Deprecate libreoffice handouts

Makefile

@@ -1,4 +1,4 @@
-HANDOUTS = $(patsubst %.odt,%.pdf,$(wildcard revealjs/*/handout.odt))
+HANDOUTS = $(patsubst %.tex,%.pdf,$(wildcard revealjs/*/handout.tex))
 REVEALJS = $(patsubst %.md,%.html,$(wildcard revealjs/*/index.md))
 LATEX = $(patsubst %.tex,%.pdf,$(wildcard latex/*/index.tex))
 
@@ -7,29 +7,28 @@ all: ${HANDOUTS} ${REVEALJS} ${LATEX}
 .PHONY: clean
 clean:
 	rm -f \
+		*/*/*.aux \
+		*/*/*.bbl \
+		*/*/*.bcf \
+		*/*/*.blg \
+		*/*/*.fdb_latexmk \
+		*/*/*.fls \
+		*/*/*.log \
+		*/*/*.nav \
+		*/*/*.out \
+		*/*/*.run.xml \
+		*/*/*.snm \
+		*/*/*.toc \
+		*/*/*.xdv \
 		*/*/handout.pdf \
-		latex/*/index.aux \
-		latex/*/index.bbl \
-		latex/*/index.bcf \
-		latex/*/index.blg \
-		latex/*/index.fdb_latexmk \
-		latex/*/index.fls \
-		latex/*/index.log \
-		latex/*/index.nav \
-		latex/*/index.out \
-		latex/*/index.pdf \
-		latex/*/index.run.xml \
-		latex/*/index.snm \
-		latex/*/index.toc \
-		latex/*/index.xdv \
-		revealjs/*/index.html \
-		revealjs/*/index.pdf
+		*/*/index.pdf \
+		revealjs/*/index.html
 
 revealjs/%/index.html: revealjs/%/*.md
 	python3 revealjs/build.py $@
 
-%/handout.pdf: %/handout.odt
-	libreoffice --headless --convert-to pdf "$<" --outdir $(@D)
+%/handout.pdf: %/handout.tex
+	latexmk -cd -xelatex $<
 
 latex/%/index.pdf: latex/%/index.tex
 	latexmk -cd -xelatex $<

index.html

@@ -11,12 +11,12 @@
     <h1>Präsentationen</h1>
     <table>
       <tr><td>✓</td><td><a href="revealjs/snowden/">Snowden</a></td></tr>
-      <tr><td>✓</td><td><a href="revealjs/snowden/handout.pdf">Snowden (handout)</a></td></tr>
+      <tr><td>✓</td><td><a href="revealjs/snowden/handout.legacy.odt">Snowden (handout, ODT)</a></td></tr>
       <tr><td>✓</td><td><a href="revealjs/alternative_energy/">Alternative Energie</a></td></tr>
-      <tr><td>✓</td><td><a href="revealjs/alternative_energy/handout.pdf">Alternative Energie (handout)</a></td></tr>
+      <tr><td>✓</td><td><a href="revealjs/alternative_energy/handout.legacy.odt">Alternative Energie (handout, ODT)</a></td></tr>
       <tr><td>✓</td><td><a href="revealjs/passwords/">Passwörter</a></td></tr>
       <tr><td>✓</td><td><a href="revealjs/machtergreifung/">„Machtergreifung“: Von der Präsidialdiktatur zum Führerstaat</a></td></tr>
-      <tr><td>✓</td><td><a href="revealjs/machtergreifung/handout.pdf">„Machtergreifung“: Von der Präsidialdiktatur zum Führerstaat (handout)</a></td></tr>
+      <tr><td>✓</td><td><a href="revealjs/machtergreifung/handout.legacy.odt">„Machtergreifung“: Von der Präsidialdiktatur zum Führerstaat (handout, ODT)</a></td></tr>
       <tr><td>✓</td><td><a href="revealjs/information-technology/">information technology</a></td></tr>
       <tr><td>✓</td><td><a href="revealjs/laser/">Laser in optischen Laufwerken</a></td></tr>
       <tr><td>✓</td><td><a href="revealjs/suchmaschine/">Suchmaschine</a></td></tr>