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+\documentclass{beamer}
+
+\usepackage[T1]{fontenc}
+\usepackage{lmodern}
+\usepackage[czech]{babel}
+\usepackage[utf8x]{inputenc}
+%\usepackage[pdfauthor={Frantovo.cz}, bookmarks=true,unicode,colorlinks=true,linkcolor=black,urlcolor=blue,citecolor=blue]{hyperref}
+
+%\usepackage{ucs}
+%\usepackage[czech]{babel}       % aby tam nebylo "chapter 1" ale "kapitola 1" a další věci
+%\usepackage[utf8x]{inputenc}    % abychom mohli psát v UTF-8
+\PrerenderUnicode{ěščřžýáíéůúóťď–→„“}
+
+\usepackage{palatino}
+\usepackage{graphicx}
+
+\mode<presentation> {
+  \usetheme{Warsaw}
+  \setbeamercovered{transparent}
+}
+
+\bibliographystyle{apacite}
+
+
+\title{OHP3D: OpenGL PDF viewer}
+\author{Ing.~František~Kučera}
+\institute{Frantovo.cz / GlobalCode.info}
+\date{28.~12.~2023}
+
+%-------------------------------------------------------------------------------------------------------------------------
+\begin{document}
+
+\begin{frame}
+  \titlepage
+\end{frame}
+%-------------------------------------------------------------------------------------------------------------------------
+
+
+
+%-------------------------------------------------------------------------------------------------------------------------
+\section{What is OHP3D}
+\begin{frame}
+	\frametitle{What is OHP3D}
+	\begin{itemize}
+	 \item OpenGL PDF viewer
+	 \item for X11 and GNU/Linux
+	 \item keyboard and mouse control
+	 \item filters: GLSL shaders
+	\end{itemize}
+\end{frame}
+%-------------------------------------------------------------------------------------------------------------------------
+
+
+%-------------------------------------------------------------------------------------------------------------------------
+\section{Current status}
+\begin{frame}
+	\frametitle{Current status}
+	\begin{itemize}
+	 \item first public version
+	 \item based on ShaderShark and previous private prototype
+	 \item still bit raw, lots of missing features
+	 \item but displays PDF and applies shaders
+	\end{itemize}
+\end{frame}
+%-------------------------------------------------------------------------------------------------------------------------
+
+
+%-------------------------------------------------------------------------------------------------------------------------
+\begin{frame}
+	\frametitle{Contact and support}
+	\begin{itemize}
+	 \item
+		Author: Ing. František Kučera \\
+		\url{https://blog.frantovo.cz/} \\
+		\url{https://office.globalcode.info/}
+	\end{itemize}
+\end{frame}
+%-------------------------------------------------------------------------------------------------------------------------
+
+\end{document}