 \begingroup
 \let\on@line\@gobble
 \def\sa@convert#1{%
@@ -793,10 +794,27 @@
     }{%
         \def\filemodbefore{}%
     }}}}%
+    \edef\@tempa{\jobname}
+    \edef\@tempb{\sa@convert@subjobname}
+    \@onelevel@sanitize\@tempa
+    \@onelevel@sanitize\@tempb
+    \@tempswafalse
+    \ifx\@tempa\@tempb
+        \@tempswatrue
+        \edef\infile@filemodbefore{\csname pdffilemoddate\endcsname{\infile}}%
+    \else
+        \global\let\sa@convert@stop\relax
+    \fi
     \immediate\write18{\sa@convert@latex\space\sa@convert@latexoptions\space
         -jobname \sa@convert@quote\sa@convert@subjobname\sa@convert@quote\space
         \sa@convert@quote\string\expandafter\string\def\string\csname\space
         sa@internal@run\string\endcsname{1}\string\input{\sa@convert@mainfile}\sa@convert@quote}%
+    \if@tempswa
+        \edef\infile@filemodafter{\csname pdffilemoddate\endcsname{\infile}}%
+        \ifx\infile@filemodbefore\infile@filemodafter
+            \global\let\sa@convert@stop\relax
+        \fi
+    \fi
     \edef\sa@convert@precommand{\sa@convert@precommand}%
     \ifx\sa@convert@precommand\@empty\else
         \immediate\write18{\sa@convert@precommand}%
@@ -854,6 +872,7 @@
 \relax% 0
     \sa@convert@failuremsg
         {standalone}{Shell escape disabled! Cannot convert file '\infile'.}{}%
+    \global\let\sa@convert@stop\relax
 \or% 1
     \sa@convert{Conversion unsuccessful!\MessageBreak
                 There might be something wrong with your\MessageBreak
@@ -862,7 +881,7 @@
     \sa@convert{Conversion failed! Please ensure that shell escape\MessageBreak is enabled (e.g. use '-shell-escape').}%
 \fi
 \endgroup
-\expandafter\stop
+\expandafter\sa@convert@stop
 \fi
 \begingroup
 \toks@\expandafter{%