dlfltxb update (10jul07)

git-svn-id: svn://tug.org/texlive/trunk@4607 c570f23f-e606-0410-a88d-b1316a301751

3 files changed, 77 insertions, 22 deletions

diff --git a/Master/texmf-dist/tex/latex/dlfltxb/dlfltxbcodetips.sty b/Master/texmf-dist/tex/latex/dlfltxb/dlfltxbcodetips.sty
index e09446ebe6c..1a58f5f86a6 100644
--- a/Master/texmf-dist/tex/latex/dlfltxb/dlfltxbcodetips.sty
+++ b/Master/texmf-dist/tex/latex/dlfltxb/dlfltxbcodetips.sty
@@ -1,4 +1,4 @@
-\ProvidesPackage{dlfltxbcodetips}[2007/06/01 v0.2 by Lars 'daleif' Madsen]
+\ProvidesPackage{dlfltxbcodetips}[2007/07/11 v0.26 by Lars 'daleif' Madsen]
 
 % this pacakge collects some macros presented as code tips in my LaTeX
 % book: "Introduktion til LaTeX". As the macros might be useful for
@@ -25,8 +25,26 @@
 %          \bigtimes, all due to Enrico Gregorio
 %          also made the environment uded inside \NewShadedTheorem
 %          configurable. 
+% 20070604 Karl Ove Hufthammer mentioned that mathdesign does not like
+%          amssymb, and _does_ implement \nleftarrow \nrightnarrow. The
+%          package option 'noamssymb' now disables loading amssymb
+% 20070606 alternative konstruction of \NewShadedTheorem, now using
+%          ntheorem konstructions internally
+% 20070710 bug fix regarding shadedtheorems, the counter aliasing did
+%          not work correctly
+% 20070711 Bug fixed in \ArrowBetweenLines, the \ifin@ should go
+%          inside the \noalign, not outside.
+
+\newif\ifdlf@do@load@amssymb
+\dlf@do@load@amssymbtrue
+
+\DeclareOption{noamssymb}{\dlf@do@load@amssymbfalse}
+
+\ProcessOptions\relax
+
+\RequirePackage{amsmath}
+
 
-\RequirePackage{amsmath,amssymb}
 
 % \InsertTheoremBreak removes the spacing above the first item,
 % \InsertTheoremBreak* does not
@@ -44,6 +62,7 @@
 % \ArrowBetweenLines* on the right
 % more information is needed
 % requires the amsmath package
+% Now including a fix explained by Jean-Côme Charpentier
 \def\ArrowBetweenLines{\relax
   \iffalse{\fi\ifnum0=`}\fi
   \@ifstar{\ArrowBetweenLines@auxI{00}}{\ArrowBetweenLines@auxI{01}}}
@@ -56,9 +75,9 @@
   \crcr
   \noalign{\nobreak\vskip-\baselineskip\vskip-\lineskip}%
   \noalign{\expandafter\in@\expandafter{\@currenvir}%
-      {alignedat,aligned,gathered}}%
+      {alignedat,aligned,gathered}%
+  \ifin@ \else\notag\fi}%
   \if#1 &&\quad #2\else #2\quad\fi
-  \ifin@ \else\notag\fi
   \\\noalign{\nobreak\vskip-\lineskip}}
 
 
@@ -67,41 +86,57 @@
 % currently only ntheorem is supported (perhaps support for amsthm or
 % theorem will be added later)
 % has the same syntax as \newtheorem
-
-\newcommand\NTSshadeenvironment{shaded}
+%
+% redesigned 2007/06/06
+\def\theoremframecommand{}
 \newcommand\NewShadedTheorem[1]{%
+%   \@ifpackageloaded{ntheorem}{
+%     \@ifpackagewith{ntheorem}{framed}{}{
+%       \PackageError{dlfltxbcodetips}{
+%         \string\NewShadedTheorem\space requires ntheorem to be ^^J
+%         loaded with the framed option}{}
+%       }
+%   }{
+%     \PackageError{dlfltxbcodetips}{\string\NewShadedTheorem\space can
+%       only be used^^J with the ntheorem package}{}
+%     }
   \@ifnextchar[{\NST@levelii{#1}}{\NST@levelii{#1}[]}}
 \def\NST@levelii#1[#2]#3{%
   \@ifnextchar[{\NST@leveliii{#1}[#2]{#3}}{\NST@leveliii{#1}[#2]{#3}[]}}
 \newcommand\NST@helper[1]{%
   \edef\@tempa{c@#1}\edef\@tempb{c@#1@inner}%
   \expandafter\let\csname\@tempa\expandafter\endcsname\csname\@tempb\endcsname%
+  \edef\@tempa{p@#1}\edef\@tempb{p@#1@inner}%
+  \expandafter\let\csname\@tempa\expandafter\endcsname\csname\@tempb\endcsname%
+  \edef\@tempa{cl@#1}\edef\@tempb{cl@#1@inner}%
+  \expandafter\let\csname\@tempa\expandafter\endcsname\csname\@tempb\endcsname%
   \edef\@tempa{the#1}\edef\@tempb{the#1@inner}%
   \expandafter\let\csname\@tempa\expandafter\endcsname\csname\@tempb\endcsname%
 }
 \def\NST@leveliii#1[#2]#3[#4]{%
   \ifx\\#2\\% i.e. no common counter
     \ifx\\#4\\% i.e. no dominant counter
-      \newtheorem{#1@inner}{#3}%
+      \newshadedtheorem{#1@inner}{#3}%
       \NST@helper{#1}%
     \else% i.e. dominant counter
-      \newtheorem{#1@inner}{#3}[#4]%
+      \newshadedtheorem{#1@inner}{#3}[#4]%
       \NST@helper{#1}%
   \fi%
   \else% i.e. common counter
-    \newtheorem{#1@inner}[#2]{#3}%
+    \newshadedtheorem{#1@inner}[#2]{#3}%
   \fi%
   \newenvironment{#1}{%
-    \begin{\NTSshadeenvironment}%
+    % code stolen from ntheorem.sty
+    \thm@topsepadd \theorempostskipamount
+    \ifvmode \advance\thm@topsepadd\partopsep\fi
+    \trivlist
+    \@topsep \theorempreskipamount
+    \@topsepadd \thm@topsepadd
+    \item
       \setlength\theorempreskipamount{0pt}%
       \setlength\theorempostskipamount{0pt}%
-      \begin{#1@inner}}{\end{#1@inner}\end{\NTSshadeenvironment}\@endparenv}%
-    \newtheorem*{#1@innerstr}{#3}
-  \newenvironment{#1*}{%
-    \begin{\NTSshadeenvironment}%
-      \setlength\theorempreskipamount{0pt}%
-      \setlength\theorempostskipamount{0pt}%
-      \begin{#1@innerstr}}{\end{#1@innerstr}\end{\NTSshadeenvironment}\@endparenv}%
+      \begin{#1@inner}
+      }{\end{#1@inner}\endtrivlist\@endparenv}%
   }
 
 % Mathematics into Type by Ellen Swanson recommends that line-broken
@@ -156,7 +191,15 @@
 }
 \newcommand\bigtimes{\mathop{\dlf@bigtimes}\displaylimits}
 
-% better construction fro \nuparrow and \ndownarrow, se also
+
+
+\ifdlf@do@load@amssymb
+  \RequirePackage{amssymb}
+\fi
+
+\RequirePackage{graphicx}
+
+% better construction for \nuparrow and \ndownarrow, se also
 % http://groups.google.com/group/comp.text.tex/msg/689cc8bd604fdb51 
 % again due to Enrico Gregorio
 % construction requires graphicx
@@ -167,8 +210,20 @@
   \dp0=\dimen0 \box0 \mkern2.3965mu
 }
 
-\def\nuparrow{\mathrel{\mathpalette\dlf@nrotarrow\nrightarrow}}
-\def\ndownarrow{\mathrel{\mathpalette\dlf@nrotarrow\nleftarrow}} 
+\@ifundefined{nrightarrow}{%
+  \PackageWarning{dlfltxbcodetips}{\string\nrightarrow\space not found,^^J 
+    \string\nuparrow\space will not be defined}
+}{
+  \def\nuparrow{\mathrel{\mathpalette\dlf@nrotarrow\nrightarrow}}
+}
+
+\@ifundefined{nleftarrow}{%
+  \PackageWarning{dlfltxbcodetips}{\string\nleftarrow\space not found,^^J 
+    \string\ndownarrow\space will not be defined}
+}{
+  \def\ndownarrow{\mathrel{\mathpalette\dlf@nrotarrow\nleftarrow}} 
+}
+
 
 % this can be used as the first thing in an amsmath alignment
 % environments for displayed math. It switches \abovedisplayskip and
diff --git a/Master/texmf-dist/tex/latex/dlfltxb/dlfltxbmarkup.sty b/Master/texmf-dist/tex/latex/dlfltxb/dlfltxbmarkup.sty
index 30daa71f5f7..ba40ef465e8 100644
--- a/Master/texmf-dist/tex/latex/dlfltxb/dlfltxbmarkup.sty
+++ b/Master/texmf-dist/tex/latex/dlfltxb/dlfltxbmarkup.sty
@@ -233,7 +233,7 @@
   \addtolength\sideparvshift{\feline@spvs@addto}%
   \fi%
   \if@feline@txt\feline@text{#2}\fi%
-  \if@feline@idx\feline@index{#2}\fi%
+  \if@feline@idx\phantomsection\feline@index{#2}\fi%
   \if@feline@mrgn\if@feline@hsp\hspace{0pt}\fi\feline@margin{#2}\fi%
   \@feline@txttrue%
   \@feline@mrgntrue%
diff --git a/Master/texmf-dist/tex/latex/dlfltxb/dlfltxbmisc.sty b/Master/texmf-dist/tex/latex/dlfltxb/dlfltxbmisc.sty
index 80878531cb2..367c9e57669 100644
--- a/Master/texmf-dist/tex/latex/dlfltxb/dlfltxbmisc.sty
+++ b/Master/texmf-dist/tex/latex/dlfltxb/dlfltxbmisc.sty
@@ -99,7 +99,7 @@
   \else%
   % special thanks to Dan Luecking for this, since my original
   % \hspace{\fill} failed miserably
-  \hskip1em plus 5em minus .5em
+  \hskip1em plus 5em minus .7em
   \fi%
   {\footnotesize #1~~{\url{#2}}} % 
   \par%