diff --git a/genex/DESC b/genex/DESC
new file mode 100644
index 0000000..be445fb
--- /dev/null
+++ b/genex/DESC
@@ -0,0 +1,8 @@
+wm9707scft/v: This is a comment.
+  Continuation of the same line.
+
+  Here we have a line break,
+  and so on
+wm9707scft/v: Another comment
+  for the same component.
+WM9707SCFT/V: Component names in comments are case-insensitive.
diff --git a/genex/run b/genex/run
index 46dfe9d..68a3042 100755
--- a/genex/run
+++ b/genex/run
@@ -3,6 +3,6 @@
 # isn't. Some voodoo is still missing ...
 PATH=$PATH:. ./genex \
     -L /home/qi/kicad-libs/components  \
-    /home/qi/kicad-libs/components/EXPAND >out.ps
+    /home/qi/kicad-libs/components/EXPAND DESC >out.ps
 ps2pdf out.ps out.pdf
 rm -f out.ps