Add note about deprecated layouts.

diff --git a/lib/layouts/TODO.txt b/lib/layouts/TODO.txt
new file mode 100644 (file)
index 0000000..691698e
--- /dev/null
+++ b/lib/layouts/TODO.txt
@@ -0,0 +1,9 @@
+These layouts are ripe to be moved into some form of attic once we decide how
+to handle old documents using such layouts.
+
+The reason for deprecation is that the relevant cls files have not been
+available for several years (see kluwer related thread from 06 Dec 2022).
+
+iopart.layout
+kluwer.layout
+svjog.layout