From fa3720c40955f139e3846475ff94698d483128b4 Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Mon, 7 Jan 2019 22:12:07 +0000
Subject: memorygraphs (7jan19)

git-svn-id: svn://tug.org/texlive/trunk@49631 c570f23f-e606-0410-a88d-b1316a301751
---
 .../tex/latex/memorygraphs/memorygraphs.sty        | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

(limited to 'Master/texmf-dist/tex/latex/memorygraphs')

diff --git a/Master/texmf-dist/tex/latex/memorygraphs/memorygraphs.sty b/Master/texmf-dist/tex/latex/memorygraphs/memorygraphs.sty
index bcd5286b718..15a13207ec0 100644
--- a/Master/texmf-dist/tex/latex/memorygraphs/memorygraphs.sty
+++ b/Master/texmf-dist/tex/latex/memorygraphs/memorygraphs.sty
@@ -1,5 +1,5 @@
 %% memorygraphs.tex
-%% Copyright 2018 C. Staps
+%% Copyright 2018-2019 C. Staps
 %
 % This work may be distributed and/or modified under the
 % conditions of the LaTeX Project Public License, either version 1.3
@@ -16,7 +16,7 @@
 % This work consists of the files memorygraphs.sty and the documentation in
 % memorygraphs.tex and example-fibonacci.tex.
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{memorygraphs}[2018/12/26 v0.1 Draw memory graphs using TikZ]
+\ProvidesPackage{memorygraphs}[2019/01/06 v0.1.1 Draw memory graphs using TikZ]
 
 \RequirePackage{tikz}
 \usetikzlibrary{arrows.meta,calc,positioning,shapes}
@@ -90,15 +90,18 @@
 		anchor=mid,
 		every block,
 	},
-	block/.append code={\let\arg\memorygraphs@arg},
+	block/.append code={%
+		\let\arg\memorygraphs@arg%
+		\gdef\memorygraphs@arity{0}%
+	},
 	block mark north east/.style={
 		append after command={
 			\pgfextra
 				\pgfinterruptpath
 				\draw[#1]
-					($(\tikzlastnode.head north east)-(0,.5\pgflinewidth)$)
+					($(\tikzlastnode.head north east)-(\ifnum\memorygraphs@arity=0 .5\pgflinewidth\else0\fi,.5\pgflinewidth)$)
 					-- +(0,-\memorygraphs@marklength)
-					-- ($(\tikzlastnode.head north east)-(0+\memorygraphs@marklength,.5\pgflinewidth)$)
+					-- ($(\tikzlastnode.head north east)-(\ifnum\memorygraphs@arity=0 .5\pgflinewidth\else0\fi+\memorygraphs@marklength,.5\pgflinewidth)$)
 					-- cycle;
 				\endpgfinterruptpath
 			\endpgfextra
@@ -109,9 +112,9 @@
 			\pgfextra
 				\pgfinterruptpath
 				\draw[#1]
-					($(\tikzlastnode.head south east)+(0,.5\pgflinewidth)$)
+					($(\tikzlastnode.head south east)+(\ifnum\memorygraphs@arity=0 -.5\pgflinewidth\else0\fi,.5\pgflinewidth)$)
 					-- +(0,\memorygraphs@marklength)
-					-- ($(\tikzlastnode.head south east)+(0-\memorygraphs@marklength,.5\pgflinewidth)$)
+					-- ($(\tikzlastnode.head south east)+(\ifnum\memorygraphs@arity=0 -.5\pgflinewidth\else0\fi-\memorygraphs@marklength,.5\pgflinewidth)$)
 					-- cycle;
 				\endpgfinterruptpath
 			\endpgfextra
@@ -151,6 +154,11 @@
 		rectangle split every empty part={},
 		rectangle split empty part width=.2em,
 	},
+	arity/.append code={%
+		\pgfmathsetcount\c@pgf@counta{\pgfkeysvalueof{/pgf/rectangle split parts}}%
+		\ifnum\c@pgf@counta=0\else\advance\c@pgf@counta by-1 \fi
+		\xdef\memorygraphs@arity{\the\c@pgf@counta}%
+	},
   ref/.style={
 		{Circle[length=3pt]}-Latex,
 		shorten <=-1.5pt,
-- 
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