minor

Makefile

@@ -116,7 +116,7 @@ edit: $(SRCNAMES)
 	then \
 	    $(MAKE) -e -f $(@:.pdf=.makefile); \
 	    $(PDF) $(@:.pdf=.tex) >/dev/null;  \
-  fi
+	fi
 
 	@echo Create $(@:.pdf=.cit) if it does not exist
 	test -s $(@:.pdf=.cit) || echo '' | $(MD5SUM) > $(@:.pdf=.cit)
@@ -174,7 +174,8 @@ pack: $(TEXSRC)
 	for file in submission/*.tex; do perl -i -pe 's/(^|[^\\])%.*/\1%/' $$file; done
 	# remove appendix
 	#for file in submission/*.tex; do sed -i '/\\appendix/,$$c \\\end{document}' $$file ; done
-	cd submission; rm *.aux *.blg *.log *.out; rm -f ../submission.zip; zip -r ../submission.zip *
+	for file in submission/*.tex; do sed -i '/\\\end{document}/q' $$file ; done
+	cd submission; -rm *.aux *.blg *.log *.out; -rm -f ../submission.zip; zip -r ../submission.zip *
 
 .PHONY: up
 up: $(PDFNAMES)