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authorKarl Berry <karl@freefriends.org>2019-06-21 21:14:38 +0000
committerKarl Berry <karl@freefriends.org>2019-06-21 21:14:38 +0000
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treed0fb999e46a6892ffe003060dce611d42746c030 /Master/texmf-dist/doc/fonts/lato/lato.tex
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-%% lato.tex
-%% Copyright 2017 Mohamed El Morabity
-%
-% This work may be distributed and/or modified under the conditions of the LaTeX
-% Project Public License, either version 1.3 of this license or (at your option)
-% any later version. The latest version of this license is in
-% http://www.latex-project.org/lppl.txt and version 1.3 or later is part of all
-% distributions of LaTeX version 2005/12/01 or later.
-%
-% This work has the LPPL maintenance status `maintained'.
-%
-% The Current Maintainer of this work is Mohamed El Morabity
-%
-% This work consists of all files listed in manifest.txt.
-
-
-\documentclass{ltxdoc}
-
-\usepackage[american]{babel}
-\usepackage{booktabs}
-\usepackage[T1]{fontenc}
-\usepackage{hologo}
-\usepackage[scale=1.12808,mono]{inconsolata}
-\usepackage[default,type1]{lato}
-\usepackage{microtype}
-\usepackage{path}
-\usepackage{varioref}
-\usepackage[colorlinks]{hyperref}
-
-\hypersetup{%
- pdftitle={LaTeX support for Lato},%
- pdfauthor={Mohamed El Morabity}%
-}%
-
-\newcommand{\version}{3.0}
-
-\newcommand{\acronym}[1]{\mbox{\liningfigures{#1}}}
-\newcommand{\code}{\texttt}
-\newcommand{\command}{\texttt}
-\newcommand{\option}{\texttt}
-\newcommand{\email}[1]{\href{mailto:#1}{\nolinkurl{#1}}}
-\newcommand{\name}{}
-\newcommand{\pkg}{\texttt}
-\newcommand{\parameter}[1]{\textnormal{\textit{#1}}}
-\newcommand{\program}{}
-
-\newcommand{\figuresampleone}{+142\,521\,458.11~\texteuro}
-\newcommand{\figuresampletwo}{\textminus 21\,173.91~\$}
-
-\title{\LaTeX{} support for Lato\\Version~\version}
-
-\author{Mohamed \name{El~Morabity}\\\email{melmorabity@fedoraproject.org}}
-
-\begin{document}
-
-\maketitle
-
-\tableofcontents
-
-\section{Introduction}
-
-Lato is a sans-serif typeface family designed in the Summer~2010 by
-Warsaw-based designer \L ukasz \name{Dziedzic}~\cite{dziedzic} for the
-tyPoland foundry.
-
-Lato consists of nine weights (plus corresponding italics) and
-supports more than 100~Latin-based languages, more than
-50~Cyrillic-based languages as well as Greek and IPA phonetics.
-
-The font is available at its web site~\cite{lato} as
-\acronym{TTF}-flavored OpenType files licensed under the \acronym{OFL}
-version~1.1~\cite{ofl}.
-
-This package provides support for this font in \LaTeX, including
-\hologo{XeLaTeX} and \hologo{LuaLaTeX}. It includes the original
-OpenType fonts, as well as Type~1 versions, converted for this package
-using \program{FontForge}~\cite{fontforge} and
-\program{cfftot1}~\cite{cfftot1} for full support with \LaTeX{} and
-\program{Dvips}.
-
-\section{Installation}
-
-These directions assume that your \TeX{} distribution is
-\acronym{TDS}-compliant.
-
-Once the \path|lato.zip| archive extracted:
-\begin{enumerate}
-\item Copy \path|doc/|, \path|fonts/|, and \path|tex/| directories to
- your \path|texmf/| directory (either your local or global
- \path|texmf/| directory).
-\item Run \command{mktexlsr} to refresh the file name database and
- make \TeX{} aware of the new files.
-\item Run \command{updmap --enable Map lato.map}\footnote{Starting
- with \TeX Live~2017, use \command{updmap-user} for a local
- installation, or \command{updmap-sys} for a global one.} to make
- \program{Dvips}, \program{dvipdf} and \program{\TeX} aware of the
- new fonts.
-\end{enumerate}
-
-Note that this package requires the following packages to work:
-\begin{itemize}
-\item \pkg{fontaxes}
-\item \pkg{fontspec} (for \hologo{XeLaTeX}/\hologo{LuaLaTeX} support)
-\item \pkg{ifluatex}
-\item \pkg{ifxetex}
-\item \pkg{xkeyval}
-\end{itemize}
-
-\section{Usage}
-
-\subsection{Calling Lato}
-
-You can use the Lato font in a \LaTeX{} document by adding the command
-\begin{verbatim}
-\usepackage{lato}
-\end{verbatim}
-to the preamble. The package supplies the \cmd{\lato} command to
-switch the current font to Lato.
-
-\subsection{Options}
-
-\subsubsection{Lato as default (sans-serif) font}
-
-You can set \LaTeX{} to use Lato as standard font throughout the whole
-document by passing the \option{default} option to the package:
-\begin{verbatim}
-\usepackage[default]{lato}
-\end{verbatim}
-To set Lato as default sans-serif only, use the \option{defaultsans}
-option:
-\begin{verbatim}
-\usepackage[defaultsans]{lato}
-\end{verbatim}
-
-\subsubsection{OpenType vs. Type~1}
-
-Depending on the \LaTeX{} rendering engine used, the package will
-automatically use:
-\begin{itemize}
-\item OpenType fonts with \program{\hologo{XeLaTeX}} and
- \program{\hologo{LuaLaTeX}} (the \pkg{fontspec} package will be
- therefore loaded)
-\item Type~1 fonts with all other \LaTeX{} rendering engines
- (especially \program{\hologo{pdfLaTeX}})
-\end{itemize}
-
-The package was written to provide same functionalities whatever the
-\TeX{} rendering engine used. Notice that OpenType fonts supply more
-typographic features like additional ligatures or stylistic
-alternatives. The table~\vref{tab:features} describes all OpenType
-features supported by the Lato font family. Please refer to the
-\pkg{fontspec} package documentation~\cite{fontspecdoc} to enable such
-features in your documents with \hologo{XeLaTeX} or \hologo{LuaLaTeX}.
-
-\begin{table}
- \centering
- \begin{tabular}{ccc}
- \toprule
- Feature & Description & \pkg{fontspec} option\\
- \midrule
- \code{calt} & Contextual Alternates & \code{Contextuals=Alternate}\\
- \code{case} & Case-Sensitive Forms & \code{Letters=Uppercase}\\
- \code{dlig} & Discretionary Ligatures & \code{Ligatures=Rare}\\
- \code{dnom} & Denominators & \code{VerticalPosition=Denominator}\\
- \code{frac} & Fractions & \code{Fractions=On}\\
- \code{kern} & Kerning & \code{Kerning=On}\\
- \code{liga} & Standard Ligatures & \code{Ligatures=Common}\\
- \code{lnum} & Lining Figures & \code{Numbers=Uppercase}\\
- \code{mark} & Mark Positioning & \code{Diacritics=MarkToBase}\\
- \code{numr} & Numerators & \code{VerticalPosition=Numerator}\\
- \code{onum} & Oldstyle Figures & \code{Numbers=Lowercase}\\
- \code{ordn} & Ordinals & \code{VerticalPosition=Ordinal}\\
- \code{pnum} & Proportional Figures & \code{Numbers=Proportional}\\
- \code{salt} & Stylistic Alternates & \code{Style=Alternate}\\
- \code{sinf} & Scientific Inferiors & \code{VerticalPosition=ScientificInferior}\\
- \code{ss01} & Stylistic Set 1 & \code{Alternate=1}\\
- \code{ss02} & Stylistic Set 2 & \code{Alternate=2}\\
- \code{ss03} & Stylistic Set 3 & \code{Alternate=3}\\
- \code{ss04} & Stylistic Set 4 & \code{Alternate=4}\\
- \code{subs} & Subscript & \code{VerticalPosition=Inferior}\\
- \code{sups} & Superscript & \code{VerticalPosition=Superior}\\
- \code{tnum} & Tabular Figures & \code{Numbers=Monospaced}\\
- \bottomrule
- \end{tabular}
- \caption{OpenType font features supported by Lato fonts}
- \label{tab:features}
-\end{table}
-
-To force Type~1 fonts with \program{\hologo{XeLaTeX}} or
-\program{\hologo{LuaLaTeX}}, use the \option{type1} option. This may
-be useful to avoid loading the \pkg{fontspec} package.
-
-\subsubsection{Font scaling}
-
-The font can be up- and downscale by any factor. This can be used to
-make Lato more friendly when used in company with other type faces,
-e.g., to adapt the x-height. The package option
-\option{scale=\parameter{ratio}} will scale the font according to
-\parameter{ratio} (1.0 by default), for example:
-\begin{verbatim}
-\usepackage[scale=0.95]{lato}
-\end{verbatim}
-
-\subsubsection{Figure versions}
-
-Lato provides two figure styles (see table~\vref{tab:figures}):
-
-\begin{itemize}
- \item \emph{Lining figures}, designed to match the uppercase letters
- in size and color
- \item \emph{Old style figures} (also known as text figures),
- designed to match lowercase letters
-\end{itemize}
-
-The \pkg{lato} package uses lining figures by default
-(\option{lining} option). To select old style figures, use the
-\option{oldstyle} option.
-
-Two figure widths are also available:
-\begin{itemize}
- \item \emph{Tabular figures}, which each have the same width
- \item \emph{Proportional figures}, which vary in width according to
- their shape
-\end{itemize}
-
-The \pkg{lato} package uses tabular figures by default
-(\option{tabular} option). To select proportional figures, use the
-\option{proportional} option.
-
-\begin{table}
- \centering
- \begin{tabular}{crr}
- \toprule
- & \multicolumn{1}{c}{Lining figures} & \multicolumn{1}{c}{Old style figures}\\
- \midrule
- Tabular figures& \lato\tabularfigures{\liningfigures{\figuresampleone}} & \lato\tabularfigures{\textfigures{\figuresampleone}}\\
- & \lato\tabularfigures{\liningfigures{\figuresampletwo}} & \lato\tabularfigures{\textfigures{\figuresampletwo}}\\
- \midrule
- Proportional figures& \lato\proportionalfigures{\liningfigures{\figuresampleone}} & \lato\proportionalfigures{\textfigures{\figuresampleone}}\\
- & \lato\proportionalfigures{\liningfigures{\figuresampletwo}} & \lato\proportionalfigures{\textfigures{\figuresampletwo}}\\
- \bottomrule
- \end{tabular}
- \caption{Figure styles}
- \label{tab:figures}
-\end{table}
-
-Notice that some characters, like math operators in text mode and
-currency units, will adapt to the select figure width and style
-combination.
-
-The package also supports and loads the
-\pkg{fontaxes}~\cite{fontaxes} package. This package supplies
-macros to individually select figure style and width
-locally~\cite{fontaxesdoc}.
-
-\subsubsection{Encodings}
-
-The following \LaTeX{} encodings are supported:
-\begin{description}
-\item[Latin] \acronym{OT1}, \acronym{T1}, \acronym{TS1} (partial)
-\item[Cyrillic] \acronym{T2A}, \acronym{T2B}, \acronym{T2C}, \acronym{X2}
-\item[Greek] \acronym{LGR} (monotonic and polytonic)
-\end{description}
-To use one or another encoding, give the \LaTeX{} name to the
-\pkg{fontenc} package as usual, as in
-\begin{verbatim}
-\usepackage[T1]{fontenc}
-\usepackage{lato}
-\end{verbatim}
-
-As usual with \acronym{OT1} encoded fonts, kerning with accented
-characters is treated poorly, if at all. Note difference in kerning
-between these two encoding in table~\vref{tab:kerning}. It is
-therefore advised to always use the Lato font family in any encoding
-than \acronym{OT1} when typing diacritics.
-
-\begin{table}
- \centering
- \begin{tabular}{ll}
- \toprule
- OT1-encoded & {\lato\fontencoding{OT1}\selectfont To Ta T\'e}\\
- \midrule
- T1-encoded & {\lato\fontencoding{T1}\selectfont To Ta T\'e}\\
- \bottomrule
- \end{tabular}
- \caption{Kerning with OT1 and T1 encodings}
- \label{tab:kerning}
-\end{table}
-
-\subsection{Available weights, shapes and variants}
-
-Table~\vref{tab:fonts} lists the available font series and shapes with
-their \acronym{NFSS} classification. Parenthesized combinations are
-provided via substitutions.
-
-\begin{table}
- \centering
- \begin{tabular}{cccc}
- \toprule
- Font & Series & Shape & OpenType font file\\
- \midrule
- {\lato\fontseries{ul}\selectfont Lato Hairline} & \code{ul} & \code{n} & \path|Lato-Hairline.ttf|\\
- {\lato\fontseries{ul}\selectfont\itshape Lato Hairline Italic} & \code{ul} & \code{it} (\code{sl}) & \path|Lato-HairlineItalic.ttf|\\
- {\lato\fontseries{el}\selectfont Lato Thin} & \code{el} & \code{n} & \path|Lato-Thin.ttf|\\
- {\lato\fontseries{el}\selectfont\itshape Lato Light Thin} & \code{el} & \code{it} (\code{sl}) & \path|Lato-ThinItalic.ttf|\\
- {\lato\fontseries{l}\selectfont Lato Light} & \code{l} & \code{n} & \path|Lato-Light.ttf|\\
- {\lato\fontseries{l}\selectfont\itshape Lato Light Italic} & \code{l} & \code{it} (\code{sl}) & \path|Lato-LightItalic.ttf|\\
- {\lato\mdseries Lato Regular} & \code{m} & \code{n} & \path|Lato-Regular.ttf|\\
- {\lato\mdseries\itshape Lato Italic} & \code{m} & \code{it} (\code{sl}) & \path|Lato-Italic.ttf|\\
- {\lato\fontseries{mb}\selectfont Lato Medium} & \code{mb} & \code{n} & \path|Lato-Medium.ttf|\\
- {\lato\fontseries{mb}\selectfont\itshape Lato Medium Italic} & \code{mb} & \code{it} (\code{sl}) & \path|Lato-MediumItalic.ttf|\\
- {\lato\fontseries{sb}\selectfont Lato Semibold} & \code{sb} & \code{n} & \path|Lato-Semibold.ttf|\\
- {\lato\fontseries{sb}\selectfont\itshape Lato Semibold Italic} & \code{sb} & \code{it} (\code{sl}) & \path|Lato-SemiboldItalic.ttf|\\
- {\lato\bfseries Lato Bold} & \code{b} (\code{bx}) & \code{n} & \path|Lato-Bold.ttf|\\
- {\lato\bfseries\itshape Lato Bold Italic} & \code{b} (\code{bx}) & \code{it} (\code{sl}) & \path|Lato-BoldItalic.ttf|\\
- {\lato\fontseries{eb}\selectfont Lato Heavy} & \code{eb} & \code{n} & \path|Lato-Heavy.ttf|\\
- {\lato\fontseries{eb}\selectfont\itshape Lato Heavy Italic} & \code{eb} & \code{it} (\code{sl}) & \path|Lato-HeavyItalic.ttf|\\
- {\lato\fontseries{ub}\selectfont Lato Black} & \code{ub} & \code{n} & \path|Lato-Black.ttf|\\
- {\lato\fontseries{ub}\selectfont\itshape Lato Black Italic} & \code{ub} & \code{it} (\code{sl}) & \path|Lato-BlackItalic.ttf|\\
- \bottomrule
- \end{tabular}
- \caption{Available font styles}
- \label{tab:fonts}
-\end{table}
-
-In addition, each font variant combination (figure width/figure style)
-corresponds to a \acronym{NFSS} family (see
-table~\vref{tab:families}).
-
-\begin{table}
- \centering
- \begin{tabular}{ccc}
- \toprule
- & Lining figures & Old style figures\\
- \midrule
- Tabular figures & \code{lato-TLF} & \code{lato-TOsF}\\
- \midrule
- Proportional figures & \code{lato-LF} & \code{lato-OsF}\\
- \bottomrule
- \end{tabular}
- \caption{Available \acronym{NFSS} families}
- \label{tab:families}
-\end{table}
-
-Samples of the font are available in the
-\href{run:lato-samples.pdf}{\path|lato-samples.pdf|} file.
-
-\subsection{Math support}
-
-The \pkg{lato} package doesn't provide math support. However the
-\pkg{mdsymbol} package~\cite{mdsymbol} provides mathematical symbol
-fonts which fit very well with Lato. In addition, the
-\pkg{mathspec}~\cite{mathspec} package (for \hologo{XeLaTeX} or
-\hologo{LuaLaTeX} engines) or the
-\pkg{mathastext}~\cite{mathastext}\footnote{In particular with the
- \code{LGR} option to get Greek letters from the Lato fonts} package
-(for other \LaTeX{} engines) can be called to use Lato as math font.
-
-\section{Known bugs and improvements}
-
-Please send bug reports and suggestions about the Lato \LaTeX{}
-support to \href{mailto:melmorabity@fedoraproject.org}{Mohamed
- \name{El~Morabity}}.
-
-\subsection{Compatibility with previous versions}
-
-\subsubsection{Legacy \code{fla} family}
-
-Previous versions of the package used to provide \code{fla} as default
-\acronym{NFSS} family for Lato, and the corresponding \cmd{\flafamily}
-switch command. Such family and macro are still available in newer
-package versions. In particular, the \code{fla} family is now an alias
-for the \code{lato-TLF} one.
-
-\subsubsection{Smallcaps}
-
-Since the Lato font family doesn't provide yet ``real'' smallcaps,
-faked ones were supplied by previous versions of the \pkg{lato}
-package (by scaling down uppercase letters), with a very poor
-result. Furthermore, there's no convenient way to generate fake
-smallcaps with \hologo{XeTeX} or \hologo{LuaTeX} engines and native
-OpenType fonts.
-
-For these reasons, faked small caps are no longer provided, starting
-with version~3.0 of the \pkg{lato} package. Anyway \LaTeX{} should
-automatically substitute missing smallcap shapes by normal ones.
-
-\section{License}
-
-This package is released under the \LaTeX{} project public license,
-either version~1.3c or above~\cite{lppl}. Anyway both OpenType and
-Type~1 files are delivered under the Open Font License
-version~1.1~\cite{ofl}.
-
-\begin{thebibliography}{9}
-\bibitem{dziedzic} \url{http://www.lukaszdziedzic.eu/}
-\bibitem{lato} \url{http://www.latofonts.com/}
-\bibitem{ofl} \url{http://scripts.sil.org/OFL_web}
-\bibitem{fontforge} \url{https://fontforge.github.io/}
-\bibitem{cfftot1} \url{https://www.lcdf.org/type/cfftot1.1.html}
-\bibitem{fontspecdoc} \url{https://mirrors.ctan.org/macros/xetex/latex/fontspec/fontspec.pdf}
-\bibitem{fontaxes} \url{https://www.ctan.org/pkg/fontaxes}
-\bibitem{fontaxesdoc} \url{http://mirrors.ctan.org/macros/latex/contrib/fontaxes/fontaxes.pdf}
-\bibitem{mdsymbol} \url{https://www.ctan.org/pkg/mdsymbol}
-\bibitem{mathspec} \url{https://www.ctan.org/pkg/mathspec}
-\bibitem{mathastext} \url{https://www.ctan.org/pkg/mathastext}
-\bibitem{lppl} \url{http://www.latex-project.org/lppl/lppl-1-3c.html}
-\end{thebibliography}
-
-\end{document}