Oops; missed the 60-delicious.conf file.
This file fixes Delicious Heavy fonts to have the correct weight value.
diff --git a/conf.d/60-delicious.conf b/conf.d/60-delicious.conf
new file mode 100644
index 0000000..701429b
--- /dev/null
+++ b/conf.d/60-delicious.conf
@@ -0,0 +1,20 @@
+<?xml version="1.0"?>
+<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
+<!-- /etc/fonts/conf.d/60-delicious.conf -->
+<fontconfig>
+<!-- Fix-ups for Delicious family -->
+
+<!-- Delicious 'heavy' variant says its Medium weight -->
+<match target="scan">
+ <test name="family">
+ <string>Delicious</string>
+ </test>
+ <test name="style">
+ <string>Heavy</string>
+ </test>
+ <edit name="weight">
+ <const>heavy</const>
+ </edit>
+</match>
+
+</fontconfig>
