diff --git a/Makefile b/Makefile
index 95113b0..8297a8e 100644
--- a/Makefile
+++ b/Makefile
@@ -33,6 +33,7 @@ default += .dbs/map.fmt
 	echo '*' > $@.gitignore
 
 include cmd.mk
+include pub.mk
 
 .dbs/head.rec: | .dbs/
 	printf '%s\n' '%rec: guide' > $@
@@ -100,7 +101,7 @@ map: .dbs/requires.rec .dbs/map.fmt ## Show knowledge dependency map
 
 .PHONY: clean
 clean: ## Remove all generated files
-	$(RM) -r $(default) .dbs/
+	$(RM) -r $(default) .dbs/ .publish/
 
 .PHONY: article
 article: */ */*/ ## Write a new article
diff --git a/cmd.mk b/cmd.mk
index 2c96221..bbc2e37 100644
--- a/cmd.mk
+++ b/cmd.mk
@@ -1,23 +1,4 @@
 
-cmds != recsel command.rec -t command -G bin -CP bin | sort -u
-lists = $(patsubst %,lists/%.md, $(cmds))
-
-get_title = printf 'title: %s\n' '${1}'
-get_tags = recsel -t $(basename $<) $< -G bin \
-	-e 'bin = "$(1)"' -U -CP tag,bin | \
-	sed 's/.*/- &/'
-
-list_commands = recsel -t $(basename $<) $< -e 'bin = "$(1)"' | \
-	recfmt -f lists.fmt
-
-$(lists): lists/%.md: command.rec | lists/
-	@printf '%s\n' '---' > $@
-	@$(call get_title,$(basename $(notdir $@))) >> $@
-	@printf '%s\n' 'tags: ' >> $@
-	@$(call get_tags,$(basename $(notdir $@))) >> $@
-	@printf '%s\n' '---' >> $@
-	@$(call list_commands,$(basename $(notdir $@))) >> $@
-
 .PHONY: function
 function: ## Output a search function for .bashrc
 	${MAKE} --silent --touch query
diff --git a/pub.mk b/pub.mk
new file mode 100644
index 0000000..23171de
--- /dev/null
+++ b/pub.mk
@@ -0,0 +1,42 @@
+
+markdown = $(wildcard */*.md */*/*.md)
+
+publish = $(patsubst %, .publish/%, $(markdown))
+
+.dbs/requires.fmt: | .dbs/
+	echo "- [{{requires_title}}]({{requires_path}})" > $@
+
+$(publish): .publish/%.md: %.md | .dbs/notes.rec .dbs/requires.fmt
+	mkdir -p $(@D)
+	sed -n '1,/^---$$/p' $< > $@
+	test "$$(recsel -t guide -j requires .dbs/notes.rec -e "path = '$<'" -c)" -lt 1 \
+	|| { printf '\n---\n%s\n\n' "**Requirements**" >> $@ \
+	&& recsel -t guide -j requires .dbs/notes.rec -e "path = '$<'" -p requires_title,requires_path | recfmt -f .dbs/requires.fmt >> $@ \
+	&& printf '\n%s\n\n' '---' >> $@ ;}
+	sed '1,/---/d' $< >> $@
+
+cmds != recsel command.rec -t command -G bin -CP bin | sort -u
+lists = $(patsubst %,.publish/lists/%.md, $(cmds))
+
+get_title = printf 'title: %s\n' '${1}'
+get_tags = recsel -t $(basename $<) $< -G bin \
+	-e 'bin = "$(1)"' -U -CP tag,bin | \
+	sed 's/.*/- &/'
+
+list_commands = recsel -t $(basename $<) $< -e 'bin = "$(1)"' | \
+	recfmt -f lists.fmt
+
+.publish/lists/:| .publish/
+
+$(lists): .publish/lists/%.md: command.rec | .publish/lists/
+	@printf '%s\n' '---' > $@
+	@$(call get_title,$(basename $(notdir $@))) >> $@
+	@printf '%s\n' 'tags: ' >> $@
+	@$(call get_tags,$(basename $(notdir $@))) >> $@
+	@printf '%s\n' '---' >> $@
+	@$(call list_commands,$(basename $(notdir $@))) >> $@
+
+
+.PHONY: publish
+publish: $(lists) $(publish) ## Web publishable web pages
+