--- /dev/null
+TEXTARGETS := simple.pdf
+
+CMP := cmp -s
+SED := sed
+
+.PHONY: all update rebase clean distclean
+
+$(TEXTARGETS):
+
+all:
+ @$(MAKE) -s simple_1.pdf
+ @$(ECHO) '--------------------'
+ @$(MAKE) -s simple_2.pdf
+
+simple_1.pdf: rebase
+ @$(ECHO) '---------- $@: $^ ----------'
+ @$(MAKE) -s simple.pdf
+ @$(CP) -v simple.pdf $@
+
+simple_2.pdf: update
+ @$(ECHO) '---------- $@: $^ ----------'
+ @$(MAKE) -s simple.pdf
+ @$(CP) -v simple.pdf $@
+
+update:
+ $(SED) -i -e 's/,/、/g' -e 's/./。/g' simple.tex
+
+rebase:
+ $(CMP) simple.tex.base simple.tex || $(CP) -v simple.tex.base simple.tex
+
+include latex.mk
+
+clean: tex-clean
+
+distclean: rebase tex-distclean
+ $(RM) simple_*.pdf