1 files changed, 11 insertions, 9 deletions
diff --git a/Master/texmf-dist/tex/latex/stackengine/stackengine.sty b/Master/texmf-dist/tex/latex/stackengine/stackengine.sty
index d974a3d91c6..a70e627f521 100644
--- a/Master/texmf-dist/tex/latex/stackengine/stackengine.sty
+++ b/Master/texmf-dist/tex/latex/stackengine/stackengine.sty
@@ -1,6 +1,6 @@
-\def\stackengineversionnumber{v3.21}
+\def\stackengineversionnumber{v3.22}
 \ProvidesPackage{stackengine}
-[2013/10/15 \stackengineversionnumber\ 
+[2013/11/06 \stackengineversionnumber\ 
  Stacking text and objects in convenient ways]
 % This work may be distributed and/or modified under the
 % conditions of the LaTeX Project Public License, either version 1.3
@@ -55,8 +55,10 @@
 %        \bracketVectorstack, \braceVectorstack, \vertvectorstack,
 %        and \ensurestackMath
 % V3.21 -Corrected a bug in \stackinset introduced in V3.11
+% V3.22 -Removed \usepackage{calc}
+%       -Corrected \@STRT placement to not inadvertantly force a \mathop
+%        on rows beginning with a minus sign.
 \RequirePackage{etoolbox}
-\usepackage{calc}
 
 \newtoggle{@doneROWreads}
 \newtoggle{stackloop@done}
@@ -181,9 +183,9 @@
   \def\@STRT{}%
   \if T\@strutlongstacks\if L#8\def\@STRT{\strut}\fi\fi%
   \sbox{\stackedbox}{%
-    \sbox{\@anchorbox}{\stack@delim\@STRT#2\stack@delim}%
-    \sbox{\@addedbox}{\stack@delim\@STRT#3\stack@delim}%
-    \settowidth{\@stackedboxwidth}{\stack@delim\@STRT#2\stack@delim}%
+    \sbox{\@anchorbox}{\@STRT\stack@delim#2\stack@delim}%
+    \sbox{\@addedbox}{\@STRT\stack@delim#3\stack@delim}%
+    \settowidth{\@stackedboxwidth}{\@STRT\stack@delim#2\stack@delim}%
     \if F#7%
       \ifdim\wd\@addedbox>\@stackedboxwidth%
         \settowidth{\@stackedboxwidth}{\stack@delim\@STRT#3\stack@delim}%
@@ -207,14 +209,14 @@
       \usebox{\@anchorbox}%
       \hspace{-.5\wd\@anchorbox}%
       \hspace{-.5\wd\@addedbox}%
-      \raisebox{\@boxshift}{\stack@delim\@STRT#3\stack@delim}%
+      \raisebox{\@boxshift}{\@STRT\stack@delim#3\stack@delim}%
       \hspace{-.5\wd\@addedbox}%
       \hspace{.5\@stackedboxwidth}%
     \else%
       \if l#5%
         \usebox{\@anchorbox}%
         \hspace{-\wd\@anchorbox}%
-        \raisebox{\@boxshift}{\stack@delim\@STRT#3\stack@delim}%
+        \raisebox{\@boxshift}{\@STRT\stack@delim#3\stack@delim}%
         \hspace{-\wd\@addedbox}%
         \hspace{\@stackedboxwidth}%
       \else%
@@ -223,7 +225,7 @@
           \hspace{-\wd\@anchorbox}%
           \usebox{\@anchorbox}%
           \hspace{-\wd\@addedbox}%
-          \raisebox{\@boxshift}{\stack@delim\@STRT#3\stack@delim}%
+          \raisebox{\@boxshift}{\@STRT\stack@delim#3\stack@delim}%
         \fi%
       \fi%
     \fi%