sources for GF RGL tutorial as given in LREC exactly 9 years ago; 'make' now builds html, but some txt macros for LaTeX need to be retargeted for html

doc/rgl-tutorial/Makefile

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+all: lrecslides-html
+
+lrecslides-tex:
+	txt2tags -ttex gf-lrec-2010.txt
+	cat prelude gf-lrec-2010.tex >tmp.tex
+	mv tmp.tex gf-lrec-2010.tex
+	pdflatex gf-lrec-2010.tex
+
+lrecslides-html:
+	txt2tags -thtml gf-lrec-2010.txt

doc/rgl-tutorial/prelude

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+\documentclass[a4paper,landscape]{slides}
+\usepackage[latin1]{inputenc}
+%\usepackage[utf8]{inputenc}
+\newcommand{\nnewslide}[1]{\newpage {\huge \textbf{#1} \\}\\}
+\newcommand{\newslide}[1]{\newpage {\large \textbf{#1} \\}\\}
+\newcommand{\snewslide}[1]{\newpage {\large \textbf{#1} \\}\\}
+\newcommand{\bequ}{\begin{quote}}
+\newcommand{\enqu}{\end{quote}}
+
+\setlength{\topmargin}{-20mm}
+\setlength{\oddsidemargin}{-8mm}
+\setlength{\evensidemargin}{-8mm}
+\setlength{\textwidth}{250mm}
+\setlength{\textheight}{170mm}
+%%%