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+\documentclass[11pt]{article}
+\usepackage[margin=1in]{geometry}
+\usepackage[parfill]{parskip}% Begin paragraphs with an empty line rather than an indent
+\usepackage{graphicx}
+%SetFonts
+% libertine+newtxmath
+\usepackage[full]{textcomp}
+\usepackage[osf,tabular,sups]{Baskervaldx}
+\usepackage[T1]{fontenc}
+\usepackage[scaled=.95]{cabin}
+\usepackage[varqu,varl]{zi4}% inconsolata
+\usepackage[bigdelims,vvarbb]{newtxmath}
+\usepackage[cal=boondoxo]{mathalfa}
+%SetFonts
+\title{The Baskervaldx package}
+\author{Michael Sharpe}
+\date{\today} % Activate to display a given date or no date
+
+\begin{document}
+\maketitle
+The fonts included in this package are extensions and modifications of regular and bold weights of the \textsf{baskervald} fonts, which serve as a replacement for \textsf{Baskerville}. The changes provide small caps in all four styles, and a total of four ordinary figure types \{tabular, proportional\}$\times$\{lining, oldstyle\} in each of those styles. The xheights of the two upright shapes has been increased from 415{\tt em} to 432{\tt em} to better match the Italic and other subsidiary fonts, and the ascender sizes have been shortened to avoid height problems. Many new accented glyphs have been added so that
+all characters in T$1$ encoding are available except for the Sami characters Eng and eng. This left three unused slots in T$1$, and those have been filled with three ligatures \verb|f_j|, \verb|f_f_j| and \verb|c_t|, only the first two of which are activated by default, along with the usual f-ligatures \verb|f_i|, \verb|f_l|, \verb|f_f_i|, \verb|f_f_l|, \verb|f_f|. (In LY$1$, an additional two ligatures are available: \verb|s_p| and \verb|s_t|, also not activated by default.)
+
+The package has the following options:
+\begin{itemize}
+\item
+{\tt scaled=1.02} would magnify all Baskervaldx fonts by the factor $1.02$.
+\item {\tt lining} (or {\tt lf}) chooses lining figure style. This is the default.
+\item {\tt osf} (or {\tt oldstyle}) sets the figure style to oldstyle rather than lining for text. (Math mode will in any case use tabular lining figures.)
+\item {\tt tabular} sets the figure alignment to fixed width rather than proportional. This is the default.
+\item {\tt proportional} sets the figure alignment to depend on the figure rather than be fixed width.
+\item {\tt sups} mandates the use of superior figures from \textsf{Baskervaldx} as footnote and endnote markers, replacing \LaTeX's default method. For greater control, use the {\tt superiors} package.
+\item {\tt swash} determines which additional ligatures will be used throughout text in the document. As mentioned above, in both T$1$ and LY$1$ encodings (the only ones supported), the following are always used:
+\begin{itemize}
+\item
+\verb|f_f| (ff) replaces f{}f.
+\item
+\verb|f_i| (fi) replaces f{}i.
+\item
+\verb|f_l| (fl) replaces f{}l.
+\item
+\verb|f_f_i| (ffi) replaces f{}f{}i.
+\item
+\verb|f_f_l| (ffl) replaces f{}f{}l.
+\item
+\verb|f_j| (fj) replaces f{}j.
+\item
+\verb|f_f_j| (ffj) replaces f{}f{}j.
+\end{itemize}
+The option {\tt swash} adds the following, depending on the encoding:\\
+\textbf{T\textlf{1} encoding:}
+\begin{itemize}
+\item
+\verb|c_t| ({\usefont{LY1}{Baskervaldx-LF}{m}{nw} ct}) replaces c{}t.
+\end{itemize}
+\textbf{LY\textlf{1} encoding:}
+\begin{itemize}
+\item
+\verb|c_t| ({\usefont{LY1}{Baskervaldx-LF}{m}{nw} ct}) replaces c{}t.
+\item
+\verb|s_p| ({\usefont{LY1}{Baskervaldx-LF}{m}{nw} sp}) replaces s{}p.
+\item
+\verb|s_t| ({\usefont{LY1}{Baskervaldx-LF}{m}{nw} st}) replaces s{}t.
+\end{itemize}
+\end{itemize}
+Macros defined by the package:
+\begin{itemize}
+\item
+Figure styles may be set locally by the macros \verb|\textlf|, \verb|\texttlf|, \verb|\textosf|, \verb|\texttosf| and \verb|\textsu|, whose meaning are:
+\begin{itemize}
+\item
+\verb|\textlf| (lining, proportional)
+\item \verb|\texttlf| (lining, tabular)
+\item \verb|\textosf| (osf, proportional)
+\item \verb|\texttosf| (osf, tabular)
+\item \verb|\textsu| (superior)
+\end{itemize}
+For example, though this document uses the options {\tt osf, tabular}, \verb|\textlf{123}| uses proportional lining figures for its argument---\textlf{123}, and \verb|\textsu{123}| sets its argument in superior figures---\textsu{123}.
+\item \verb|\textcircled| draws a circle around a small cap rendition of its argument, which should be exactly one unaccented character. In order to function correctly, you must load \verb|textcomp| prior to loading {\tt Baskervaldx}, with invocation
+\begin{verbatim}
+\usepackage[full]{textcomp} % even though it is not "full"
+\end{verbatim}
+For example, \verb|\textcircled{A}| yields \textcircled{A}.
+\item \verb|\swshape| switches on italic shape with all possible ligatures activated. (This depends of course on the encoding chosen.) For example, in both T\textlf{1} and LY\textlf{1},
+\begin{verbatim}
+{\swshape Act effectively\/}
+\end{verbatim}
+ produces {\swshape Act effectively\/}.
+\end{itemize}
+\section{Accompanying math package}
+I had intended to make a new option {\tt baskervaldx} for {\tt newtxmath} which drew on {\tt Baskervaldx} for its math italic letters, but that will take quite some time to complete. Meanwhile, I find ordinary {\tt newtxmath} works quite well, as in:
+\begin{verbatim}
+\usepackage[osf]{Baskervaldx} % tosf in text, tlf in math
+\usepackage[bigdelims,vvarbb]{newtxmath} % math italic letters from Times
+\usepackage[cal=boondoxo]{mathalfa} % mathcal from STIX, unslanted a bit
+\end{verbatim}
+Here's an example to show both source and typeset text with this combination.
+\begin{verbatim}
+\textbf{Simplest form of the \textit{Central Limit Theorem}:} \textit{Let
+$X_1$, $X_2,\cdots$ be a sequence of iid random variables with mean $0$
+and variance $1$ on a probability space $(\Omega,\mathcal{F},\mathbb{P})$. Then}
+\[\mathbb{P}\left(\frac{X_1+\cdots+X_n}{\sqrt{n}}\le y\right) \to\mathfrak{N}(y)
+\coloneq\int_{-\infty}^y \frac{\mathrm{e}^{-t^2/2}}{\sqrt{2\uppi}}\,
+\mathrm{d}t\quad\mbox{as $n\to\infty$,}\]
+\textit{or, equivalently, letting} $S_n\coloneq\sum_1^n X_k$,
+\[\mathbb{E} f\left(S_n/\sqrt{n}\right)\to \int_{-\infty}^\infty f(t)
+\frac{\mathrm{e}^{-t^2/2}}{\sqrt{2\uppi}}\, \mathrm{d}t
+\quad\mbox{as $n\to\infty$, for every $f\in\mathrm{b}
+\mathcal{C}(\mathbb{R})$.}\]
+\end{verbatim}
+
+\textbf{Simplest form of the \textit{Central Limit Theorem}:} \textit{Let
+$X_1$, $X_2,\cdots$ be a sequence of iid random variables with mean $0$
+and variance $1$ on a probability space $(\Omega,\mathcal{F},\mathbb{P})$. Then}
+\[\mathbb{P}\left(\frac{X_1+\cdots+X_n}{\sqrt{n}}\le y\right)\to\mathfrak{N}(y)\coloneq
+\int_{-\infty}^y \frac{\mathrm{e}^{-t^2/2}}{\sqrt{2\uppi}}\,
+\mathrm{d}t\quad\mbox{as $n\to\infty$,}\]
+\textit{or, equivalently, letting} $S_n\coloneq\sum_1^n X_k$,
+\[\mathbb{E} f\left(S_n/\sqrt{n}\right)\to \int_{-\infty}^\infty f(t)
+\frac{\mathrm{e}^{-t^2/2}}{\sqrt{2\uppi}}\,\mathrm{d}t
+\quad\mbox{as $n\to\infty$, for every $f\in\mathrm{b}
+\mathcal{C}(\mathbb{R})$.}\]
+
+\end{document} \ No newline at end of file