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impnattypo

impnattypo

No lone short word as the last line of a paragraph (LuaLaTeX only — the pdfTeX fallback loosens word spacing everywhere).

% Avoid a lone short word (or hyphenated fragment) as the last line of a paragraph.
% LuaTeX only: impnattypo's lastparline feature vetoes the offending line break in
% each affected paragraph. The package's pdfTeX fallback instead stretches
% \parfillskip globally, which loosens interword spacing everywhere -- the reason
% the package was once reverted, see
% https://github.com/latextemplates/lncs-enhanced/issues/16
\ifdefined\directlua
  \usepackage[lastparline]{impnattypo}
\fi