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% lua-widow-control
% https://github.com/gucci-on-fleek/lua-widow-control
% SPDX-License-Identifier: MPL-2.0+
% SPDX-FileCopyrightText: 2021 gucci-on-fleek
\NeedsTeXFormat{LaTeX2e}[2015/01/01] % Formats built after 2015 include \LuaTeX{}Base
\ProvidesPackage{lua-widow-control}%
[2021/10/09 v1.0.0] %%version %%date
\setlength{\clubpenalty}{1}
\setlength{\widowpenalty}{1}
\setlength{\displaywidowpenalty}{0}
\setlength{\interlinepenalty}{0}
\setlength{\brokenpenalty}{0}
% We can't use \\newlength since that makes a \TeX{} "skip", not a "dimen"
\newdimen\lwcemergencystretch
\setlength{\lwcemergencystretch}{3em}
\directlua{require "lua-widow-control"}
% Here, we enable font expansion/contraction. It isn't strictly necessary for
% \lwc/'s functionality; however, it is required for the
% lengthened paragraphs to not have terrible spacing.
\RequirePackage[final]{microtype}
\newcommand{\lwcenable}{\directlua{lwc.enable_callbacks()}}
\newcommand{\lwcdisable}{\directlua{lwc.disable_callbacks()}}
% Enable \lwc/ by default when the package is loaded.
\lwcenable
\endinput
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