binarytree (26jul16)

git-svn-id: svn://tug.org/texlive/trunk@41777 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 8 insertions, 6 deletions

diff --git a/Master/texmf-dist/tex/latex/binarytree/binarytree.sty b/Master/texmf-dist/tex/latex/binarytree/binarytree.sty
index c41f83a811d..0fac4e064c6 100644
--- a/Master/texmf-dist/tex/latex/binarytree/binarytree.sty
+++ b/Master/texmf-dist/tex/latex/binarytree/binarytree.sty
@@ -23,7 +23,7 @@
 %% 
 \NeedsTeXFormat{LaTeX2e}[1994/06/01]
 \ProvidesPackage{binarytree}
-  [2016/07/01 v1.0 Binary trees using TikZ]
+  [2016/07/25 v1.01 Binary trees using TikZ]
 \RequirePackage{tikz}
 \newdimen\BT@bbox@r@width
 \newdimen\BT@bbox@l@width
@@ -384,6 +384,8 @@
   \extractcolorspecs{#1}{\tmp@mod}{\tmp@col}%
   \convertcolorspec{\tmp@mod}{\tmp@col}{rgb}{\tmp@col}%
   \BT@endgroup@let#2\tmp@col}
+\def\BT@at@to@dash#1{\BT@at@to@dash@i#1\@nil}
+\def\BT@at@to@dash@i @#1{\ifx\@nil#1\else-#1\expandafter\BT@at@to@dash@i\fi}
 \def\BT@anchor@or@default#1#2{%
   \BT@if@blank{#1}{\pgfkeysvalueof{/BT/#2 label anchor}}{#1}}
 \def\BT@color@or@default#1{\BT@if@blank{#1}{BT@default}{#1}}
@@ -392,7 +394,7 @@
   \ifx#1#2\expandafter\BT@if@child@is@outer@i\expandafter @\expandafter#2%
   \else\expandafter\BT@if@child@is@outer@ii\expandafter#2\fi}
 \def\BT@if@child@is@outer@ii#1{%
-  \ifx#1\@nil\expandafter\@firstoftwo%
+  \ifx\@nil#1\expandafter\@firstoftwo%
   \else\expandafter\expandafter\expandafter\@secondoftwo%
     \expandafter\BT@gobble@till@nil\fi}
 \def\BT@check@if@new@level#1{%
@@ -598,17 +600,17 @@
 \def\BT@draw@tree@children#1#2{%
   \ifnum\numexpr#2\relax = \numexpr\BT@max@depth\relax\else%
     child[\ifcsname#1r@ styled\endcsname binary tree/#1r@\else%
-      binary tree/default\fi] {node {}% right
+      binary tree/default\fi] {node (btree\BT@at@to@dash{#1r@}) {}% right
         \BT@draw@tree@children{#1r@}{#2+1} }%
     child[\ifcsname#1l@ styled\endcsname binary tree/#1l@\else%
-      binary tree/default\fi] {node {}% left
+      binary tree/default\fi] {node (btree\BT@at@to@dash{#1l@}) {}% left
         \BT@draw@tree@children{#1l@}{#2+1} }\fi}
 \def\BT@draw@tree{%
   \ifBT@root@edge%
     \advance\BT@bbox@height\BT@level@distance\relax%
     \BT@adjust@bbox@sides%
     \edef\BT@tree{%
-      \noexpand\node[\ifcsname @ styled\endcsname binary tree/@\fi] {}%
+      \noexpand\node[\ifcsname @ styled\endcsname binary tree/@\fi] (btree-root) {}%
       child[\ifcsname @ styled\endcsname binary tree/@\fi] {%
         node {} \BT@draw@tree@children{@}{\BT@root@depth}}}%
     \clip (-\BT@bbox@l@width,-\BT@bbox@depth)%
@@ -618,7 +620,7 @@
     \BT@tree;%
   \else\BT@adjust@bbox@sides%
     \edef\BT@tree{%
-      \noexpand\node[\ifcsname @ styled\endcsname binary tree/@\fi] {}%
+      \noexpand\node[\ifcsname @ styled\endcsname binary tree/@\fi] (btree-root) {}%
       \BT@draw@tree@children{@}{\BT@root@depth}}%
     \clip (-\BT@bbox@l@width,-\BT@bbox@depth)%
       rectangle (\BT@bbox@r@width,\BT@bbox@height);%