+progress.png: stats.txt progress.gnuplot
+ awk '{print $$1, $$2, $$5, $$8}' < stats.txt > stats.csv
+ gnuplot progress.gnuplot
+ rm stats.csv
+
+# Have to disable --postvalid, when using xref with xrefstyle.
+# See <URL: http://bugs.debian.org/682944 > for the bug report.
+XMLLINTOPTS = --nonet --noout --xinclude --postvalid