diff --git a/make-includes/standard_rules.make b/make-includes/standard_rules.make
index 73eaaa0..8d2cf43 100755
--- a/make-includes/standard_rules.make
+++ b/make-includes/standard_rules.make
@@ -92,6 +92,15 @@
 %.pdf %-print.pdf: %.plo
 	ploticus -eps -tightcrop -o stdout $< | shiftbbox | epstopdf --filter --outfile=$(IMGDIR)/$@
 #
+# PDF from R.
+# This assumes that the first argument to the R script is the output filename
+# for the resultant PDF.
+#
+%.pdf %-print.pdf: %.R
+	R --slave --file=$< --args "$(IMGDIR)/$@"
+	pdfcrop $(IMGDIR)/$@
+	-mv $(IMGDIR)/$*-crop.pdf $(IMGDIR)/$@
+#
 # PDF from PS
 #
 %.pdf %-print.pdf: %.ps
@@ -108,9 +117,9 @@
 # because it crops slightly too closely.
 #
 %.pdf %-print.pdf: %.svg
-	inkscape --file=$< --without-gui --export-pdf=$(IMGDIR)/$*-tmp.pdf
-	pdfcrop $(IMGDIR)/$*-tmp.pdf $(IMGDIR)/$@
-	-rm -f $(IMGDIR)/$*-tmp.pdf
+	inkscape --file=$< --without-gui --export-pdf=$(IMGDIR)/$@
+	pdfcrop $(IMGDIR)/$@
+	-mv $(IMGDIR)/$*-crop.pdf $(IMGDIR)/$@
 #
 # PNG from SVG (via Inkscape)
 # This is weird: --export-pdf writes the output image exactly where you tell