cancel (30dec13)

git-svn-id: svn://tug.org/texlive/trunk@32508 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 16 insertions, 6 deletions

diff --git a/Master/texmf-dist/tex/latex/cancel/cancel.sty b/Master/texmf-dist/tex/latex/cancel/cancel.sty
index 0aac2f61a0b..dbf2055da82 100644
--- a/Master/texmf-dist/tex/latex/cancel/cancel.sty
+++ b/Master/texmf-dist/tex/latex/cancel/cancel.sty
@@ -1,6 +1,9 @@
-% cancel.sty  version  2.1  12-Mar-2000.
+% cancel.sty  version  2.2  12-Apr-2013.
 % Donald Arseneau         asnd@triumf.ca
-% I contribute this software to the public domain.  No rights reserved.
+% This software is contributed to the public domain by its author, 
+% who disclaims all copyrights. For people and jurisdictions that 
+% do not recognize contribution to the public domain, this software 
+% is licensed by the terms of the unlicense, <http://unlicense.org/>.
 %
 % Commands:
 % ~~~~~~~~~
@@ -16,7 +19,7 @@
 %
 % Options:
 % ~~~~~~~~
-% Bt default, none of these commands affects the horizontal spacing, 
+% By default, none of these commands affects the horizontal spacing, 
 % so they might over-print neighboring parts of the formula (or text).
 % They do add their height to the expression, so there should never be 
 % unintended vertical overlap.  There is a package option [makeroom] to 
@@ -48,7 +51,7 @@
 % through math to indicate "cancellation" is poor design.  I don't recommend
 % that you use this package at all.
 
-\ProvidesPackage{cancel}[2000/03/12 v2.1 Cancel math terms]
+\ProvidesPackage{cancel}[2013/04/12 v2.2 Cancel math terms]
 
 \newcommand{\CancelColor}{}
 \newcommand{\cancelto}{1}% default option = smaller
@@ -75,7 +78,7 @@
   \@cancel{\@can@slash{+}\@can@slash{-}}\hbox{#1}\fi}
 
 \newcommand\@cancel[3]{%
-\@begin@tempboxa\hbox{\m@th$#2{#3}$}%
+\OriginalPictureCmds\@begin@tempboxa\hbox{\m@th$#2{#3}$}%
 \dimen@\height
 \setbox\@tempboxa\hbox{$\m@th\vcenter{\box\@tempboxa}$}%
 \advance\dimen@-\height % the difference in height
@@ -126,7 +129,7 @@
 \fi
 
 \newcommand\@cancelto[4]{%
-\@begin@tempboxa\hbox{\m@th$#3{#4}$}%
+\OriginalPictureCmds\@begin@tempboxa\hbox{\m@th$#3{#4}$}%
 \dimen@\width % wide
 \@min@pt\dimen@ 2\@min@pt\totalheight4
 \ifdim\totalheight<\dimen@
@@ -172,3 +175,10 @@
     \hfil \box\@tempboxa \kern\wd\z@ \hfil \cr}}
 
 \def\@min@pt#1#2{\ifdim#1<#2\p@ #1#2\p@ \relax\fi}
+
+% pict2e removes bounding box from line and vector, so use original
+% versions by declaring \OriginalPictureCmds; make it a no-op if undefined
+
+\@ifundefined{OriginalPictureCmds}{\let\OriginalPictureCmds\relax}{}
+
+% Sometime maybe find a better solution that uses all slopes with pict2e