tcolorbox (4jul13)

git-svn-id: svn://tug.org/texlive/trunk@31101 c570f23f-e606-0410-a88d-b1316a301751

22 files changed, 934 insertions, 496 deletions

diff --git a/Master/texmf-dist/doc/latex/tcolorbox/CHANGES b/Master/texmf-dist/doc/latex/tcolorbox/CHANGES
index 0c1acfe59f0..0fac352a7fc 100644
--- a/Master/texmf-dist/doc/latex/tcolorbox/CHANGES
+++ b/Master/texmf-dist/doc/latex/tcolorbox/CHANGES
@@ -1,247 +1,259 @@
-%% The LaTeX package tcolorbox - version 2.32 (2013/06/23)

-%%

-%% -------------------------------------------------------------------------------------------

-%% Copyright (c) 2006-2013 by Prof. Dr. Dr. Thomas F. Sturm <thomas dot sturm at unibw dot de>

-%% -------------------------------------------------------------------------------------------

-%%

-%% This work may be distributed and/or modified under the

-%% conditions of the LaTeX Project Public License, either version 1.3

-%% of this license or (at your option) any later version.

-%% The latest version of this license is in

-%%   http://www.latex-project.org/lppl.txt

-%% and version 1.3 or later is part of all distributions of LaTeX

-%% version 2005/12/01 or later.

-%%

-%% This work has the LPPL maintenance status `author-maintained'.

-%%

-%% This work consists of all files listed in README

-%%

-

-(2006-2011): pre publication usage

-

-version 1.00 (2011/12/08): initial public release

-

-version 1.01 (2012/01/26):

-- dates amended to \RequirePackage(s)

-- provision of the tcolorbox.tds.zip file for easier installation

-

-version 1.02 (2012/02/15)

-- documentation language changed from German to English

-- small correction of the theorem title line appearance

-

-version 1.10 (2012/03/01)

-- tcblatex style for listings changed (nolol added)

-- improved hyperref support

-- new keys parskip and noparskip

-- source code of the documentation added

-- new library 'documentation' to support LaTeX documentations

-  with several library commands, environments and keys (see documentation)

-

-version 1.20 (2012/03/16)

-- new geometry keys:

-  'lefttitle', 'leftupper', 'leftlower', 'righttitle', 'rightupper', 'rightlower'

-  and implementation changed for 'left' and 'right'

-- implementation for tcolorbox changed (adaption to height options)

-- new fixed height option keys:

-  'natural height', 'height', 'equal height group', 'minimum for equal height group',

-  'space', 'space to upper', 'space to lower', 'space to both', 'split',

-  'valign', 'valign lower',

-  'adjusted title'

-- new bounding box option keys:

-  'enlarge top by', 'enlarge bottom by', 'enlarge left by', 'enlarge right by',

-  'toggle enlargement'

-- preparations for a future skin changing option implemented

-- commands \brackets and \docAuxCommand added to the documentation library

-- documentation rearranged

-

-version 1.30 (2012/04/20)

-- several internal code changes to provide a 'skin' exchange mechanism

-- new keys for the core package:

-  'frame engine', 'interior titled engine', 'interior engine', 'segmentation engine'

-  'skin', 'graphical environment', 'geometry nodes', 'colupper', 'collower'

-- tcolorbox now defined as 'long' macro

-- new keys for the library 'listings':

-  'comment', 'listing and comment', 'comment and listing'

-- new library 'skins' with the skins

-  'standard', 'enhanced', 'freelance', 'bicolor', 'beamer', 'widget'

-- keys for the library 'skins':

-  'frame style', 'interior style', 'segmentation style'

-  'frame code', 'interior titled code', 'interior code', 'segmentation code',

-  'colbacklower'

-

-version 2.00 (2013/03/01)

-- breaking news: the new library 'breakable' adds breaking support to tcolorbox.

-- e-TeX now used instead of calc

-- new key 'adjust text' and new implementation for 'adjusted title'

-- new geometry keys:

-  'toprule', 'toprule at break', 'bottomrule', 'bottomrule at break',

-  'leftrule', 'rightrule', 'titlerule', 'outer arc', 'auto outer arc',

-  'toptitle', 'bottomtitle'

-- new bounding box keys:

-  'enlarge top at break by', 'enlarge bottom at break by'

-- new overlay keys:

-  'overlay', 'no overlay', 'overlay broken', 'overlay unbroken',

-  'overlay first', 'overlay middle', 'overlay last',

-  'overlay unbroken and first', 'overlay middle and last'

-- new key: 'parbox' to change text behaviour

-- new library 'breakable' for breakable boxes with the new keys:

-  'breakable', 'unbreakable', 'title after break', 'notitle after break',

-  'adjusted title after break', 'lines before break', 'shrink break goal'

-- new keys for the 'skins' library

-  'skin first', 'skin middle', 'skin last', 'title engine', 'pathfirst',

-  'pathmiddle', 'pathlast', 'title style', 'title code', 'enhancedfirst',

-  'enhancedmiddle', 'enhancedlast', 'enhanced', 'marker', 'bicolor',

-  'bicolorfirst', 'bicolormiddle', 'bicolorlast', 'beamer',

-  'beamerfirst', 'beamermiddle', 'beamerlast', 'draft', 'freelance', 'standard'

-- NOTE: skins 'beamer' and 'widget' changed

-  use the new style options 'beamer' and 'widget' to get the old appearance

-- new watermark keys:

-  'watermark text', 'watermark text on', 'watermark graphics',

-  'watermark graphics on', 'watermark tikz', 'watermark tikz on',

-  'no watermark', 'watermark opacity', 'watermark color',

-  'watermark zoom', 'watermark stretch'

-

-version 2.01 (2013/03/07)

-- bug fix: superfluous vertical space for a breakable box which appeared after a page break

-- bug fix: height computation error when a broken boxed starts with a segmentation line

-- new key for the 'listings' library:

-  'listing inputencoding'

-- new library 'listingsutf8' as variant of 'listings' with new key

-  'listing utf8'

-- keys 'toprule at break', 'bottomrule at break',

-  'enlarge top at break by', 'enlarge bottom at break by'

-  moved from core package to 'breakable' library.

-- new keys for the 'breakable' library:

-  'topsep at break', 'bottomsep at break', 'pad before break',

-  'pad after break', 'pad at break'

-

-version 2.02 (2013/03/13)

-- minor bug fix: segmentation line of 'enhanced' now matches 'standard'

-- new macro '\tcbox' to draw a colorbox fitted to the content width

-- new key 'autoparskip' to detect usage of package parskip automatically

-- new key 'nobeforeafter'

-- new macro '\tcbline' in the 'skins' library to draw 'just lines'

-- new key 'colbacktitle' for the 'skins' library

-

-version 2.10 (2013/04/09)

-- bug fix: \tcbox ignored font settings

-- outdated documentation in German removed from package

-- new core package keys:

-  'oversize', 'tcbox raise', 'tcbox raise base',

-  'before title', 'after title', 'before upper', 'after upper', 'before lower',

-  'after lower', 'center title', 'center upper', 'center lower',

-  'tabularx*', 'tabularx', 'tikz upper', 'tikz lower',

-  'shrink tight', 'extrude left by', 'extrude right by', 'extrude top by',

-  'extrude bottom by', 'extrude by'

-- the 'theorems' library now loads 'amsmath'

-- new macros for the 'theorems' library:

-  '\tcboxmath', '\tcbhighmath'

-- new keys for the 'theorems' library:

-  'math upper', 'math lower', 'math', 'highlight math', 'highlight math style',

-  'ams equation upper', 'ams equation lower', 'ams equation', 'ams equation* upper',

-  'ams equation* lower', 'ams equation*', 'ams align upper', 'ams align lower',

-  'ams align', 'ams align* upper', 'ams align* lower', 'ams align*',

-  'ams gather upper', 'ams gather lower', 'ams gather', 'ams gather* upper',

-  'ams gather* lower', 'ams gather*',

-  'ams nodisplayskip upper', 'ams nodisplayskip lower', 'ams nodisplayskip'

-- new library 'hooks' for hook options with the new keys:

-  'before upper app', 'before upper pre', 'after upper app', 'after upper pre',

-  'before lower app', 'before lower pre', 'after lower app', 'after lower pre',

-  'before title app', 'before title pre', 'after title app', 'after title pre',

-  'before app', 'before pre', 'after app', 'after pre',

-  'overlay unbroken app', 'overlay unbroken pre', 'overlay first app', 'overlay first pre',

-  'overlay middle app', 'overlay middle pre', 'overlay last app', 'overlay last pre',

-  'overlay app', 'overlay pre', 'overlay broken app', 'overlay broken pre',

-  'overlay unbroken and first app', 'overlay unbroken and first pre',

-  'overlay middle and last app', 'overlay middle and last pre',

-  'watermark tikz app', 'watermark tikz pre', 'watermark tikz app on', 'watermark tikz pre on',

-  'watermark graphics app', 'watermark graphics pre', 'watermark graphics app on', 'watermark graphics pre on',

-  'watermark text app', 'watermark text pre', 'watermark text app on', 'watermark text pre on',

-  'frame code app', 'frame code pre', 'interior titled code app', 'interior titled code pre',

-  'interior code app', 'interior code pre', 'segmentation code app', 'segmentation code pre',

-  'title code app', 'title code pre'

-- colorization of source code snippets in the documentation

-

-version 2.20 (2013/04/17)

-- bug fix: problem with breaking boxes after headings

-- new feature: support for boxes with side by side content

-- new keys:

-  'sidebyside', 'sidebyside align', 'sidebyside gap',

-  'lefthand width', 'righthand width', 'lefthand ratio', 'righthand ratio'

-- key 'nofloat' documented

-- new keys for the 'listings' library:

-  'listing side text', 'text side listing'

-  'listing outside text', 'text outside listing'

-- new keys for the 'skins' library:

-  'frame hidden', 'interior hidden', 'segmentation hidden', 'title hidden'

-- new environments for the 'documentation' library:

-  'dispExample*', 'dispListing*'

-- the default style for 'highlight math' is changed to have no title

-- minor change of internal width computation

-- minor internal fixes

-- slight overhaul of the documentation

-

-version 2.21 (2013/04/23)

-- bug fix: \tcbox and 'sidebyside' needed 'breakable' library

-- bug fix: library 'tcbhooks' relied on etoolbox package

-- bug fix: breaking boxes between upper part and box frame

-- new macro '\newtcolorbox'

-- new macro '\newtcblisting' for the 'listings' library

-- new key 'code'

-- documentation corrections and extensions

-

-version 2.22 (2013/05/15)

-- bug fix: text color bleeded out of the box in some cases

-- bug fix: breakable boxes were too large in some cases (leading to blank pages)

-- bug fix: breaking boxes produced empty boxes in some cases

-- documentation forgot naming package 'colortbl' for the 'tabularx' option

-- new feature: breakable boxes allow footnotes now (like minipages)

-- new macro '\newtcbox'

-

-version 2.30 (2013/06/04)

-- bug fix: handling of 'before' and 'after' for \tcbox corrected

-- \tcbline now also works for centered environments

-- implementation for \tcbox made more efficient

-- new capture mode for automated content fit by font size adjustment

-  with the new macros '\tcboxfit' and '\newtcboxfit'

-  and the new keys 'fit', 'fit to', 'fit to height', 'fit basedim', 'fit skip',

-  'fit maxstep'

-- new keys 'baseline', 'capture', 'hbox', 'minipage'

-- new stackable borderlines with the 'skins' library:

-  'borderline', 'no borderline'

-- new keys for the 'skins' library:

-  'enhanced standard', 'blank'

-- new key 'index format' for the 'documentation' library

-

-version 2.31 (2013/06/18)

-- several internal changes

-- library loading mechanism revisited

-- internal label change for '\tcbmaketheorem'

-- new library options 'most' and 'all'

-- \tcbline now also works for ragged environments

-- new keys:

-  'flushleft title', 'flushleft upper', 'flushleft lower',

-  'flushright title', 'flushright upper', 'flushright lower'

-- new key 'no listing options' for the 'listings' library

-- new shadow features for the 'skins' library with the options:

-  'shadow', 'fuzzy shadow', 'drop shadow', 'drop fuzzy shadow', 'halo', 'fuzzy halo'

-- shadows for the 'beamer' skin changed to fuzzy

-- new library 'fitting' for the content fit operations.

-  NOTE: '\tcboxfit' and the fit options introduced in version 2.30 are moved

-        to this new library

-- the fit algorithm is completey revisited and extended

-- new macro '\tcbfontsize' ('fitting library') for relative font sizes

-- new keys for the 'fitting' library:

-  'fit fontsize macros', 'fit height plus', 'fit width plus',

-  'fit width from', 'fit height from'

-

-version 2.32 (2013/06/23)

-- bug fix: 'ams nodisplayskip lower' was applied to upper.

-- new option 'check odd page'

-- new environments for the 'skins' library:

-  'tcbclipinterior', 'tcbclipframe', 'tcbcliptitle'

-- new keys for the 'skins' library:

-  'watermark overzoom', 'clip watermark'

-  'clip title', 'clip upper', 'clip lower'

-- NOTE: watermarks are now clipped by default.

-  To get the old behaviour add the option 'clip watermark=false'

+%% The LaTeX package tcolorbox - version 2.33 (2013/07/04)
+%%
+%% -------------------------------------------------------------------------------------------
+%% Copyright (c) 2006-2013 by Prof. Dr. Dr. Thomas F. Sturm <thomas dot sturm at unibw dot de>
+%% -------------------------------------------------------------------------------------------
+%%
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3
+%% of this license or (at your option) any later version.
+%% The latest version of this license is in
+%%   http://www.latex-project.org/lppl.txt
+%% and version 1.3 or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%%
+%% This work has the LPPL maintenance status `author-maintained'.
+%%
+%% This work consists of all files listed in README
+%%
+
+(2006-2011): pre publication usage
+
+version 1.00 (2011/12/08): initial public release
+
+version 1.01 (2012/01/26):
+- dates amended to \RequirePackage(s)
+- provision of the tcolorbox.tds.zip file for easier installation
+
+version 1.02 (2012/02/15)
+- documentation language changed from German to English
+- small correction of the theorem title line appearance
+
+version 1.10 (2012/03/01)
+- tcblatex style for listings changed (nolol added)
+- improved hyperref support
+- new keys parskip and noparskip
+- source code of the documentation added
+- new library 'documentation' to support LaTeX documentations
+  with several library commands, environments and keys (see documentation)
+
+version 1.20 (2012/03/16)
+- new geometry keys:
+  'lefttitle', 'leftupper', 'leftlower', 'righttitle', 'rightupper', 'rightlower'
+  and implementation changed for 'left' and 'right'
+- implementation for tcolorbox changed (adaption to height options)
+- new fixed height option keys:
+  'natural height', 'height', 'equal height group', 'minimum for equal height group',
+  'space', 'space to upper', 'space to lower', 'space to both', 'split',
+  'valign', 'valign lower',
+  'adjusted title'
+- new bounding box option keys:
+  'enlarge top by', 'enlarge bottom by', 'enlarge left by', 'enlarge right by',
+  'toggle enlargement'
+- preparations for a future skin changing option implemented
+- commands \brackets and \docAuxCommand added to the documentation library
+- documentation rearranged
+
+version 1.30 (2012/04/20)
+- several internal code changes to provide a 'skin' exchange mechanism
+- new keys for the core package:
+  'frame engine', 'interior titled engine', 'interior engine', 'segmentation engine'
+  'skin', 'graphical environment', 'geometry nodes', 'colupper', 'collower'
+- tcolorbox now defined as 'long' macro
+- new keys for the library 'listings':
+  'comment', 'listing and comment', 'comment and listing'
+- new library 'skins' with the skins
+  'standard', 'enhanced', 'freelance', 'bicolor', 'beamer', 'widget'
+- keys for the library 'skins':
+  'frame style', 'interior style', 'segmentation style'
+  'frame code', 'interior titled code', 'interior code', 'segmentation code',
+  'colbacklower'
+
+version 2.00 (2013/03/01)
+- breaking news: the new library 'breakable' adds breaking support to tcolorbox.
+- e-TeX now used instead of calc
+- new key 'adjust text' and new implementation for 'adjusted title'
+- new geometry keys:
+  'toprule', 'toprule at break', 'bottomrule', 'bottomrule at break',
+  'leftrule', 'rightrule', 'titlerule', 'outer arc', 'auto outer arc',
+  'toptitle', 'bottomtitle'
+- new bounding box keys:
+  'enlarge top at break by', 'enlarge bottom at break by'
+- new overlay keys:
+  'overlay', 'no overlay', 'overlay broken', 'overlay unbroken',
+  'overlay first', 'overlay middle', 'overlay last',
+  'overlay unbroken and first', 'overlay middle and last'
+- new key: 'parbox' to change text behaviour
+- new library 'breakable' for breakable boxes with the new keys:
+  'breakable', 'unbreakable', 'title after break', 'notitle after break',
+  'adjusted title after break', 'lines before break', 'shrink break goal'
+- new keys for the 'skins' library
+  'skin first', 'skin middle', 'skin last', 'title engine', 'pathfirst',
+  'pathmiddle', 'pathlast', 'title style', 'title code', 'enhancedfirst',
+  'enhancedmiddle', 'enhancedlast', 'enhanced', 'marker', 'bicolor',
+  'bicolorfirst', 'bicolormiddle', 'bicolorlast', 'beamer',
+  'beamerfirst', 'beamermiddle', 'beamerlast', 'draft', 'freelance', 'standard'
+- NOTE: skins 'beamer' and 'widget' changed
+  use the new style options 'beamer' and 'widget' to get the old appearance
+- new watermark keys:
+  'watermark text', 'watermark text on', 'watermark graphics',
+  'watermark graphics on', 'watermark tikz', 'watermark tikz on',
+  'no watermark', 'watermark opacity', 'watermark color',
+  'watermark zoom', 'watermark stretch'
+
+version 2.01 (2013/03/07)
+- bug fix: superfluous vertical space for a breakable box which appeared after a page break
+- bug fix: height computation error when a broken boxed starts with a segmentation line
+- new key for the 'listings' library:
+  'listing inputencoding'
+- new library 'listingsutf8' as variant of 'listings' with new key
+  'listing utf8'
+- keys 'toprule at break', 'bottomrule at break',
+  'enlarge top at break by', 'enlarge bottom at break by'
+  moved from core package to 'breakable' library.
+- new keys for the 'breakable' library:
+  'topsep at break', 'bottomsep at break', 'pad before break',
+  'pad after break', 'pad at break'
+
+version 2.02 (2013/03/13)
+- minor bug fix: segmentation line of 'enhanced' now matches 'standard'
+- new macro '\tcbox' to draw a colorbox fitted to the content width
+- new key 'autoparskip' to detect usage of package parskip automatically
+- new key 'nobeforeafter'
+- new macro '\tcbline' in the 'skins' library to draw 'just lines'
+- new key 'colbacktitle' for the 'skins' library
+
+version 2.10 (2013/04/09)
+- bug fix: \tcbox ignored font settings
+- outdated documentation in German removed from package
+- new core package keys:
+  'oversize', 'tcbox raise', 'tcbox raise base',
+  'before title', 'after title', 'before upper', 'after upper', 'before lower',
+  'after lower', 'center title', 'center upper', 'center lower',
+  'tabularx*', 'tabularx', 'tikz upper', 'tikz lower',
+  'shrink tight', 'extrude left by', 'extrude right by', 'extrude top by',
+  'extrude bottom by', 'extrude by'
+- the 'theorems' library now loads 'amsmath'
+- new macros for the 'theorems' library:
+  '\tcboxmath', '\tcbhighmath'
+- new keys for the 'theorems' library:
+  'math upper', 'math lower', 'math', 'highlight math', 'highlight math style',
+  'ams equation upper', 'ams equation lower', 'ams equation', 'ams equation* upper',
+  'ams equation* lower', 'ams equation*', 'ams align upper', 'ams align lower',
+  'ams align', 'ams align* upper', 'ams align* lower', 'ams align*',
+  'ams gather upper', 'ams gather lower', 'ams gather', 'ams gather* upper',
+  'ams gather* lower', 'ams gather*',
+  'ams nodisplayskip upper', 'ams nodisplayskip lower', 'ams nodisplayskip'
+- new library 'hooks' for hook options with the new keys:
+  'before upper app', 'before upper pre', 'after upper app', 'after upper pre',
+  'before lower app', 'before lower pre', 'after lower app', 'after lower pre',
+  'before title app', 'before title pre', 'after title app', 'after title pre',
+  'before app', 'before pre', 'after app', 'after pre',
+  'overlay unbroken app', 'overlay unbroken pre', 'overlay first app', 'overlay first pre',
+  'overlay middle app', 'overlay middle pre', 'overlay last app', 'overlay last pre',
+  'overlay app', 'overlay pre', 'overlay broken app', 'overlay broken pre',
+  'overlay unbroken and first app', 'overlay unbroken and first pre',
+  'overlay middle and last app', 'overlay middle and last pre',
+  'watermark tikz app', 'watermark tikz pre', 'watermark tikz app on', 'watermark tikz pre on',
+  'watermark graphics app', 'watermark graphics pre', 'watermark graphics app on', 'watermark graphics pre on',
+  'watermark text app', 'watermark text pre', 'watermark text app on', 'watermark text pre on',
+  'frame code app', 'frame code pre', 'interior titled code app', 'interior titled code pre',
+  'interior code app', 'interior code pre', 'segmentation code app', 'segmentation code pre',
+  'title code app', 'title code pre'
+- colorization of source code snippets in the documentation
+
+version 2.20 (2013/04/17)
+- bug fix: problem with breaking boxes after headings
+- new feature: support for boxes with side by side content
+- new keys:
+  'sidebyside', 'sidebyside align', 'sidebyside gap',
+  'lefthand width', 'righthand width', 'lefthand ratio', 'righthand ratio'
+- key 'nofloat' documented
+- new keys for the 'listings' library:
+  'listing side text', 'text side listing'
+  'listing outside text', 'text outside listing'
+- new keys for the 'skins' library:
+  'frame hidden', 'interior hidden', 'segmentation hidden', 'title hidden'
+- new environments for the 'documentation' library:
+  'dispExample*', 'dispListing*'
+- the default style for 'highlight math' is changed to have no title
+- minor change of internal width computation
+- minor internal fixes
+- slight overhaul of the documentation
+
+version 2.21 (2013/04/23)
+- bug fix: \tcbox and 'sidebyside' needed 'breakable' library
+- bug fix: library 'tcbhooks' relied on etoolbox package
+- bug fix: breaking boxes between upper part and box frame
+- new macro '\newtcolorbox'
+- new macro '\newtcblisting' for the 'listings' library
+- new key 'code'
+- documentation corrections and extensions
+
+version 2.22 (2013/05/15)
+- bug fix: text color bleeded out of the box in some cases
+- bug fix: breakable boxes were too large in some cases (leading to blank pages)
+- bug fix: breaking boxes produced empty boxes in some cases
+- documentation forgot naming package 'colortbl' for the 'tabularx' option
+- new feature: breakable boxes allow footnotes now (like minipages)
+- new macro '\newtcbox'
+
+version 2.30 (2013/06/04)
+- bug fix: handling of 'before' and 'after' for \tcbox corrected
+- \tcbline now also works for centered environments
+- implementation for \tcbox made more efficient
+- new capture mode for automated content fit by font size adjustment
+  with the new macros '\tcboxfit' and '\newtcboxfit'
+  and the new keys 'fit', 'fit to', 'fit to height', 'fit basedim', 'fit skip',
+  'fit maxstep'
+- new keys 'baseline', 'capture', 'hbox', 'minipage'
+- new stackable borderlines with the 'skins' library:
+  'borderline', 'no borderline'
+- new keys for the 'skins' library:
+  'enhanced standard', 'blank'
+- new key 'index format' for the 'documentation' library
+
+version 2.31 (2013/06/18)
+- several internal changes
+- library loading mechanism revisited
+- internal label change for '\tcbmaketheorem'
+- new library options 'most' and 'all'
+- \tcbline now also works for ragged environments
+- new keys:
+  'flushleft title', 'flushleft upper', 'flushleft lower',
+  'flushright title', 'flushright upper', 'flushright lower'
+- new key 'no listing options' for the 'listings' library
+- new shadow features for the 'skins' library with the options:
+  'shadow', 'fuzzy shadow', 'drop shadow', 'drop fuzzy shadow', 'halo', 'fuzzy halo'
+- shadows for the 'beamer' skin changed to fuzzy
+- new library 'fitting' for the content fit operations.
+  NOTE: '\tcboxfit' and the fit options introduced in version 2.30 are moved
+        to this new library
+- the fit algorithm is completey revisited and extended
+- new macro '\tcbfontsize' ('fitting library') for relative font sizes
+- new keys for the 'fitting' library:
+  'fit fontsize macros', 'fit height plus', 'fit width plus',
+  'fit width from', 'fit height from'
+
+version 2.32 (2013/06/23)
+- bug fix: 'ams nodisplayskip lower' was applied to upper.
+- new option 'check odd page'
+- new environments for the 'skins' library:
+  'tcbclipinterior', 'tcbclipframe', 'tcbcliptitle'
+- new keys for the 'skins' library:
+  'watermark overzoom', 'clip watermark'
+  'clip title', 'clip upper', 'clip lower'
+- NOTE: watermarks are now clipped by default.
+  To get the old behaviour add the option 'clip watermark=false'
+
+version 2.33 (2013/07/04)
+- new options 'phantom', 'step and label', 'nophantom',
+  'lower separated', 'reset', 'toggle left and right'
+- 'highlight math' sets 'notitle,nophantom' automatically
+- hyper anchor setting for theorems and LaTeX examples improved
+- new key 'shield externalize' for externalization
+- additional empty-first-box test for breakable boxes
+- new key 'enlargepage' for fine-tuning breakable boxes
+- parameter added to option 'oversize'
+- option 'toggle enlargement' has a default value 'evenpage' now
+
diff --git a/Master/texmf-dist/doc/latex/tcolorbox/README b/Master/texmf-dist/doc/latex/tcolorbox/README
index d87f56b89d8..f38eca9f9f1 100644
--- a/Master/texmf-dist/doc/latex/tcolorbox/README
+++ b/Master/texmf-dist/doc/latex/tcolorbox/README
@@ -1,4 +1,4 @@
-%% The LaTeX package tcolorbox - version 2.32 (2013/06/23)
+%% The LaTeX package tcolorbox - version 2.33 (2013/07/04)
 %%
 %% -------------------------------------------------------------------------------------------
 %% Copyright (c) 2006-2013 by Prof. Dr. Dr. Thomas F. Sturm <thomas dot sturm at unibw dot de>
diff --git a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox-example.pdf b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox-example.pdf
index 811f18687a5..4c866dc2eff 100644
--- a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox-example.pdf
+++ b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox-example.pdf
diff --git a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox-example.tex b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox-example.tex
index ebad17baa6f..90b5a446a39 100644
--- a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox-example.tex
+++ b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox-example.tex
@@ -1,4 +1,4 @@
-%% The LaTeX package tcolorbox - version 2.32 (2013/06/23)
+%% The LaTeX package tcolorbox - version 2.33 (2013/07/04)
 %% tcolorbox-example.tex: an example for tcolorbox
 %%
 %% -------------------------------------------------------------------------------------------
diff --git a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.abstract.tex b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.abstract.tex
index e2108ceb652..eaedb8f7bff 100644
--- a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.abstract.tex
+++ b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.abstract.tex
@@ -24,7 +24,7 @@
   colback=yellow!10!white,colframe=red!50!black,before=\par\bigskip\noindent,
   watermark color=yellow!75!red!25!white,pad at break=3mm,
   watermark text={\bfseries\Large Contents},
-  shrink break goal=25pt,
+  enlargepage=2\baselineskip,
   drop fuzzy shadow]
 \makeatletter
 \@starttoc{toc}
diff --git a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.breakable.tex b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.breakable.tex
index e42aead27dc..3c893dc6d72 100644
--- a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.breakable.tex
+++ b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.breakable.tex
@@ -152,6 +152,26 @@ parameters. The differences are:
 \end{docTcbKey}
 
 
+\begin{docTcbKey}{enlargepage}{=\meta{length}\colOpt{/\meta{length}\ldots/\meta{length}}}{no default, initially |0pt|}
+  Inserts a |\enlargethispage|\marg{length} to the pages of the break sequence,
+  i.\,e.\ allows to enlarge (or shrink) partial boxes. The first \meta{length} is applied
+  to the first partial box, the second \meta{length} is applied
+  to the second partial box, and so on. The last \meta{length} value is applied
+  to all following partial boxes if any. Note that floating boxes will not be enlarged.
+\begin{dispListing}
+\begin{tcolorbox}[breakable,enlargepage=0mm/\baselineskip/2\baselineskip/0mm,...
+\end{dispListing}
+  The example code enlarged the second partial box by one line, the third
+  partial box by two lines, and all following parts are not enlarged.
+  \begin{marker}
+  If an automated page break occures before the first partial box, the
+  page enlargement is applied to the page before the first partial box \emph{and}
+  again to the page of the first partial box. Insert a manual break to prevent this.\\
+  In general, |enlargepage| should be used at the final stage of a document
+  for fine-tuning only.
+  \end{marker}
+\end{docTcbKey}
+
 
 \begin{docTcbKey}{shrink break goal}{=\meta{length}}{no default, initially |0pt|}
   This is an emergency parameter if the break algorithm produces unpleasant
diff --git a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.coreoptions.tex b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.coreoptions.tex
index 9a7b682057d..c220d7ceb70 100644
--- a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.coreoptions.tex
+++ b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.coreoptions.tex
@@ -81,7 +81,7 @@ This is the lower part (but ignored).
 
 
 \begin{docTcbKey}{savelowerto}{=\meta{file name}}{no default, initially empty}
-  Saves the content of the lower box in a file for an optional later usage.
+  Saves the content of the lower part in a file for an optional later usage.
 \begin{dispExample}
 \begin{tcolorbox}[lowerbox=invisible,savelowerto=\jobname_bspsave.tex,colback=white]
 This is a \textbf{tcolorbox}.
@@ -95,6 +95,51 @@ Now, we load the saved text:\\
 \end{dispExample}
 \end{docTcbKey}
 
+\clearpage
+\begin{docTcbKey}{lower separated}{\colOpt{=\meta{boolean value}}}{default |true|, initially |true|}
+If set to |true|, the lower part is visually separated from the upper part.
+It depends from the chosen skin how the visualization of the separation is done.
+
+\begin{dispExample}
+% \tcbuselibrary{skins}
+\tcbset{colback=red!5!white,colframe=red!75!black,fonttitle=\bfseries,nobeforeafter,
+  width=(\linewidth-4mm)/2,fontlower=\itshape}
+
+\begin{tcolorbox}[title=Lower separated]
+This is the upper part.
+\tcblower
+This is the lower part.
+\end{tcolorbox}\hfill
+\begin{tcolorbox}[title=Lower not separated,lower separated=false]
+This is the upper part.
+\tcblower
+This is the lower part.
+\end{tcolorbox}
+\par\bigskip\par
+\begin{tcolorbox}[sidebyside,title=Lower separated]
+This is the upper part.
+\tcblower
+This is the lower part.
+\end{tcolorbox}\hfill
+\begin{tcolorbox}[sidebyside,title=Lower not separated,lower separated=false]
+This is the upper part.
+\tcblower
+This is the lower part.
+\end{tcolorbox}
+\par\bigskip\par
+\begin{tcolorbox}[beamer,title=Lower separated]
+This is the upper part.
+\tcblower
+This is the lower part.
+\end{tcolorbox}\hfill
+\begin{tcolorbox}[beamer,title=Lower not separated,lower separated=false]
+This is the upper part.
+\tcblower
+This is the lower part.
+\end{tcolorbox}
+\end{dispExample}
+\end{docTcbKey}
+
 
 \clearpage
 \begin{docTcbKey}{savedelimiter}{=\meta{name}}{no default, initially \texttt{tcolorbox}}
@@ -576,9 +621,10 @@ This is the lower part.
 
 
 \clearpage
-\begin{docTcbKey}{oversize}{}{style}
-  Sets the text width of the upper part to the current line width.
-  This is achieved by changed the keys \refKey{/tcb/width}
+\begin{docTcbKey}{oversize}{\colOpt{=\meta{length}}}{style, default |0pt|}
+  Sets the text width of the upper part to the current line width plus an
+  optional \meta{length}.
+  This is achieved by changing the keys \refKey{/tcb/width}
   \refKey{/tcb/enlarge left by}, and
   \refKey{/tcb/enlarge right by} appropriately.
   The resulting box is overlapping into the left and right margin of
@@ -604,6 +650,46 @@ This is the lower part.
 {\tcbusetemp}
 
 
+\clearpage
+\begin{docTcbKey}{toggle left and right}{=\meta{toggle preset}}{default |evenpage|, initially |none|}
+  According to the \meta{toggle preset}, the left and the right settings of
+  the |tcolorbox| are switched or not. Feasible values are:
+  \begin{itemize}
+  \item |none|: no switching.
+  \item |forced|: the values of the left and right rules and spaces are switched.
+  \item |evenpage|: if the page is an even page, the values of the left and
+    right rules and spaces are switched. It is recommended to use this setting in
+    conjunction with \refKey{/tcb/check odd page}.
+  \end{itemize}
+\begin{dispListing}
+% \usepackage{changepage} for 'check odd page'
+% \usepackage{lipsum}
+% \usetikzlibrary{patterns}
+% \tcbuselibrary{skins,breakable,hooks}
+\begin{tcolorbox}[skin=enhancedmiddle,breakable,
+  check odd page,toggle left and right,
+  boxrule=0mm,top=0mm,bottom=0mm,left=1mm,right=1mm,
+  rightrule=1cm,colupper=blue!25!black,
+  watermark graphics=lichtspiel.jpg,watermark opacity=0.5,
+  watermark overzoom=1.00,watermark opacity=0.25,
+  frame style={pattern=crosshatch dots light steel blue},
+  overlay app={%
+    \ifoddpage\coordinate (X) at ([xshift=-5mm]frame.east);
+         \else\coordinate (X) at ([xshift=5mm]frame.west);\fi
+    \fill[shading=ball,ball color=blue!50!white,opacity=0.5] (X) circle (4mm);}]
+\lipsum[1-6]
+\end{tcolorbox}
+\end{dispListing}
+\medskip
+
+This example switches a |1cm| thick rule from the left to the right side
+depending on the page number. Thereby, the rule is always on the outer side
+of the double-sided paper. Additionally, a ball is drawn on the outer side
+with help of an overlay.
+\bigskip
+
+\tcbusetemp
+\end{docTcbKey}
 
 \clearpage
 \subsection{Height Control}
@@ -1041,10 +1127,6 @@ This is the lower part.
 \end{docTcbKey}
 
 
-
-
-
-
 \clearpage
 \begin{docTcbKey}{tabularx}{=\meta{preamble}}{style}
   This style sets \refKey{/tcb/before upper} and \refKey{/tcb/after upper}
@@ -1276,9 +1358,9 @@ are drawn by the codes given with
 \colorlet{colexam}{red!75!black}
 
 \newtcolorbox{myexample}{%
-  code={\refstepcounter{example}%
-        \settowidth{\examlen}{\Large\bfseries Example \arabic{example}}},%
-  title=Example \arabic{example},
+  phantom={\refstepcounter{example}%
+    \settowidth{\global\examlen}{\Large\bfseries Example \arabic{example}}},%
+  title={Example \arabic{example}},
   coltitle=colexam,fonttitle=\Large\bfseries,
   enhanced,breakable,before=\par\medskip,parbox=false,
   frame hidden,interior hidden,segmentation hidden,
@@ -1313,18 +1395,21 @@ are drawn by the codes given with
 
 \begin{dispExample}
 % \tcbuselibrary{skins}
-\newtcolorbox{FancyTitle}[2][]{%
+% \newcounter{example}
+\newtcolorbox{FancyTitle}[3][]{%
   enhanced,colback=blue!10!white,colframe=orange,top=4mm,
   enlarge top by=\baselineskip/2+1mm,
   enlarge top at break by=0mm,pad at break=2mm,
   fontupper=\normalsize,
+  step and label={example}{#3},
   overlay unbroken and first={%
     \node[rectangle,rounded corners,draw=black,fill=blue!20!white,
       inner sep=1mm,anchor=west,font=\small]
-      at ([xshift=4.5mm]frame.north west) {\strut\textbf{#2}};},
+      at ([xshift=4.5mm]frame.north west)
+         {\strut\textbf{Example \arabic{example}: #2}};},
   #1}%
 
-\begin{FancyTitle}{My fancy title}
+\begin{FancyTitle}{My fancy title}{fancy:title}
   \lipsum[1]
 \end{FancyTitle}
 \end{dispExample}
@@ -1646,7 +1731,7 @@ This is a \textbf{tcolorbox}.
 \end{docTcbKey}
 
 \clearpage
-\begin{docTcbKey}{toggle enlargement}{=\meta{toggle preset}}{no default, initially |none|}
+\begin{docTcbKey}{toggle enlargement}{=\meta{toggle preset}}{default |evenpage|, initially |none|}
   According to the \meta{toggle preset}, the left and the right enlargements of
   the bounding box are switched or not. Feasible values are:
   \begin{itemize}
@@ -1928,12 +2013,51 @@ the core package are therefore described in section \ref{sec:skincorekeys} from
 page \pageref{sec:skincorekeys}.
 
 \clearpage
-\subsection{Miscellaneous}
+\subsection{Counters and Page References}
+
+\begin{docTcbKey}{phantom}{=\meta{code}}{no default, initially unset}
+The \meta{code} is put in a box at the upper left corner of the |tcolorbox|.
+If the |tcolorbox| is breakable, the \meta{code} is executed for the first box of
+the break sequence only.\par
+The \meta{code} is intended to be used for counter stepping, labelling, and
+related operations which do not produce visible text.
+\begin{itemize}
+\item The \meta{code} is executed before the title and box content, i.\,e.\ counter
+  values are ensured to be increased before usage.
+\item Labels are ensured to reference the correct page number.
+\item The \meta{code} is executed only once even during fitting operations for
+  title and box content.
+\item In combination with the |hyperref| package, the hyper anchor is set
+  to the upper left corner of the |tcolorbox|, i.\,e.\ links inside the pdf document
+  will jump to the box pleasantly.
+\item Since the \meta{code} is executed inside a \TeX\ group, only global
+  operations can survive this group.
+\end{itemize}
+Examples for the |phantom| usage are given in Section \ref{listing:exercises}
+from page \pageref{listing:exercises}, e.\,g.\
+Example \ref{exe:tabular_example} on page \pageref{exe:tabular_example}.
+\end{docTcbKey}
 
+\begin{docTcbKey}{nophantom}{}{no value, initially set}
+Removes the phantom code if set before.
+\end{docTcbKey}
+
+\begin{docTcbKey}{step and label}{=\marg{counter}\marg{marker}}{no default, initially unset}
+Shortcut for |phantom={\refstepcounter{#1}\label{#2}}|. The \meta{counter} is
+increased and the \meta{marker} is set as label text.\par
+Examples for the |phantom| usage are given in Section \ref{sec:latextutorial}
+from page \pageref{sec:latextutorial}, e.\,g.\
+Example \ref{firstExample} on page \pageref{firstExample}.
+\end{docTcbKey}
+
+\clearpage
 \begin{docTcbKey}{check odd page}{\colOpt{=\meta{boolean value}}}{default |true|, initially |false|}
 If set to |true|, the even/odd page testing from the package |changepage|
-is applied. The \refKey{/tcb/toggle enlargement} check will use the
+is applied. The \refKey{/tcb/toggle enlargement} check
+and the  \refKey{/tcb/toggle left and right} check
+will use the
 |\ifoddpage| macro from this package.
+This options is independent from \refKey{/tcb/phantom}.
 Note that you have to include the package |changepage| by hand\footnote{If |changepage| is
 not included, a compilation error will arise.}:
 
@@ -1959,3 +2083,49 @@ box content.
 \end{dispExample}
 \end{docTcbKey}
 
+
+\clearpage
+\subsection{Externalization}
+If the \emph{externalization} library of the \texttt{tikz} package is used
+and \refKey{/tcb/graphical environment} is set to |tikzpicture|,
+a |tcolorbox| could trigger the externalization process which will arise
+a compilation error.
+
+To avoid this, there are two possible strategies:
+\begin{itemize}
+\item Ensure, that |\tikzexternaldisable| is set before a |tcolorbox| is used.
+  If you typically use the pattern |\tikzexternalenable| \textit{some picture} |\tikzexternaldisable|,
+  there is nothing to care about.
+\item If \emph{externalization} is enabled globally, use \refKey{/tcb/shield externalize} to
+  shield any |tcolorbox|. The preamble code could look like this:
+\begin{dispListing}
+\usetikzlibrary{external}
+\tikzexternalize
+\tcbset{shield externalize}
+\end{dispListing}
+\end{itemize}
+
+\begin{docTcbKey}{shield externalize}{\colOpt{=\meta{boolean value}}}{default |true|, initially |false|}
+If set to |true|, the drawing part of the |tcolorbox| is not being externalized
+which is a good thing at the current state of art. Nevertheless, if the
+|tcolorbox| contains a |tikzpicture|, this picture is still externalized.
+Pictures drawn with help of \refKey{/tcb/tikz upper} or alike are \emph{not}
+externalized.
+\end{docTcbKey}
+
+\begin{marker}
+If a |tcolorbox| is used inside a node of an encircling |tikzpicture| which is externalized,
+do \emph{not} use |\tikzexternaldisable| in front of the |tcolorbox|.
+\refKey{/tcb/shield externalize} is deactivated automatically inside a |tikzpicture|.
+\end{marker}
+
+
+
+\subsection{Miscellaneous}
+\begin{docTcbKey}{reset}{}{no value, initially set}
+Sets (nearly) all |tcolorbox| settings (including loaded libraries) back to their default values.
+\refKey{/tcb/savedelimiter} and \refKey{/tcb/capture} keep their values.
+This option is useful for boxes in boxes where the inner box should not inherit
+the settings of the outer box.
+See \refCom{tcbhighmath} for an example.
+\end{docTcbKey}
diff --git a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.fitting.tex b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.fitting.tex
index 171988fc395..e0d360cfe2c 100644
--- a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.fitting.tex
+++ b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.fitting.tex
@@ -321,6 +321,8 @@ Typically, the optional title of a |tcolorbox| is not part of the fit operation.
 If a \refKey{/tcb/fit width plus} is applied, the title is also adapted to
 the new width. If counters are increased inside the title text, they may be
 increased more than one time.
+To avoid this, you are encouraged to use \refKey{/tcb/phantom} or \refKey{/tcb/step and label}
+to set counters.
 \end{marker}
 
 
diff --git a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.listings.tex b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.listings.tex
index c2a6f9ef860..317ad7e5166 100644
--- a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.listings.tex
+++ b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.listings.tex
@@ -371,7 +371,8 @@ numbering.
       coltitle=red!50!yellow!3!white,
       fonttitle=\small\sffamily\bfseries, fontupper=\small, fontlower=\small},
   example/.style 2 args={texexp,
-      title={Example \refstepcounter{texexp}\label{#2}\thetexexp: #1}},
+      step and label={texexp}{#2},
+      title={Example \thetexexp: #1}},
 }
 \end{dispListing}
 \tcbusetemp
@@ -569,7 +570,7 @@ The following series of examples demonstrate the application of
 
 
 \clearpage
-\subsection{Creation of \LaTeX\ Exercises}
+\subsection{Creation of \LaTeX\ Exercises}\label{listing:exercises}
 In the following, a guideline is given for the creation of \LaTeX\ exercises
 with solutions. These solutions are saved to disk for application at a place of
 choice.
@@ -624,8 +625,8 @@ exercises is created quickly:
 \begin{dispListing}
 \newtcolorbox{texercise}[2][]{texercisestyle,
   listing file={\solfile\thetexercise},
-  title={Exercise \refstepcounter{texercise}\label{exe:#2}\writesol{#2}%
-    \arabic{texercise}%
+  phantom={\refstepcounter{texercise}\label{exe:#2}\writesol{#2}},
+  title={Exercise \arabic{texercise}%
     \hfill\mdseries Solution on page \pageref{sol:#2}},#1}
 \end{dispListing}
 \tcbusetemp
@@ -736,11 +737,12 @@ For all solutions, a macro |\processsol| was written to the file |\jobname.sol|.
 Now, we need a definition for this macro to use the solutions.
 
 \begin{dispListing}
+% \usepackage{hyperref} % for \phantomsection
 \newcommand{\processsol}[2]{%
   \tcbinputlisting{texercisestyle,listing only,
-    title={Solution for Exercise \ref{exe:#2} on page \pageref{exe:#2}\label{sol:#2}},
-    listing file={\solfile#1}%
-  }}
+    phantom={\phantomsection\label{sol:#2}},%
+    title={Solution for Exercise \ref{exe:#2} on page \pageref{exe:#2}},
+    listing file={\solfile#1}}}
 \end{dispListing}
 \tcbusetemp
 
diff --git a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.skins.tex b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.skins.tex
index 2be4be9a13b..11ea2274bcd 100644
--- a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.skins.tex
+++ b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.skins.tex
@@ -307,7 +307,8 @@ This is the lower part.
 \begin{docTcbKey}{segmentation hidden}{}{style, no value}
   This is a shortcut for |segmentation style={draw=none,fill=none}|.
   Depending on the skin, this option switches off the drawing of the
-  segmentation line.
+  segmentation line. See also \refKey{/tcb/lower separated} which
+  has the same effect for most skins.
 \begin{dispExample*}{sbs,lefthand ratio=0.66}
 \tcbset{colback=red!5!white,colframe=red!75!black,
   fonttitle=\bfseries}
diff --git a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.theorems.tex b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.theorems.tex
index ba46a78dfe0..236d3eb4ff3 100644
--- a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.theorems.tex
+++ b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.doc.theorems.tex
@@ -63,7 +63,7 @@ This also loads the package |amsmath|.
 
 \begin{dispExample}
 \tcbset{myformula/.style={colback=yellow!10!white,colframe=red!50!black,
-  highlight math style={colback=LightBlue!50!white,colframe=Navy}}}
+  highlight math style={reset,colback=LightBlue!50!white,colframe=Navy}}}
 
 \begin{align}
   \tcbhighmath{\sum\limits_{n=1}^{\infty} \frac{1}{n}} &= \infty.\\
@@ -412,15 +412,13 @@ referenced with the marker \texttt{cor:nullstellen}.\bigskip
 \end{Theorem}
 \end{dispExample}
 
-
 \begin{dispExample}
 % \tcbuselibrary{skins}
 \tcbmaketheorem{YetAnotherTheorem}{Theorem}{enhanced,frame hidden,
   boxrule=2mm,titlerule=0mm,toptitle=1mm,bottomtitle=1mm,
   fonttitle=\bfseries\large,fontupper=\normalsize,
   coltitle=green!35!black,colbacktitle=green!15!white,
-  colback=green!50!yellow!15!white,
-  borderline={1pt}{0pt}{green!25!blue},
+  colback=green!50!yellow!15!white,borderline={1pt}{0pt}{green!25!blue},
   }{mytheorem}{theo}
 
 \begin{YetAnotherTheorem}{Mittelwertsatz f\"{u}r $n$ Variable}{mittelwertsatz_n}%
@@ -434,7 +432,29 @@ referenced with the marker \texttt{cor:nullstellen}.\bigskip
 \end{dispExample}
 
 
-\clearpage
+\begin{dispExample}
+% \tcbuselibrary{skins}
+\tcbmaketheorem{YetAnotherTheorem}{Theorem}{enhanced,arc=0mm,outer arc=0mm,
+  boxrule=0mm,toprule=1mm,bottomrule=1mm,left=1mm,right=1mm,
+  titlerule=0mm,toptitle=0mm,bottomtitle=1mm,top=0mm,
+  colframe=red!50!black,colback=red!5!white,coltitle=red!50!black,
+  title style={top color=yellow!50!white,bottom color=red!5!white,
+    middle color=yellow!50!white},
+  fonttitle=\bfseries\sffamily\normalsize,fontupper=\normalsize\itshape,
+  }{mytheorem}{theo}
+
+\begin{YetAnotherTheorem}{Mittelwertsatz f\"{u}r $n$ Variable}{mittelwertsatz_n}%
+  Es sei $n\in\mathbb{N}$, $D\subseteq\mathbb{R}^n$ eine offene Menge und
+  $f\in C^{1}(D,\mathbb{R})$. Dann gibt es auf jeder Strecke
+  $[x_0,x]\subset D$ einen Punkt $\xi\in[x_0,x]$, so dass gilt
+  \begin{equation*}
+  f(x)-f(x_0) = \operatorname{grad} f(\xi)^{\top}(x-x_0)
+  \end{equation*}
+\end{YetAnotherTheorem}
+\end{dispExample}
+
+
+
 You need more attention for your theorems? Here, you are \ldots
 
 \begin{dispExample}
diff --git a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.pdf b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.pdf
index 80af6a0abdd..bbe315426a3 100644
--- a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.pdf
+++ b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.pdf
diff --git a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.tex b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.tex
index 0a157f82294..cd0f87a6665 100644
--- a/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.tex
+++ b/Master/texmf-dist/doc/latex/tcolorbox/tcolorbox.tex
@@ -1,5 +1,5 @@
 % \LaTeX-Main\
-%% The LaTeX package tcolorbox - version 2.32 (2013/06/23)
+%% The LaTeX package tcolorbox - version 2.33 (2013/07/04)
 %% tcolorbox.tex: Manual
 %%
 %% -------------------------------------------------------------------------------------------
@@ -78,8 +78,8 @@
 
 \newtcolorbox{marker}[1][]{marker,#1}
 
-\def\version{2.32}%
-\def\datum{2013/06/23}%
+\def\version{2.33}%
+\def\datum{2013/07/04}%
 \makeindex
 
 \hypersetup{
@@ -131,18 +131,18 @@
   morekeywords={% core
     adjusted,adjust,after,arc,auto,autoparskip,align,
     before,bottom,boxsep,boxrule,bottomtitle,bottomrule,broken,basedim,
-    collower,coltext,coltitle,colback,colframe,colupper,center,code,capture,
+    collower,coltext,coltitle,colback,colframe,colupper,center,code,capture,check,
     equal,enlarge,enlargement,extrude,
     fontupper,fontlower,fonttitle,first,floatplacement,float,fit,fontsize,flushleft,flushright,
     group,gap,
     height,
-    lowerbox,left,leftrule,lefttitle,leftupper,leftlower,lower,last,lefthand,
+    lowerbox,left,leftrule,lefttitle,leftupper,leftlower,lower,last,lefthand,label,
     middle,minimum,maxstep,macros,
     notitle,natural,noparskip,nobeforeafter,nofloat,
-    parskip,parbox,
-    outer,oversize,overlay,
+    parskip,parbox,phantom,page,
+    outer,oversize,overlay,odd,
     right,rightrule,righttitle,rightupper,rightlower,righthand,ratio,
-    savelowerto,savedelimiter,space,split,shrink,sidebyside,skip,
+    savelowerto,savedelimiter,space,split,shrink,sidebyside,skip,step,separated,
     title,top,toptitle,toprule,titlerule,tabularx,tikz,toggle,tight,tempfile,text,
     upper,unbroken,
     valign,
@@ -186,14 +186,14 @@
     graphical,geometry,graphics,
     hidden,halo,
     interior,
-    opacity,
+    opacity,overzoom,
     nodes,
     skin,segmentation,stretch,standard,shadow,
     titled,
     watermark,widget,
     zoom,
     % breakable
-    breakable,break,
+    breakable,break,enlargepage,
     goal,
     pad,
     unbreakable,
@@ -205,15 +205,16 @@
 
 \tcbset{documentation listing style=mydocumentation,%
   sbs/.style={sidebyside,before lower app={\tcbset{sidebyside=false}}},%
-  innerbox/.style={standard,frame style={},colback=black!5!white,colframe=black!75!white,coltext=black,coltitle=white,docexample/.style={docexample original},
-    frame code,interior code,interior titled code,segmentation code,no shadow},
+  innerbox/.style={reset,documentation listing style=mydocumentation,docexample/.style={docexample original},
+    },
   docexample/.style={colframe=Navy!50!ExampleFrame,colback=Navy!5!ExampleBack,fontlower=\footnotesize,
     bicolor,colbacklower=ExampleBack!5!white,drop fuzzy shadow,%,
     before upper={\tcbset{innerbox}},before lower={\tcbset{innerbox}}},
   docexample original/.style={colframe=ExampleFrame,colback=ExampleBack,fontlower=\footnotesize,frame style={}},
 }
 
-%\includeonly{tcolorbox.doc.abstract}
+%\includeonly{tcolorbox.doc.coreoptions}
+
 
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/Master/texmf-dist/tex/latex/tcolorbox/tcbbreakable.code.tex b/Master/texmf-dist/tex/latex/tcolorbox/tcbbreakable.code.tex
index 455d18d6686..587368a99a4 100644
--- a/Master/texmf-dist/tex/latex/tcolorbox/tcbbreakable.code.tex
+++ b/Master/texmf-dist/tex/latex/tcolorbox/tcbbreakable.code.tex
@@ -1,4 +1,4 @@
-%% The LaTeX package tcolorbox - version 2.32 (2013/06/23)
+%% The LaTeX package tcolorbox - version 2.33 (2013/07/04)
 %% tcbbreakable.code.tex: Code for breakable colorboxes
 %%
 %% -------------------------------------------------------------------------------------------
@@ -17,7 +17,7 @@
 %%
 %% This work consists of all files listed in README
 %%
-\tcb@set@library@version{2.32}
+\tcb@set@library@version{2.33}
 
 \let\tcb@parboxrestore@true=\tcb@parboxrestore
 \def\tcb@parboxrestore@false{\vskip-\parskip}
@@ -31,7 +31,7 @@
       \def\noexpand\@currenvline{\on@line}}%
   \reserved@a%
   \@endpefalse%
-  \begingroup%
+  \color@begingroup%
   \csname tcb@parboxrestore@\kvtcv@parbox\endcsname%
       \def\@mpfn{mpfootnote}\def\thempfn{\thempfootnote}\c@mpfootnote\z@%
       \let\@footnotetext\@mpfootnotetext%
@@ -50,7 +50,7 @@
     \unvbox\@mpfootins%
   \fi%
   \@minipagefalse%
-  \endgroup}
+  \color@endgroup}
 
 % remaining height
 \def\tcb@comp@h@page{%
@@ -86,6 +86,34 @@
 
 \newbox\tcb@totalupperbox
 \newbox\tcb@totallowerbox
+\newif\iftcb@break@allowed
+
+\def\tcb@enlbreak@next@final{%
+  \ifdim\dimexpr\tcb@enlbreak@dim=0pt\relax
+  \else\enlargethispage{\tcb@enlbreak@dim}\fi%
+}
+
+\def\tcb@enlbreak@next@scan#1/#2@{%
+  \def\temp@a{#2}%
+  \tcbdimto\tcb@enlbreak@dim{#1}%
+  \ifx\temp@a\@empty%
+    \let\tcb@enlbreak@next=\tcb@enlbreak@next@final%
+  \else%
+     \edef\tcb@enlbreak@seq{\temp@a @}%
+  \fi%
+  \tcb@enlbreak@next@final%
+}
+
+\def\tcb@enlbreak@next@step{%
+  \edef\tcb@temp{\noexpand\tcb@enlbreak@next@scan\tcb@enlbreak@seq}%
+  \tcb@temp%
+}
+
+\def\tcb@enlbreak@init{%
+  \edef\tcb@enlbreak@seq{\kvtcb@enlargepage/@}%
+  \let\tcb@enlbreak@next=\tcb@enlbreak@next@step%
+  \tcb@enlbreak@next%
+}
 
 \def\tcb@drawcolorbox@breakable{%
   \ifx\kvtcb@float\@empty%
@@ -94,11 +122,17 @@
     \tcbdimto\tcb@h@before{\ht\z@+\dp\z@+\dimexpr\parskip\relax}%
     \setbox\z@=\vbox{\kvtcb@afterbox}%
     \tcbdimto\tcb@h@after{\ht\z@+\dp\z@}%
-    %
+    \tcb@break@allowedtrue%
+    \tcb@enlbreak@init%
   \else%
     \let\tcb@h@before=\tcb@zpt%
     \let\tcb@h@after=\tcb@zpt%
+    \tcb@break@allowedfalse%
   \fi%
+  \tcb@split@start%
+}
+
+\def\tcb@split@start{%
   \tcb@comp@h@page%
   %
   % height calculation
@@ -108,9 +142,9 @@
   \ifdim\tcb@h@total<\tcb@h@page\relax% no break
     \tcb@drawcolorbox@standalone%
   \else
-    \ifx\kvtcb@float\@empty%
+    \iftcb@break@allowed%
       \ifdim\dimexpr\tcb@h@page-\tcb@h@before-\tcb@h@padding-\tcb@h@padtitle<\kvtcb@breakminlines\baselineskip\relax%
-        \pagebreak%
+        \pagebreak\tcb@enlbreak@init\tcb@break@allowedfalse%
         \tcb@comp@h@page%
         \ifdim\tcb@h@total<\tcb@h@page\relax% no break!
           \tcb@drawcolorbox@standalone%
@@ -129,9 +163,9 @@
 
 
 \def\tcb@setbox@upper#1#2{%
-  \setbox\tcb@upperbox=\vbox{\begingroup\color{\kvtcb@colupper}\unvbox#2\endgroup}%
+  \setbox\tcb@upperbox=\vbox{\color@begingroup\color{\kvtcb@colupper}\unvbox#2\color@endgroup}%
   \ifdim\dimexpr\ht\tcb@upperbox+\dp\tcb@upperbox>#1\relax%
-    \setbox\tcb@upperbox=\vbox to\the\dimexpr#1-\dp\tcb@upperbox\relax {\unvbox\tcb@upperbox}%
+    \setbox\tcb@upperbox=\vbox to\the\dimexpr#1-\dp\tcb@upperbox\relax {\color@begingroup\unvbox\tcb@upperbox\color@endgroup}%
   \fi%
   \tcbdimto\tcb@h@upper{\ht\tcb@upperbox+\dp\tcb@upperbox}%
 }
@@ -144,9 +178,9 @@
 }
 
 \def\tcb@setbox@lower#1#2{%
-  \setbox\tcb@lowerbox=\vbox{\begingroup\color{\kvtcb@collower}\unvbox#2\endgroup}%
+  \setbox\tcb@lowerbox=\vbox{\color@begingroup\color{\kvtcb@collower}\unvbox#2\color@endgroup}%
   \ifdim\dimexpr\ht\tcb@lowerbox+\dp\tcb@lowerbox>#1\relax%
-    \setbox\tcb@lowerbox=\vbox to\the\dimexpr#1-\dp\tcb@lowerbox\relax {\unvbox\tcb@lowerbox}%
+    \setbox\tcb@lowerbox=\vbox to\the\dimexpr#1-\dp\tcb@lowerbox\relax {\color@begingroup\unvbox\tcb@lowerbox\color@endgroup}%
   \fi%
   \tcbdimto\tcb@h@lower{\ht\tcb@lowerbox+\dp\tcb@lowerbox}%
 }
@@ -188,12 +222,6 @@
   \let\tcb@break@bottomsep=\tcb@zpt%
 }
 
-\def\tcb@swap#1#2{%
-  \let\tcb@temp=#1%
-  \let#1=#2%
-  \let#2=\tcb@temp%
-}
-
 
 \def\tcb@split@force@standalone{%
   \tcb@comp@h@total@standalone%
@@ -209,7 +237,7 @@
     \def\tcb@before@first{\nointerlineskip\kvtcb@beforebox}%
     \def\tcb@before@middle{\nointerlineskip\noindent}%
     \let\tcb@before@last=\tcb@before@middle%
-    \long\def\tcb@after@first{\parskip\z@\par\pagebreak\nointerlineskip{\topskip\z@\null}}%
+    \long\def\tcb@after@first{\parskip\z@\par\pagebreak\nointerlineskip{\topskip\z@\null}\tcb@enlbreak@next}%
     \let\tcb@after@middle=\tcb@after@first%
     \let\tcb@after@last=\kvtcb@afterbox%
   \else%
@@ -256,8 +284,22 @@
         \tcb@drawcolorbox@standalone%
       \fi%
     \else%
-      \tcb@sdraw@U%
-      \let\tcb@split@next=\tcb@split@USL%
+      \ifdim\dimexpr\tcb@h@upper=0pt\relax%
+        \iftcb@break@allowed
+          \tcb@swap{\tcb@totalupperbox}{\tcb@upperbox}%
+          \tcb@swap{\tcb@totallowerbox}{\tcb@lowerbox}%
+          \tcbdimto\tcb@h@upper{\ht\tcb@upperbox+\dp\tcb@upperbox}%
+          \tcbdimto\tcb@h@lower{\ht\tcb@lowerbox+\dp\tcb@lowerbox}%
+          \pagebreak\tcb@enlbreak@init\tcb@break@allowedfalse%
+          \let\tcb@split@next=\tcb@split@start%
+        \else%
+          \tcb@sdraw@U%
+          \let\tcb@split@next=\tcb@split@USL%
+        \fi%
+      \else%
+        \tcb@sdraw@U%
+        \let\tcb@split@next=\tcb@split@USL%
+      \fi%
     \fi%
   \else%
     \tcb@swap{\tcb@totalupperbox}{\tcb@upperbox}%
@@ -428,7 +470,9 @@
     \else%
       \csname tcb@drawwithouttitle@\kvtcb@engine@interior\endcsname%
     \fi%
-    \csname tcb@drawlower@\kvtcb@engine@segmentation\endcsname%
+    \iftcb@lowerseparated%
+      \csname tcb@drawlower@\kvtcb@engine@segmentation\endcsname%
+    \fi%
     \iftcb@hasTitle%
       \csname tcb@drawtitle@\kvtcb@engine@title\endcsname%
     \fi%
@@ -488,7 +532,9 @@
     \else%
       \csname tcb@drawwithouttitle@\kvtcb@engine@interior\endcsname%
     \fi%
-    \csname tcb@drawlower@\kvtcb@engine@segmentation\endcsname%
+    \iftcb@lowerseparated%
+      \csname tcb@drawlower@\kvtcb@engine@segmentation\endcsname%
+    \fi%
     \iftcb@hasTitle%
       \csname tcb@drawtitle@\kvtcb@engine@title\endcsname%
     \fi%
@@ -557,13 +603,19 @@
   pad after break/.code={\let\kvtcb@top@rule@break=\tcb@zpt%
     \tcbdimto\kvtcb@topsep{#1-\kvtcb@top-\kvtcb@boxsep}},%
   pad at break/.style={pad before break={#1},pad after break={#1}},%
+  enlargepage/.store in=\kvtcb@enlargepage,
 }
 
+
 \tcbset{%
-  notitle after break,
-  shrink break goal=0pt,
-  lines before break=2,
-  topsep at break=0pt,
-  bottomsep at break=0pt,
+  reset@breakable/.style={%
+    unbreakable,notitle after break,
+    shrink break goal=0pt,
+    lines before break=2,
+    topsep at break=0pt,
+    bottomsep at break=0pt,
+    enlargepage=0pt,
+  },
+  initialize@reset=reset@breakable,
 }
 
diff --git a/Master/texmf-dist/tex/latex/tcolorbox/tcbdocumentation.code.tex b/Master/texmf-dist/tex/latex/tcolorbox/tcbdocumentation.code.tex
index 2bd4ad3b087..1aaa04ff63d 100644
--- a/Master/texmf-dist/tex/latex/tcolorbox/tcbdocumentation.code.tex
+++ b/Master/texmf-dist/tex/latex/tcolorbox/tcbdocumentation.code.tex
@@ -1,4 +1,4 @@
-%% The LaTeX package tcolorbox - version 2.32 (2013/06/23)
+%% The LaTeX package tcolorbox - version 2.33 (2013/07/04)
 %% tcbdocumentation.code.tex: Code for LaTeX documentations
 %%
 %% -------------------------------------------------------------------------------------------
@@ -17,7 +17,7 @@
 %%
 %% This work consists of all files listed in README
 %%
-\tcb@set@library@version{2.32}
+\tcb@set@library@version{2.33}
 
 \tcbuselibrary{listings}
 
@@ -102,19 +102,6 @@
     pageshort={P.}}},
 }
 
-% presets
-\tcbset{
-  index format=pgf,
-  english language,
-  documentation listing style=tcbdocumentation,
-  index default settings,
-  color option=Option,
-  color definition=Definition,
-  color hyperlink=Hyperlink,
-  before example=\par\smallskip,
-  after example=,
-}
-
 \AtBeginDocument{%
   \csname tcb@doc@index@\idx@format\endcsname%
   \hypersetup{
@@ -239,3 +226,18 @@
   \PageIndex%
 }
 
+\tcbset{%
+  reset@documentation/.style={%
+    index format=pgf,
+    english language,
+    documentation listing style=tcbdocumentation,
+    index default settings,
+    color option=Option,
+    color definition=Definition,
+    color hyperlink=Hyperlink,
+    before example=\par\smallskip,
+    after example=,},
+  initialize@reset=reset@documentation,
+}
+
+
diff --git a/Master/texmf-dist/tex/latex/tcolorbox/tcbfitting.code.tex b/Master/texmf-dist/tex/latex/tcolorbox/tcbfitting.code.tex
index 174b062f093..0ce78004d7b 100644
--- a/Master/texmf-dist/tex/latex/tcolorbox/tcbfitting.code.tex
+++ b/Master/texmf-dist/tex/latex/tcolorbox/tcbfitting.code.tex
@@ -1,4 +1,4 @@
-%% The LaTeX package tcolorbox - version 2.32 (2013/06/23)
+%% The LaTeX package tcolorbox - version 2.33 (2013/07/04)
 %% tcbfitting.code.tex: Code for fit boxes
 %%
 %% -------------------------------------------------------------------------------------------
@@ -18,7 +18,7 @@
 %% This work consists of all files listed in README
 %%
 %\makeatletter
-\tcb@set@library@version{2.32}
+\tcb@set@library@version{2.33}
 
 \newdimen\tcbfitdim
 \newdimen\tcb@lowerfitdim
@@ -53,19 +53,11 @@
   fit maxwidthdiffgap/.store in=\kvtcb@fit@maxwidthdiffgap,%
 }
 
-\tcbset{%
-  fit basedim=10pt,fit skip=1.2,
-  fit height plus=0pt,fit width plus=0pt,
-  fit maxstep=20,fit maxfontdiff=0.1pt,fit maxfontdiffgap=1pt,
-  fit maxwidthdiff=1pt,fit maxwidthdiffgap=10pt,
-}
-
 \def\tcb@@capture@fitbox{%
   \let\endtcolorbox=\relax%
   \Collect@Body\tcbox@inner@fitbox%
 }
 
-
 \def\tcbfontsize#1{\fontsize{#1\tcbfitdim}{#1\dimexpr\kvtcb@fit@skip\tcbfitdim}\selectfont}
 
 \def\tcb@setfontsize#1#2{\@setfontsize#1{#2\tcbfitdim}{#2\dimexpr\kvtcb@fit@skip\tcbfitdim}}
@@ -266,4 +258,13 @@
 \long\def\newtcboxfit#1{%
   \@ifnextchar[{\new@tcboxfit{#1}}{\tcb@newtcboxfit{#1}}}
 
+\tcbset{%
+  reset@fitting/.style={%
+    fit basedim=10pt,fit skip=1.2,
+    fit height plus=0pt,fit width plus=0pt,
+    fit maxstep=20,fit maxfontdiff=0.1pt,fit maxfontdiffgap=1pt,
+    fit maxwidthdiff=1pt,fit maxwidthdiffgap=10pt,
+  },
+  initialize@reset=reset@fitting,
+}
 
diff --git a/Master/texmf-dist/tex/latex/tcolorbox/tcbhooks.code.tex b/Master/texmf-dist/tex/latex/tcolorbox/tcbhooks.code.tex
index 1cc71312634..c1530e74ba5 100644
--- a/Master/texmf-dist/tex/latex/tcolorbox/tcbhooks.code.tex
+++ b/Master/texmf-dist/tex/latex/tcolorbox/tcbhooks.code.tex
@@ -1,4 +1,4 @@
-%% The LaTeX package tcolorbox - version 2.32 (2013/06/23)
+%% The LaTeX package tcolorbox - version 2.33 (2013/07/04)
 %% tcbhooks.code.tex: Code for adding hooks
 %%
 %% -------------------------------------------------------------------------------------------
@@ -18,7 +18,7 @@
 %% This work consists of all files listed in README
 %%
 %\makeatletter
-\tcb@set@library@version{2.32}
+\tcb@set@library@version{2.33}
 
 \tcbset{%
   before upper app/.code={\tcb@appto\kvtcb@before@upper{#1}},%
diff --git a/Master/texmf-dist/tex/latex/tcolorbox/tcblistings.code.tex b/Master/texmf-dist/tex/latex/tcolorbox/tcblistings.code.tex
index e3b5c89614e..c642a4583c7 100644
--- a/Master/texmf-dist/tex/latex/tcolorbox/tcblistings.code.tex
+++ b/Master/texmf-dist/tex/latex/tcolorbox/tcblistings.code.tex
@@ -1,4 +1,4 @@
-%% The LaTeX package tcolorbox - version 2.32 (2013/06/23)
+%% The LaTeX package tcolorbox - version 2.33 (2013/07/04)
 %% tcblistings.code.tex: Code for colorboxes with listings
 %%
 %% -------------------------------------------------------------------------------------------
@@ -18,7 +18,7 @@
 %% This work consists of all files listed in README
 %%
 %\makeatletter
-\tcb@set@library@version{2.32}
+\tcb@set@library@version{2.33}
 
 \RequirePackage{listings}[2007/02/22]
 
@@ -135,14 +135,6 @@
   listing outside text/.code={\let\tcb@inputlisting\tcb@inputlisting@out@listingAndText},%
 }
 
-\tcbset{
-  listing file=\jobname.listing,
-  listing style=tcblatex,
-  comment=,
-  listing and text,
-  listing inputencoding=\inputencodingname,
-}
-
 \newenvironment{tcblisting}[1]{%
   \def\tcblisting@box{\tcbinputlisting{#1}}%
   \begingroup\tcbverbatimwrite{\kvtcb@listingfile}%
@@ -175,3 +167,15 @@
 
 \long\def\newtcblisting#1{%
   \@ifnextchar[{\new@tcblisting{#1}}{\tcb@newtcblisting{#1}}}
+
+\tcbset{%
+  reset@listings/.style={%
+    listing file=\jobname.listing,
+    listing style=tcblatex,
+    comment=,
+    listing and text,
+    listing inputencoding=\inputencodingname,
+  },
+  initialize@reset=reset@listings,
+}
+
diff --git a/Master/texmf-dist/tex/latex/tcolorbox/tcblistingsutf8.code.tex b/Master/texmf-dist/tex/latex/tcolorbox/tcblistingsutf8.code.tex
index 9288f75428e..180a53d3801 100644
--- a/Master/texmf-dist/tex/latex/tcolorbox/tcblistingsutf8.code.tex
+++ b/Master/texmf-dist/tex/latex/tcolorbox/tcblistingsutf8.code.tex
@@ -1,4 +1,4 @@
-%% The LaTeX package tcolorbox - version 2.32 (2013/06/23)
+%% The LaTeX package tcolorbox - version 2.33 (2013/07/04)
 %% tcblistingsutf8.code.tex: Code for colorboxes with listings in UTF-8
 %%
 %% -------------------------------------------------------------------------------------------
@@ -17,13 +17,17 @@
 %%
 %% This work consists of all files listed in README
 %%
-\tcb@set@library@version{2.32}
+\tcb@set@library@version{2.33}
 
 \RequirePackage{listingsutf8}[2011/11/10]
 \tcbuselibrary{listings}
 
 \tcbset{
   listing utf8/.style={listing inputencoding=utf8/#1},
-  listing utf8=latin1,
+}
+
+\tcbset{%
+  reset@listingsutf8/.style={listing utf8=latin1},
+  initialize@reset=reset@listingsutf8,
 }
 
diff --git a/Master/texmf-dist/tex/latex/tcolorbox/tcbskins.code.tex b/Master/texmf-dist/tex/latex/tcolorbox/tcbskins.code.tex
index 0d585183416..07710cd7b4b 100644
--- a/Master/texmf-dist/tex/latex/tcolorbox/tcbskins.code.tex
+++ b/Master/texmf-dist/tex/latex/tcolorbox/tcbskins.code.tex
@@ -1,4 +1,4 @@
-%% The LaTeX package tcolorbox - version 2.32 (2013/06/23)
+%% The LaTeX package tcolorbox - version 2.33 (2013/07/04)
 %% tcbskins.code.tex: Code for colorboxes with different skins
 %%
 %% -------------------------------------------------------------------------------------------
@@ -17,7 +17,7 @@
 %%
 %% This work consists of all files listed in README
 %%
-\tcb@set@library@version{2.32}
+\tcb@set@library@version{2.33}
 
 \RequirePackage{tikz}[2010/10/13]
 
@@ -118,7 +118,7 @@
 
 \long\def\tcb@pseudo@segmentation#1{%
 {\parskip\z@\par\nointerlineskip\hfilneg\kern-\@totalleftmargin}\begingroup%
-\begin{tikzpicture}%
+\tcb@shield@externalize\begin{tikzpicture}%
   \path[use as bounding box] (0,{\the\dimexpr-\kvtcb@middle-\kvtcb@boxsep\relax})
      rectangle (\linewidth,{\the\dimexpr\kvtcb@middle+\kvtcb@boxsep\relax});
   \node[line width=0mm,inner sep=0mm,draw=none,fill=none,rectangle,
@@ -254,21 +254,6 @@
 }
 
 \tcbset{%
-  frame style=,%
-  interior style=,%
-  segmentation style=,%
-  frame code,%
-  interior titled code,%
-  interior code,%
-  segmentation code,%
-  title style=,%
-  title code,%
-  colbacklower=black!15!white,%
-  clear@spec%
-}
-
-
-\tcbset{%
   base@unbroken/.style={%
     clear@spec,graphical environment=tikzpicture,geometry nodes,%
     set@extensions@preframe={\tcb@draw@shadow@unbroken},%
@@ -331,20 +316,28 @@
   frame engine=path,interior titled engine=freelance,
   interior engine=freelance,segmentation engine=freelance,title engine=path,
   interior titled code={%
-    \ifcase\tcb@segment@state%
-    {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithtitle@path}%
-    \or%
-    \tcb@drawspec@UT{fill=\kvtcb@colback}%
+    \iftcb@lowerseparated%
+      \ifcase\tcb@segment@state%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithtitle@path}%
+      \or%
+      \tcb@drawspec@UT{fill=\kvtcb@colback}%
+      \else%
+      {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithtitle@path}%
+      \fi%
     \else%
-    {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithtitle@path}%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithtitle@path}%
     \fi},
   interior code={%
-    \ifcase\tcb@segment@state%
-    {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithouttitle@path}%
-    \or%
-    \tcb@drawspec@UR{fill=\kvtcb@colback}%
+    \iftcb@lowerseparated%
+      \ifcase\tcb@segment@state%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithouttitle@path}%
+      \or%
+      \tcb@drawspec@UR{fill=\kvtcb@colback}%
+      \else%
+      {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithouttitle@path}%
+      \fi%
     \else%
-    {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithouttitle@path}%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithouttitle@path}%
     \fi},
   segmentation code={\iftcb@sidebyside%
     \iftcb@hasTitle\tcb@drawspec@sbs@B{fill=\kvtcb@colbacklower}\else%
@@ -356,20 +349,28 @@
   frame engine=pathfirst,interior titled engine=freelance,
   interior engine=freelance,segmentation engine=freelance,title engine=pathfirst,
   interior titled code={%
-    \ifcase\tcb@segment@state%
-    {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithtitle@pathfirst}%
-    \or%
-    \tcb@drawspec@UT{fill=\kvtcb@colback}%
+    \iftcb@lowerseparated%
+      \ifcase\tcb@segment@state%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithtitle@pathfirst}%
+      \or%
+      \tcb@drawspec@UT{fill=\kvtcb@colback}%
+      \else%
+      {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithtitle@pathfirst}%
+      \fi%
     \else%
-    {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithtitle@pathfirst}%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithtitle@pathfirst}%
     \fi},
   interior code={%
-    \ifcase\tcb@segment@state%
-    {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithouttitle@pathfirst}%
-    \or%
-    \tcb@drawspec@UR{fill=\kvtcb@colback}%
+    \iftcb@lowerseparated%
+      \ifcase\tcb@segment@state%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithouttitle@pathfirst}%
+      \or%
+      \tcb@drawspec@UR{fill=\kvtcb@colback}%
+      \else%
+      {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithouttitle@pathfirst}%
+      \fi%
     \else%
-    {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithouttitle@pathfirst}%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithouttitle@pathfirst}%
     \fi},
   segmentation code={\iftcb@sidebyside%
     \iftcb@hasTitle\tcb@drawspec@sbs@D{fill=\kvtcb@colbacklower}\else%
@@ -381,20 +382,28 @@
   frame engine=pathmiddle,interior titled engine=freelance,
   interior engine=freelance,segmentation engine=freelance,title engine=pathmiddle,
   interior titled code={%
-    \ifcase\tcb@segment@state%
-    {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithtitle@pathmiddle}%
-    \or%
-    \tcb@drawspec@UT{fill=\kvtcb@colback}%
+    \iftcb@lowerseparated%
+      \ifcase\tcb@segment@state%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithtitle@pathmiddle}%
+      \or%
+      \tcb@drawspec@UT{fill=\kvtcb@colback}%
+      \else%
+      {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithtitle@pathmiddle}%
+      \fi%
     \else%
-    {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithtitle@pathmiddle}%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithtitle@pathmiddle}%
     \fi},
   interior code={%
-    \ifcase\tcb@segment@state%
-    {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithouttitle@pathmiddle}%
-    \or%
-    \tcb@drawspec@US{fill=\kvtcb@colback}%
+    \iftcb@lowerseparated%
+      \ifcase\tcb@segment@state%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithouttitle@pathmiddle}%
+      \or%
+      \tcb@drawspec@US{fill=\kvtcb@colback}%
+      \else%
+      {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithouttitle@pathmiddle}%
+      \fi%
     \else%
-    {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithouttitle@pathmiddle}%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithouttitle@pathmiddle}%
     \fi},
   segmentation code={\iftcb@sidebyside%
     \iftcb@hasTitle\tcb@drawspec@sbs@D{fill=\kvtcb@colbacklower}\else%
@@ -406,20 +415,28 @@
   frame engine=pathlast,interior titled engine=freelance,
   interior engine=freelance,segmentation engine=freelance,title engine=pathlast,
   interior titled code={%
-    \ifcase\tcb@segment@state
-    {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithtitle@pathlast}%
-    \or%
-    \tcb@drawspec@UT{fill=\kvtcb@colback}%
+    \iftcb@lowerseparated%
+      \ifcase\tcb@segment@state
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithtitle@pathlast}%
+      \or%
+      \tcb@drawspec@UT{fill=\kvtcb@colback}%
+      \else%
+      {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithtitle@pathlast}%
+      \fi%
     \else%
-    {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithtitle@pathlast}%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithtitle@pathlast}%
     \fi},
   interior code={%
-    \ifcase\tcb@segment@state%
-    {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithouttitle@pathlast}%
-    \or%
-    \tcb@drawspec@US{fill=\kvtcb@colback}%
-    \else
-    {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithouttitle@pathlast}%
+    \iftcb@lowerseparated%
+      \ifcase\tcb@segment@state%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithouttitle@pathlast}%
+      \or%
+      \tcb@drawspec@US{fill=\kvtcb@colback}%
+      \else
+      {\tcb@spec{fill=\kvtcb@colbacklower}\tcb@drawwithouttitle@pathlast}%
+      \fi%
+    \else%
+      {\tcb@spec{fill=\kvtcb@colback}\tcb@drawwithouttitle@pathlast}%
     \fi},
   segmentation code={\iftcb@sidebyside%
     \iftcb@hasTitle\tcb@drawspec@sbs@B{fill=\kvtcb@colbacklower}\else%
@@ -435,17 +452,25 @@
   frame engine=path,interior titled engine=freelance,
   interior engine=freelance,segmentation engine=freelance,title engine=path,
   interior titled code={%
-    \ifnum\tcb@segment@state=1%
-    \tcb@drawspec@UT{beamer@color}%
+    \iftcb@lowerseparated%
+      \ifnum\tcb@segment@state=1%
+      \tcb@drawspec@UT{beamer@color}%
+      \else%
+      {\tcb@spec{beamer@color}\tcb@drawwithtitle@path}%
+      \fi%
     \else%
-    {\tcb@spec{beamer@color}\tcb@drawwithtitle@path}%
+      {\tcb@spec{beamer@color}\tcb@drawwithtitle@path}%
     \fi%
     \tcb@drawspec@T},
   interior code={%
-    \ifnum\tcb@segment@state=1
-    \tcb@drawspec@UR{beamer@color}%
+    \iftcb@lowerseparated%
+      \ifnum\tcb@segment@state=1
+      \tcb@drawspec@UR{beamer@color}%
+      \else%
+      {\tcb@spec{beamer@color}\tcb@drawwithouttitle@path}%
+      \fi%
     \else%
-    {\tcb@spec{beamer@color}\tcb@drawwithouttitle@path}%
+      {\tcb@spec{beamer@color}\tcb@drawwithouttitle@path}%
     \fi},
   segmentation code={\iftcb@sidebyside\tcb@drawlower@path\else\tcb@drawspec@LR{beamer@color}\fi},%
   skin first=beamerfirst,skin middle=beamermiddle,skin last=beamerlast},
@@ -459,16 +484,24 @@
   frame engine=pathfirst,interior titled engine=freelance,
   interior engine=freelance,segmentation engine=freelance,title engine=pathfirst,
   interior titled code={%
-    \ifnum\tcb@segment@state=1%
-    \tcb@drawspec@UT{beamer@color}%
+    \iftcb@lowerseparated%
+      \ifnum\tcb@segment@state=1%
+      \tcb@drawspec@UT{beamer@color}%
+      \else%
+      {\tcb@spec{beamer@color}\tcb@drawwithtitle@pathfirst}%
+      \fi%
     \else%
-    {\tcb@spec{beamer@color}\tcb@drawwithtitle@pathfirst}%
+      {\tcb@spec{beamer@color}\tcb@drawwithtitle@pathfirst}%
     \fi%
     \tcb@drawspec@T},
   interior code={%
-    \ifnum\tcb@segment@state=1
-    \tcb@drawspec@UR{beamer@color}\else%
-    {\tcb@spec{beamer@color}\tcb@drawwithouttitle@pathfirst}%
+    \iftcb@lowerseparated%
+      \ifnum\tcb@segment@state=1
+      \tcb@drawspec@UR{beamer@color}\else%
+      {\tcb@spec{beamer@color}\tcb@drawwithouttitle@pathfirst}%
+      \fi%
+    \else%
+      {\tcb@spec{beamer@color}\tcb@drawwithouttitle@pathfirst}%
     \fi},
   segmentation code={\iftcb@sidebyside\tcb@drawlower@path\else\tcb@drawspec@LS{beamer@color}\fi},%
   skin first=beamerfirst,skin middle=beamermiddle,skin last=beamermiddle}}
@@ -478,17 +511,25 @@
   frame engine=pathmiddle,interior titled engine=freelance,
   interior engine=freelance,segmentation engine=freelance,title engine=pathmiddle,
   interior titled code={%
-    \ifnum\tcb@segment@state=1%
-    \tcb@drawspec@UT{beamer@color}%
+    \iftcb@lowerseparated%
+      \ifnum\tcb@segment@state=1%
+      \tcb@drawspec@UT{beamer@color}%
+      \else%
+      {\tcb@spec{beamer@color}\tcb@drawwithtitle@pathmiddle}%
+      \fi%
     \else%
-    {\tcb@spec{beamer@color}\tcb@drawwithtitle@pathmiddle}%
+      {\tcb@spec{beamer@color}\tcb@drawwithtitle@pathmiddle}%
     \fi%
     \tcb@drawspec@T},
   interior code={%
-    \ifnum\tcb@segment@state=1
-    \tcb@drawspec@US{beamer@color}%
+    \iftcb@lowerseparated%
+      \ifnum\tcb@segment@state=1
+      \tcb@drawspec@US{beamer@color}%
+      \else%
+      {\tcb@spec{beamer@color}\tcb@drawwithouttitle@pathmiddle}%
+      \fi%
     \else%
-    {\tcb@spec{beamer@color}\tcb@drawwithouttitle@pathmiddle}%
+      {\tcb@spec{beamer@color}\tcb@drawwithouttitle@pathmiddle}%
     \fi},
   segmentation code={\iftcb@sidebyside\tcb@drawlower@path\else\tcb@drawspec@LS{beamer@color}\fi},%
   skin first=beamermiddle,skin middle=beamermiddle,skin last=beamermiddle}}
@@ -498,17 +539,25 @@
   frame engine=pathlast,interior titled engine=freelance,
   interior engine=freelance,segmentation engine=freelance,title engine=pathlast,
   interior titled code={%
-    \ifnum\tcb@segment@state=1%
-    \tcb@drawspec@UT{beamer@color}%
+    \iftcb@lowerseparated%
+      \ifnum\tcb@segment@state=1%
+      \tcb@drawspec@UT{beamer@color}%
+      \else%
+      {\tcb@spec{beamer@color}\tcb@drawwithtitle@pathlast}%
+      \fi%
     \else%
-    {\tcb@spec{beamer@color}\tcb@drawwithtitle@pathlast}%
+      {\tcb@spec{beamer@color}\tcb@drawwithtitle@pathlast}%
     \fi%
     \tcb@drawspec@T},
   interior code={%
-    \ifnum\tcb@segment@state=1
-    \tcb@drawspec@US{beamer@color}%
+    \iftcb@lowerseparated%
+      \ifnum\tcb@segment@state=1
+      \tcb@drawspec@US{beamer@color}%
+      \else%
+      {\tcb@spec{beamer@color}\tcb@drawwithouttitle@pathlast}%
+      \fi%
     \else%
-    {\tcb@spec{beamer@color}\tcb@drawwithouttitle@pathlast}%
+      {\tcb@spec{beamer@color}\tcb@drawwithouttitle@pathlast}%
     \fi},
   segmentation code={\iftcb@sidebyside\tcb@drawlower@path\else\tcb@drawspec@LR{beamer@color}\fi},%
   skin first=beamermiddle,skin middle=beamermiddle,skin last=beamerlast}}
@@ -749,11 +798,6 @@
   clip watermark/true/.code={\let\tcb@drawspec@watermark=\tcb@drawspec@watermark@@clip},
   clip watermark/false/.code={\let\tcb@drawspec@watermark=\tcb@drawspec@watermark@@noclip},
   clip watermark/.default=true,
-  %
-  watermark opacity=1.00,
-  watermark color=\kvtcb@colback!85!\kvtcb@colframe,
-  watermark zoom=0.75,
-  clip watermark,
 }
 
 \def\tcb@tdraw@title@clip{%
@@ -878,8 +922,6 @@
   border@line app/.code={\tcb@appto\kvtcb@borderline{#1}},%
   borderline/.style args={#1#2#3}{border@line app={\tcb@border{#1}{#2}{#3}}},%
   no borderline/.code={\def\kvtcb@borderline{}},%
-  %
-  no borderline,%
 }
 
 \def\tcb@shadow@prepare#1#2{%
@@ -972,9 +1014,22 @@
   drop fuzzy shadow/.default={black!50!white},%
   fuzzy halo/.style args={#1 with #2}{fuzzy shadow={0mm}{0mm}{-#1}{0.12mm}{#2}},
   fuzzy halo/.default={1.0mm with yellow},%
-  %
-  no shadow,%
-  %
-  %
 }
 
+
+
+\tcbset{%
+  reset@skins/.style={%
+    frame style=,interior style=,segmentation style=,%
+    frame code,interior titled code,interior code,segmentation code,%
+    title style=,title code,colbacklower=black!15!white,%
+    clear@spec,%
+    watermark opacity=1.00,watermark color=\kvtcb@colback!85!\kvtcb@colframe,%
+    watermark zoom=0.75,clip watermark,%
+    clip title=false,clip upper=false,clip lower=false,
+    no borderline,no shadow,%
+  },
+  initialize@reset=reset@skins,
+}
+
+
diff --git a/Master/texmf-dist/tex/latex/tcolorbox/tcbtheorems.code.tex b/Master/texmf-dist/tex/latex/tcolorbox/tcbtheorems.code.tex
index b587416f7a6..9b18811f834 100644
--- a/Master/texmf-dist/tex/latex/tcolorbox/tcbtheorems.code.tex
+++ b/Master/texmf-dist/tex/latex/tcolorbox/tcbtheorems.code.tex
@@ -1,4 +1,4 @@
-%% The LaTeX package tcolorbox - version 2.32 (2013/06/23)
+%% The LaTeX package tcolorbox - version 2.33 (2013/07/04)
 %% tcbtheorems.code.tex: Code for theorems in colorboxes
 %%
 %% -------------------------------------------------------------------------------------------
@@ -18,15 +18,16 @@
 %% This work consists of all files listed in README
 %%
 %\makeatletter
-\tcb@set@library@version{2.32}
+\tcb@set@library@version{2.33}
 
 \RequirePackage{amsmath}
 
 \def\tcb@hack@amsmath{\tcb@hack@currenvir\vskip-\abovedisplayskip}
 
 \tcbset{
-  theorem/.code args={#1#2#3#4}{%
-    \pgfkeysalso{title={\refstepcounter{#2}\setbox\z@=\hbox{#1~\csname the#2\endcsname:\ }\hangindent\wd\z@\hangafter=1 \mbox{#1~\csname the#2\endcsname:\label{#4}\ }#3}}},%
+  theorem/.style args={#1#2#3#4}{%
+    step and label={#2}{#4},%
+    title={\setbox\z@=\hbox{#1~\csname the#2\endcsname:\ }\hangindent\wd\z@\hangafter=1 \mbox{#1~\csname the#2\endcsname:\ }#3}},%
   math upper/.style={before upper=$\displaystyle,after upper=$},%
   math lower/.style={before lower=$\displaystyle,after lower=$},%
   math/.style={math upper,math lower},%
@@ -51,8 +52,7 @@
   ams nodisplayskip upper/.style={before upper=\vskip-\abovedisplayskip},%
   ams nodisplayskip lower/.style={before lower=\vskip-\abovedisplayskip},%
   ams nodisplayskip/.style={ams nodisplayskip upper,ams nodisplayskip lower},%
-  highlight math style/.style={highlight math/.style={#1}},%
-  highlight math style={colframe=red,colback=yellow!25!white,notitle},%
+  highlight math style/.style={highlight math/.style={notitle,nophantom,#1}},%
 }
 
 \newcommand{\tcbmaketheorem}[5]{%
@@ -60,5 +60,12 @@
 }
 
 \newtcbox{\tcboxmath}[1][]{nobeforeafter,math upper,tcbox raise base,#1}
-\newtcbox{\tcbhighmath}[1][]{nobeforeafter,math upper,tcbox raise base,highlight math,#1}
+\newtcbox{\tcbhighmath}[1][]{highlight math,nobeforeafter,math upper,tcbox raise base,#1}
+
+\tcbset{%
+  reset@theorems/.style={%
+    highlight math style={colframe=red,colback=yellow!25!white},%
+  },
+  initialize@reset=reset@theorems,
+}
 
diff --git a/Master/texmf-dist/tex/latex/tcolorbox/tcolorbox.sty b/Master/texmf-dist/tex/latex/tcolorbox/tcolorbox.sty
index a4f76aab89b..c9eb2f4b935 100644
--- a/Master/texmf-dist/tex/latex/tcolorbox/tcolorbox.sty
+++ b/Master/texmf-dist/tex/latex/tcolorbox/tcolorbox.sty
@@ -1,4 +1,4 @@
-%% The LaTeX package tcolorbox - version 2.32 (2013/06/23)
+%% The LaTeX package tcolorbox - version 2.33 (2013/07/04)
 %% tcolorbox.sty: Text color boxes
 %%
 %% -------------------------------------------------------------------------------------------
@@ -18,8 +18,8 @@
 %% This work consists of all files listed in README
 %%
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{tcolorbox}[2013/06/23 version 2.32 text color boxes]
-\def\tcb@version{2.32}
+\ProvidesPackage{tcolorbox}[2013/07/04 version 2.33 text color boxes]
+\def\tcb@version{2.33}
 
 \RequirePackage{pgf}[2008/01/15]
 \RequirePackage{verbatim}[2003/08/22]
@@ -32,10 +32,13 @@
 \newif\iftcb@hasLower
 \newif\iftcb@lowerspace
 \newif\iftcb@sidebyside
+\newif\iftcb@hasPhantom
+\newif\iftcb@lowerseparated
 
 \newbox\tcb@titlebox
 \newbox\tcb@upperbox
 \newbox\tcb@lowerbox
+\newbox\tcb@phantombox
 
 \newcounter{tcbbreakpart}
 
@@ -90,6 +93,14 @@
   \tcbdimto\tcb@w@upper{\tcb@w@sbs-\tcb@w@lower}%
 }
 
+\def\tcb@shield@@externalize{%
+  \ifdefined\tikzexternaldisable%
+    \ifdefined\pgfpictureid%
+    \else%
+      \tikzexternaldisable%
+    \fi%
+  \fi}
+
 \pgfkeys{/handlers/.dimstore in/.code=\pgfkeysalso{\pgfkeyscurrentpath/.code=\def#1{\the\dimexpr##1\relax}}}
 
 \tcbset{%
@@ -182,7 +193,16 @@
     },
   enlarge left by/.store in=\kvtcb@bbleft,
   enlarge right by/.store in=\kvtcb@bbright,
-  toggle enlargement/.store in=\kvtcb@bbtoggle,
+  toggle enlargement/.is choice,
+  toggle enlargement/none/.code={\let\tcb@setbb@toggle=\tcb@setbb@toggle@none},
+  toggle enlargement/evenpage/.code={\let\tcb@setbb@toggle=\tcb@setbb@toggle@evenpage},
+  toggle enlargement/forced/.code={\let\tcb@setbb@toggle=\tcb@setbb@toggle@forced},
+  toggle enlargement/.default=evenpage,
+  toggle left and right/.is choice,
+  toggle left and right/none/.code={\let\tcb@lrtoggle=\tcb@lrtoggle@none},
+  toggle left and right/evenpage/.code={\let\tcb@lrtoggle=\tcb@lrtoggle@evenpage},
+  toggle left and right/forced/.code={\let\tcb@lrtoggle=\tcb@lrtoggle@forced},
+  toggle left and right/.default=evenpage,
   graphical environment/.store in=\kvtcb@graphenv,
   frame engine/.store in=\kvtcb@engine@frame,
   interior titled engine/.store in=\kvtcb@engine@interiortitled,
@@ -249,12 +269,13 @@
       \tcb@hack@currenvir\tabularx{\linewidth}{#2}},
     after upper=\endtabularx},
   tabularx/.style={tabularx*={}{#1}},
-  tikz upper/.style={before upper=\centering\tikzpicture[#1],after upper=\endtikzpicture},%
-  tikz lower/.style={before lower=\centering\tikzpicture[#1],after lower=\endtikzpicture},%
+  tikz upper/.style={before upper=\centering\tcb@shield@externalize\tikzpicture[#1],after upper=\endtikzpicture},%
+  tikz lower/.style={before lower=\centering\tcb@shield@externalize\tikzpicture[#1],after lower=\endtikzpicture},%
   oversize/.style={%
-    width=\the\dimexpr\dimexpr\linewidth\relax+\kvtcb@left@rule+\kvtcb@leftupper+\kvtcb@boxsep*2+\kvtcb@rightupper+\kvtcb@right@rule\relax,%
-    enlarge left by=\the\dimexpr-\kvtcb@left@rule-\kvtcb@leftupper-\kvtcb@boxsep\relax,%
-    enlarge right by=\the\dimexpr-\kvtcb@boxsep-\kvtcb@rightupper-\kvtcb@right@rule\relax},%
+    width=\the\dimexpr\dimexpr\linewidth+#1+\kvtcb@left@rule+\kvtcb@leftupper+\kvtcb@boxsep*2+\kvtcb@rightupper+\kvtcb@right@rule\relax,%
+    enlarge left by=\the\dimexpr-\kvtcb@left@rule-\kvtcb@leftupper-\kvtcb@boxsep-#1/2\relax,%
+    enlarge right by=\the\dimexpr-\kvtcb@boxsep-\kvtcb@rightupper-\kvtcb@right@rule-#1/2\relax},%
+  oversize/.default=0pt,%
   baseline/.store in=\kvtcb@baseline,%
   tcbox raise/.style={baseline=-#1},%
   tcbox raise base/.style={baseline=\tcb@val@raisebase},%
@@ -281,23 +302,24 @@
   minipage/.style={capture=minipage},%
   check odd page/.is choice,
   check odd page/true/.code={\let\tcb@checkoddpage=\checkoddpage%
-    \let\tcb@setbb@toggle@evenpage=\tcb@setbb@toggle@evenpage@strict},
+    \def\tcb@evenoddmode{strict}%
+    },
   check odd page/false/.code={\let\tcb@checkoddpage=\relax%
-    \let\tcb@setbb@toggle@evenpage=\tcb@setbb@toggle@evenpage@easy},
+    \def\tcb@evenoddmode{easy}%
+    },
   check odd page/.default=true,
+  phantom/.store in=\kvtcb@phantom,
+  step and label/.style 2 args={phantom={\refstepcounter{#1}\label{#2}}},%
+  nophantom/.style={phantom=},%
+  shield externalize/.is choice,
+  shield externalize/true/.code={\let\tcb@shield@externalize=\tcb@shield@@externalize},
+  shield externalize/false/.code={\let\tcb@shield@externalize=\relax},
+  shield externalize/.default=true,
+  lower separated/.is if=tcb@lowerseparated,
   }
 
-\tcbset{notitle,width=\linewidth,boxsep=1mm,boxrule=0.5mm,adjust text={\"Apgjy},
-  left=4mm,right=4mm,top=2mm,bottom=2mm,middle=2mm,arc=1mm,lowerbox=visible,
-  colback=black!5!white,colframe=black!75!white,coltext=black,coltitle=white,
-  fonttitle=,fontupper=,fontlower=,floatplacement=htb,nofloat,savelowerto=,
-  savedelimiter={tcolorbox},tempfile={\jobname.tcbtemp},autoparskip,
-  enlarge top by=0mm,enlarge bottom by=0mm,enlarge left by=0mm,enlarge right by=0mm,
-  toggle enlargement=none,toptitle=0mm,bottomtitle=0mm,
-  standard,parbox,overlay=,auto outer arc,
-  before title=,after title=,before upper=,after upper=,before lower=,after lower=,
-  baseline=0pt,sidebyside=false,sidebyside align=center,sidebyside gap=10mm,
-  lefthand ratio=0.5,capture=minipage,check odd page=false,
+\tcbset{%
+  autoparskip,minipage,savedelimiter=tcolorbox,%
   set@extensions@preframe=,set@extensions@postframe=,%
 }%
 
@@ -324,10 +346,10 @@
     \def\noexpand\@currenvline{\on@line}}%
   \reserved@a
     \@endpefalse
-    \begingroup%
+    \color@setgroup%
     \csname tcb@parbox@use@\kvtcv@parbox\endcsname%
     \ignorespaces\tcb@minipage#2\ignorespaces}
-\def\endtcb@lrbox{\unskip\endminipage\unskip\endgroup}
+\def\endtcb@lrbox{\unskip\endminipage\unskip\color@endgroup}
 
 \let\tcb@savebox=\tcb@lrbox
 \let\endtcb@savebox=\endtcb@lrbox
@@ -363,6 +385,10 @@
   \tcbdimto\tcb@innerwidth{\tcb@width-\kvtcb@left@rule-\kvtcb@right@rule}%
   \tcbdimto\tcb@temp{\tcb@innerwidth-\kvtcb@boxsep*2}%
   \tcbdimto\tcb@w@upper{\tcb@temp-\kvtcb@leftupper-\kvtcb@rightupper}%
+  \ifx\kvtcb@phantom\@empty\tcb@hasPhantomfalse\else%
+    \tcb@hasPhantomtrue%
+    \sbox\tcb@phantombox{\kvtcb@phantom}%
+  \fi%
   \ifx\kvtcb@title\@empty\tcb@hasTitlefalse\else%
     \tcb@hasTitletrue%
     \tcbdimto\tcb@w@title{\tcb@temp-\kvtcb@lefttitle-\kvtcb@righttitle}%
@@ -498,7 +524,6 @@
 
 \def\tcb@dbox@center#1#2#3#4{\pgftext[x=#1,y=#2+#3/2,left]{\box#4}}%
 
-\tcbset{natural height,space to lower,valign=top,valign lower=top}
 
 % fill frame
 \def\tcb@drawframe@standard{%
@@ -572,19 +597,53 @@
 \def\tcb@setbb@toggle@evenpage@easy{%
   \ifodd\thepage\tcb@setbb@toggle@none\else\tcb@setbb@toggle@forced\fi%
 }
-\let\tcb@setbb@toggle@evenpage=\tcb@setbb@toggle@evenpage@easy
 
 \def\tcb@setbb@toggle@evenpage@strict{%
   \ifoddpage\tcb@setbb@toggle@none\else\tcb@setbb@toggle@forced\fi%
 }
 
+\def\tcb@setbb@toggle@evenpage{%
+  \csname tcb@setbb@toggle@evenpage@\tcb@evenoddmode\endcsname%
+}
 
 \def\tcb@creategeonodes@false{}
 
+\def\tcb@swap#1#2{%
+  \let\tcb@temp=#1%
+  \let#1=#2%
+  \let#2=\tcb@temp%
+}
+
+\let\tcb@lrtoggle@none=\relax
+
+\def\tcb@lrtoggle@forced{%
+  \tcb@swap{\kvtcb@left@rule}{\kvtcb@right@rule}%
+  \tcb@swap{\kvtcb@lefttitle}{\kvtcb@righttitle}%
+  \tcb@swap{\kvtcb@leftupper}{\kvtcb@rightupper}%
+  \tcb@swap{\kvtcb@leftlower}{\kvtcb@rightlower}%
+}
+
+\def\tcb@lrtoggle@evenpage@easy{%
+  \unless\ifodd\thepage\tcb@lrtoggle@forced\fi%
+}
+
+\def\tcb@lrtoggle@evenpage@strict{%
+  \unless\ifoddpage\tcb@lrtoggle@forced\fi%
+}
+
+\def\tcb@lrtoggle@evenpage{%
+  \csname tcb@lrtoggle@evenpage@\tcb@evenoddmode\endcsname%
+}
+
 \def\tcb@bbdraw{%
   \tcb@checkoddpage%
-  \csname tcb@setbb@toggle@\kvtcb@bbtoggle\endcsname%
+  \tcb@lrtoggle%
+  \tcb@setbb@toggle%
   \pgfusepath{use as bounding box}%
+  \iftcb@hasPhantom%
+    \pgftext[x=0pt,y=\tcb@height-\baselineskip,left,top]{\box\tcb@phantombox}%
+    \tcb@hasPhantomfalse%
+  \fi%
   \csname tcb@creategeonodes@\kvtcv@geonodes\endcsname%
 }
 
@@ -650,6 +709,7 @@
     \let\tcb@h@lower=\tcb@zpt%
   \fi%
   %
+  \tcb@shield@externalize%
   \tcb@drawcolorbox%
 }
 
@@ -692,11 +752,13 @@
     \else%
       \csname tcb@drawwithouttitle@\kvtcb@engine@interior\endcsname%
     \fi%
-    \iftcb@lowerspace%
-      \csname tcb@drawlower@\kvtcb@engine@segmentation\endcsname%
-    \else\iftcb@sidebyside%
-      \csname tcb@drawlower@\kvtcb@engine@segmentation\endcsname%
-    \fi\fi%
+    \iftcb@lowerseparated%
+      \iftcb@lowerspace%
+        \csname tcb@drawlower@\kvtcb@engine@segmentation\endcsname%
+      \else\iftcb@sidebyside%
+        \csname tcb@drawlower@\kvtcb@engine@segmentation\endcsname%
+      \fi\fi%
+    \fi%
     \iftcb@hasTitle%
       \csname tcb@drawtitle@\kvtcb@engine@title\endcsname%
     \fi%
@@ -708,13 +770,13 @@
   \end{\kvtcb@graphenv}\end{tcb@float}%
 }
 
-\def\tcb@draw@border#1{}
-
 \let\tcb@drawcolorbox@standalone=\tcb@drawcolorbox
 
+\def\tcb@draw@border#1{}
+
 \long\def\tcbox@inner@hbox#1{%
   \tcbset{breakable@false,sidebyside=false}%
-  \setbox\tcb@upperbox=\hbox{\begingroup\color{\kvtcb@colupper}\kvtcb@fontupper\kvtcb@before@upper\ignorespaces#1\unskip\kvtcb@after@upper\endgroup}%
+  \sbox\tcb@upperbox{\color{\kvtcb@colupper}\kvtcb@fontupper\kvtcb@before@upper\ignorespaces#1\unskip\kvtcb@after@upper}%
   \tcbdimto{\tcb@temp@wd}{\wd\tcb@upperbox}%
   \tcbdimto{\tcb@val@raisebase}{\the\dimexpr\dp\tcb@upperbox+\kvtcb@bottom+\kvtcb@boxsep+\kvtcb@bottom@rule@stand+\kvtcb@bbbottom@stand\relax}%
   \tcbset{width=\the\dimexpr\tcb@temp@wd+\kvtcb@left@rule+\kvtcb@leftupper+\kvtcb@boxsep*2+\kvtcb@rightupper+\kvtcb@right@rule\relax}%
@@ -838,6 +900,29 @@
   \edef#1{\unexpanded{#2}\tcb@expandonce#1}%
   \fi}
 
+\def\tcb@reset{}%
+\tcbset{%
+  initialize@reset/.code={\tcbset{#1}\tcb@appto\tcb@reset{\tcbset{#1}}},%
+  reset/.code={\tcb@reset},%
+  reset@core/.style={notitle,width=\linewidth,
+    natural height,space to lower,valign=top,valign lower=top,
+    boxsep=1mm,boxrule=0.5mm,
+    left=4mm,right=4mm,top=2mm,bottom=2mm,middle=2mm,arc=1mm,
+    enlarge top by=0mm,enlarge bottom by=0mm,enlarge left by=0mm,enlarge right by=0mm,
+    toggle enlargement=none,toggle left and right=none,toptitle=0mm,bottomtitle=0mm,
+    baseline=0pt,adjust text={\"Apgjy},lowerbox=visible,lower separated,
+    colback=black!5!white,colframe=black!75!white,coltext=black,coltitle=white,
+    fonttitle=,fontupper=,fontlower=,floatplacement=htb,nofloat,savelowerto=,
+    tempfile={\jobname.tcbtemp},
+    standard,parbox,overlay=,auto outer arc,
+    before title=,after title=,before upper=,after upper=,before lower=,after lower=,
+    sidebyside=false,sidebyside align=center,sidebyside gap=10mm,
+    lefthand ratio=0.5,check odd page=false,nophantom,
+    shield externalize=false,
+  },
+  initialize@reset=reset@core,
+}
+
 % libraries
 \def\tcb@optionlist{}