Add terms to the terms bib file

Use TikZ as a sample entry for the regular 'terms' index

bib/glossaries/index/terms.bib

@@ -0,0 +1,19 @@
+% Encoding: UTF-8
+
+In bib files, there are no comment characters (%).
+However, any entry outside the regular (at)type{...} syntax is ignored.
+This makes regular text "comments".
+Further, bib2gls supports '%' as a comment character.
+
+The labels cannot contain UTF-8 characters and must stay ASCII.
+If such a word occurs, we must provide the name field separately and escape UTF-8.
+Provide plural fields just in case they are ever required.
+
+@index{latex_package,
+ name={\LaTeX{} package},
+ plural={\LaTeX{} packages},
+}
+@index{tikz,
+ name={Ti\textit{k}Z},
+ parent={latex_package},
+}

chapters/mainmatter/floats.tex

@@ -69,7 +69,7 @@ \chapter{Float Features}
  draw free\-/flowing vectors graphics with InkScape, then add text in
  \LaTeX{} (which can be done in \verb|\foreach| loops as well).
  An example for annotations (with loops) is shown in \cref{fig:bitmap_tikz}.
- All other graphics that are neither bitmaps nor Ti\textit{k}Z graphics are
+ All other graphics that are neither bitmaps nor \idx{tikz} graphics are
  handled using the \ctanpackage{svg} approach.
 
  All of this is very convenient indeed, since we can now do everything in
@@ -601,7 +601,7 @@ \subsection{Drawing over Bitmaps}
  \end{subfloatrow}
  }{%
  \caption{%
- Drawing over a bitmap graphic using Ti\textit{k}Z in a vertical sub\-/figure
+ Drawing over a bitmap graphic using \idx{tikz} in a vertical sub\-/figure
  environment%
  }
  \label{fig:bitmap_tikz}
@@ -614,7 +614,7 @@ \subsection{Trees}
 It is a very easy package to get started with.
 Take a look at the source code.
 It is deceivingly simple, but also highly customizable.
-Note that the package is stand\-/alone, but uses Ti\textit{k}Z under the hood
+Note that the package is stand\-/alone, but uses \idx{tikz} under the hood
 (like a lot of packages do).
 \begin{figure}
  \ffigbox[\textwidth]{% forest does not work with \FBwidth (?)
@@ -707,7 +707,7 @@ \subsubsection{Directly in \LaTeX{}}
 This is already taken care of for this document.
 As such, a plot from existing \texttt{*.csv} data can be set up in a handful of
 lines using one of the built-in styles, like \texttt{regularplot}.
-Plotting from a Ti\textit{k}Z function is demonstrated in
+Plotting from a \idx{tikz} function is demonstrated in
 \cref{fig:plotting_in_latex,fig:plotting_in_latex_tufte}.
 
 \tikzset{
@@ -1308,7 +1308,7 @@ \subsubsection{Importing CSV}
 
 \subsection{TikZ and Text}
 
-Ti\textit{k}Z content can also be intertwined with text using \verb|\tikzmark|.
+\idx{tikz} content can also be intertwined with text using \verb|\tikzmark|.
 This is illustrated in \cref{eq:tikz_in_text}.
 Note that this procedure needs two compilation runs, since the label positions
 need to be written to an auxiliary file first.
@@ -1376,9 +1376,9 @@ \subsection{TikZ and Text}
 
 \subsection{Regular TikZ pictures}
 
-Ti\textit{k}Z really is not meant for arbitrary graphics.
+\idx{tikz} really is not meant for arbitrary graphics.
 The more free\-/form images shown in this document were created using InkScape.
-Still, \enquote{drawing} in Ti\textit{k}Z is much preferred and easier when the
+Still, \enquote{drawing} in \idx{tikz} is much preferred and easier when the
 images are somewhat programmatic, aka there are straight corners, edges and turns,
 equal distances, and everything is a bit \enquote{block-like}, repetitive.
 For example, a small file structure diagram:
@@ -1400,7 +1400,7 @@ \subsection{Regular TikZ pictures}
 \end{center}
 Note how \verb|tikzpicture| environments do not have to be contained in floats.
 
-More Ti\textit{k}Z examples are shown in
+More \idx{tikz} examples are shown in
 \cref{fig:tikz_control_diagram,fig:tikz_circuit_example,fig:tikz_threedimensional_example}.
 
 \begin{figure}\ContinuedFloat*
@@ -1529,15 +1529,15 @@ \subsection{Regular TikZ pictures}
  % for a good macro to print "MATLAB/Simulink" (not used here since it
  % it wouldn't be used much at all)
  Wastegate implementation in a feedback\-/loop in MATLAB/Simulink
- as an example for a Ti\textit{k}Z diagram%
+ as an example for a \idx{tikz} diagram%
  }%
  \label{fig:tikz_control_diagram}%
  }%
 \end{figure}
 
 \begin{figure}\ContinuedFloat
  \fcapside[\FBwidth]{
- \caption{Example for the \texttt{circuits.ee.IEC} Ti\textit{k}Z library}
+ \caption{Example for the \texttt{circuits.ee.IEC} \idx{tikz} library}
  \label{fig:tikz_circuit_example}
  }{
  \begin{tikzpicture}[
@@ -1579,7 +1579,7 @@ \subsection{Regular TikZ pictures}
 \begin{figure}\ContinuedFloat
  \fcapside[\FBwidth]{
  \caption{%
- Example for a three\-/dimensional Ti\textit{k}Z drawing using the
+ Example for a three\-/dimensional \idx{tikz} drawing using the
  \texttt{3d} library%
  }
  \label{fig:tikz_threedimensional_example}
@@ -1644,15 +1644,15 @@ \subsection{Regular TikZ pictures}
 
 \paragraph{Included shapes}
 This repository includes custom\-/made shapes for thermodynamic applications.
-These can be used like many other Ti\textit{k}Z elements, for example by
+These can be used like many other \idx{tikz} elements, for example by
 positioning them somewhere on the canvas, connecting them to other elements,
 rotating them \iecfeg{etc}.
-In that sense, they work like usual Ti\textit{k}Z elements (just buggier\dots{}).
+In that sense, they work like usual \idx{tikz} elements (just buggier\dots{}).
 There are a couple of advantages:
 \begin{enumerate}
  \item unified looks: no more drawing these in InkScape, where they come out
  slightly dissimilar every time,
- \item tight integration with Ti\textit{k}Z, allowing to use all its other
+ \item tight integration with \idx{tikz}, allowing to use all its other
  features,
  \item very fast generation of drawings once some familiarity is gained;
  with InkScape or other outside tools, one can also become fast, but it is
@@ -1665,7 +1665,7 @@ \subsection{Regular TikZ pictures}
 \begin{figure}\ContinuedFloat*
  \ffigbox[\FBwidth]{
  \caption{%
- Example for a thermodynamic device drawing using Ti\textit{k}Z.
+ Example for a thermodynamic device drawing using \idx{tikz}.
  It relies heavily on the custom\-/made library of shapes%
  }
  \label{fig:tikz_thermodynamic_drawing}
@@ -1746,7 +1746,7 @@ \subsection{Regular TikZ pictures}
  every node/.style={font=\small}
  }
  \ffigbox[\FBwidth]{%
- \caption{Example Ti\textit{k}Z shapes}
+ \caption{Example \idx{tikz} shapes}
  \label{fig:tikz_thermodynamics_radiators}
  }{%
  \begin{tikzpicture}
@@ -1847,7 +1847,7 @@ \subsection{Regular TikZ pictures}
 
 \subsection{InkScape}
 
-Having seen what Ti\textit{k}Z is good at,
+Having seen what \idx{tikz} is good at,
 \cref{fig:tighter_caption,fig:multiple_floats,fig:sidecap}
 are good examples for when InkScape might be the better choice:
 three\-/dimensional, curvy drawings.