<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\documentclass[a4paper]{article}
\usepackage{polski}
\usepackage{calc} %% potrzebny w konstrukcji: \labelwidth+\labelsep (patrz niÅ¼ej)
\usepackage[utf8]{inputenc}

\newcounter{odonataCnt} %% licznik waÅ¼ek
\newenvironment{Description}{\begin{list}{}{%
 \usecounter{odonataCnt}%
 \renewcommand{\makelabel}[1]%
 {\refstepcounter{odonataCnt}\mbox{\arabic{odonataCnt}.~##1\hfil}}
 \setlength{\labelwidth}{1.4in}
 \setlength{\leftmargin}{\labelwidth+\labelsep}}}{\end{list}}

\begin{document}

\begin{Description}
\item [Anax imperator] gatunek waÅ¼ki rÃ³Å¼noskrzydÅ‚ej z~rodziny Å¼agnicowatych...
\item [Leucorrhinia albifrons] waÅ¼ka nieduÅ¼ej wielkoÅ›ci ...
\item [Orthetrum cancellatum] jeden z~najpospolitszych gatunkÃ³w w Polsce...
\end{Description}

\end{document}
</pre></body></html>