Index: makefile
==================================================================
--- makefile
+++ makefile
@@ -18,30 +18,29 @@
 
 # ~~~ Rules ~~
 #
 
 # The order of these dependencies is important. They will be processed left to right.
-web: _article_htmls.mark $(articles-html) $(series-html) 
+web: vitreous.sqlite $(articles-html) $(series-html) 
 web: index.html blog-pg1.html keyword-index.html web-extra/martin.css
 web: ## Rebuild all web content (not PDFs)
 
-# The file article_htmls.mark is a zero-byte file that serves only as a marker. If it is older than
-# any of its dependencies (or missing) all of the articles will be rebuilt. Its dependencies are
-# also on the Pollen cache watchlist (see pollen.rkt)
-_article_htmls.mark: $(core-files) $(html-deps) template.html.p
+# The file vitreous.sqlite is a cache of the rendered HTML and metadata. If it is older than any of
+# its dependencies (or missing) all of the articles will be rebuilt. Its dependencies are also on
+# the Pollen cache watchlist (see pollen.rkt)
+vitreous.sqlite: $(core-files) $(html-deps) template.html.p
 	raco pollen setup -p articles/
 	raco pollen render -p -t html articles/*.poly.pm
 	raco pollen setup -p series/
 	raco pollen render -p -t html series/*.poly.pm
 	rm -f template.html series/template.html
 	# tidy -quiet -modify -indent --wrap 100 --wrap-attributes no --tidy-mark no articles/*.html || true
 	# tidy -quiet -modify -indent --wrap 100 --wrap-attributes no --tidy-mark no series/*.html || true
-	touch _article_htmls.mark
 
-# If the rule for article_htmls.mark was triggered, all the article HTML files will already have
-# been re-rendered.  (That rule comes before this one in the list of dependencies for "all") But if
-# not, any individual files that have been edited will get re-rendered.
+# If the rule for vitreous.sqlite was triggered, all the article HTML files will already have been
+# re-rendered.  (That rule comes before this one in the list of dependencies for "all") But if not,
+# any individual files that have been edited will get re-rendered.
 $(articles-html): %.html: %.poly.pm 
 	raco pollen render $@
 	# tidy -quiet -modify -indent --wrap 100 --wrap-attributes no --tidy-mark no $@ || true
 
 # Note that if any article is part of a series, it will touch its series .poly.pm file during its
@@ -64,13 +63,13 @@
 	# tidy -quiet -modify -indent --wrap 100 --wrap-attributes no --tidy-mark no $@ || true
 
 web-extra/martin.css: web-extra/martin.css.pp
 	raco pollen render $@
 
-spritz: ## Clear Pollen and Scribble cache, and remove all HTML output
+zap: ## Clear Pollen and Scribble cache, and remove all HTML output
 	raco pollen reset
-	rm -f *.html articles/*.html series/*.html _article_htmls.mark
+	rm -f *.html articles/*.html series/*.html vitreous.sqlite 
 
 publish: check-env
 publish: ## Sync all HTML and PDF stuff to the public web server (does not rebuild any files)
 	raco pollen publish
 	./util/relativize ~/Desktop/publish/
@@ -86,11 +85,10 @@
 		--exclude='*.fossil' \
 		--exclude=.fossil-settings \
 		--exclude=.fslckout \
 		--exclude='*.ltx' \
 		--exclude='*.swp' \
-		--exclude='*.mark' \
 		--exclude=.DS_Store \
 	    --exclude='template*.*' \
 		--exclude=makefile 
 	rm -rf ~/Desktop/publish
 
@@ -109,11 +107,11 @@
 	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-15s\033[0m %s\n", $$1, $$2}'
 
 article: ## Start a new article from a template
 	racket -tm util/newpost.rkt
 
-.PHONY: all scribble help spritz article publish check-env
+.PHONY: all scribble help zap article publish check-env
 
 .DEFAULT_GOAL := help
 
 check-env:
 ifndef LOCALYARN_SRV