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make label below option work for \annotate #16

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May 6, 2023
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make label below option work for \annotate #16

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7 changes: 5 additions & 2 deletions annotate-equations.sty
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
%
\NeedsTeXFormat{LaTeX2e}[1994/06/01]
\ProvidesPackage{annotate-equations}
[2023/05/05 v0.2.1 easily annotate equations using TikZ]
[2023/05/06 v0.2.2 easily annotate equations using TikZ]

%%% lualatex compatibility, from https://tex.stackexchange.com/a/351520/171664
\RequirePackage{ifluatex}
Expand Down Expand Up @@ -170,6 +170,9 @@
\colorlet{currentcolor}{.}
\def\myEAcolor{\usevalue{\myEAmark}}%
%
\def\EAspace{ } % workaround: did not find any other way of getting a space into \myEAlabelanchor without upsetting LaTeX/PGF/... somehow
\edef\myEAlabelanchor{\EAlabelanchor\EAspace\EAwesteast}%
%
%
\def\myEAxshift{\EAxshift{\EAwesteast}}%
\begin{tikzpicture}[overlay,remember picture,>=stealth,nodes={align=left,inner ysep=1pt},<-]
Expand All @@ -182,7 +185,7 @@
\foreach \EAmark in \myEAmarks
\draw [color=\myEAcolor, annotate equations/arrow] (\EAmark.\EAmarkanchor) % arrow from the equation
% \EAmarkanchor north: above the equation, south: below
|- ([xshift=\myEAxshift,yshift=0.1ex] \eqnannotateCurrentNode.south \EAwesteast);
|- ([xshift=\myEAxshift,yshift=0.1ex] \eqnannotateCurrentNode.\myEAlabelanchor);
% - south east: we want line to end at bottom right of annotation text;
% - negative xshift makes it a little bit shorter;
% - yshift for aesthetics (\strut is ever so slightly too tall).
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6 changes: 2 additions & 4 deletions annotate-equations.tex
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Expand Up @@ -26,7 +26,7 @@
text above listing,
#1}

\title{\texttt{annotate-equations.sty}, v.0.2.1}
\title{\texttt{annotate-equations.sty}, v.0.2.2}
\author{ST John}
\date{\url{https://github.com/st--/annotate-equations}}

Expand Down Expand Up @@ -131,7 +131,7 @@ \subsection{Annotation options}
\end{equation*}
\annotate[yshift=1em]{left}{node1}{my}
\annotate[yshift=-0.5em]{below,left}{node2}{annotation}
\annotate[yshift=-1em]{below}{node3}{text}
\annotate[yshift=-1em]{below, label below}{node3}{text}
\end{LTXexample}
\noindent
%
Expand Down Expand Up @@ -362,8 +362,6 @@ \subsection{Extra spacing between \texttt{\textbackslash{}tikzmarknode} and arro
\section{Known issues}

\begin{itemize}
\item \texttt{label above}/\texttt{label below} is not implemented for \verb|\annotate|.

\item Annotations of mathematical relations require some manual patching to get the correct surrounding spacing (see \cref{sec:mathrel}).

\end{itemize}
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