-# Optimize our SVG, and remove its XML prologue so that it can be
-# included directly into the HTML document.
-day.svg: src/day.svg
+# Optimize our SVG once using XSL, to catch a few things
+# that "scour" misses.
+tableau.min.svg: tableau.svg svgclean.xsl
+ @XSLTPROC@ svgclean.xsl $< > $@
+
+# Optimize our SVG again, and remove its XML prologue so that it can
+# be included directly into the HTML document.
+tableau.min.min.svg: tableau.min.svg