Add test script for doxygen warnings
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 53c5e37..7ee3cc8 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -400,6 +400,12 @@
 cleanup
 tests/scripts/check-names.sh
 
+if which doxygen >/dev/null; then
+    msg "test: doxygen warnings" # ~ 3s
+    cleanup
+    tests/scripts/doxygen.sh
+fi
+
 
 
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