- Replace MarginNote package with Marginalia.

- Miscellaneous cleanup.

Marginalia.sty

@@ -0,0 +1,76 @@
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{PrimeTeX/Marginalia}[2025-07-09]
+
+% Marginalia formatting.
+\colorlet{marginTextColor}{PrimeBlue}
+
+\RequirePackage{marginalia}
+\marginaliasetup{
+	ysep	= {\parskip},
+	ysep page bottom = {
+		- 1in 
+		+ \paperheight 
+		- \voffset 
+		- \topmargin 
+		- \textheight
+	},
+	style recto outer = {\raggedright\small\color{marginTextColor}},
+	style verso outer = {\raggedleft\small\color{marginTextColor}},
+}
+
+% Put a glossary definition in a margin paragraph. 
+\newcommand{\mdef}[2]{%
+	\index{\glsentryname{#1}}% Add a reference to this in the index.
+	\strong{#2{#1}}% This is the text that appears on the page.
+	\marginalia{%
+		\slab{\strong{\Glsentryname{#1}:}} % Create the title of the margin note.
+		\glsdesc*{#1}% Create the text of the margin note.
+	}%
+}
+\newcommand{\margindef}[1]{%
+	\mdef{#1}{\gls}%
+}
+\newcommand{\Margindef}[1]{%
+	\mdef{#1}{\Gls}%
+}
+\newcommand{\margindefpl}[1]{%
+	\mdef{#1}{\glspl}%
+}
+\newcommand{\Margindefpl}[1]{%
+	\mdef{#1}{\Glspl}%
+}
+
+% Put a footnote in a margin paragraph.
+\newcommand{\mnote}[1]{%
+	\footnotemark%
+	\marginalia{%
+		\footnotemark[\value{footnote}]#1%
+	}%
+}
+
+\newcommand{\marginfig}[4][]{%
+	% Syntax:
+	% \marginfig[
+	%	(width|height)=lengthvalue, or any other optional \includegraphics 
+	%		parameters
+	% ]{
+	%	graphic_file_name
+	% }{
+	%	label
+	% }{
+	%	caption
+	% }
+	%
+	% This strut ensures that the margin figure is counted as part of the 
+	% following paragraph and is vertically aligned with it.
+	\strut% 
+	\marginalia{%
+		\captionsetup{%
+			type = figure,%
+			%justification = raggedoutside,
+		}%
+		\centering\includegraphics[keepaspectratio,#1]{#2}\par%
+		\captionof{figure}{#4}%
+		\label{fig:#3}%
+	}%
+}