+doc_install :: install-man
+
+%.1 %.5 %.7 %.8 : Documentation/%.pod
+ $(podman) -s $(subst .,,$(suffix $@)) $< $@+ && mv $@+ $@
+
+manuals :=
+manuals += $(m1)
+manuals += $(m5)
+manuals += $(m7)
+manuals += $(m8)
+
+mantxt = $(addprefix Documentation/, $(addsuffix .txt, $(manuals)))
+docs += $(mantxt)
+
+all :: $(mantxt)
+
+Documentation/%.txt : Documentation/%.pod
+ $(podtext) $< $@+ && mv $@+ $@
+
+txt2pre = $(PERL) -I lib ./Documentation/txt2pre <$< >$@+ && \
+ touch -r $< $@+ && mv $@+ $@
+txt := INSTALL README COPYING TODO
+dtxt := design_notes.txt design_www.txt dc-dlvr-spam-flow.txt hosted.txt
+dtxt := $(addprefix Documentation/, $(dtxt)) $(mantxt)
+
+%.html: %.txt
+ TITLE="$(basename $(<F))" $(txt2pre)