+################################################################################
+
+## Inform users about upgrade path for grml's old zshrc layout, assuming that:
+## /etc/skel/.zshrc was installed as ~/.zshrc,
+## /etc/zsh/zshrc was installed as ~/.zshrc.global and
+## ~/.zshrc.local does not exist yet.
+if [ -r ~/.zshrc -a -r ~/.zshrc.global -a ! -r ~/.zshrc.local ] ; then
+ printf '-!-\n'
+ printf '-!- Looks like you are using the old zshrc layout of grml.\n'
+ printf '-!- Please read the notes in the grml-zsh-refcard, being'
+ printf '-!- available at: http://grml.org/zsh/\n'
+ printf '-!-\n'
+ printf '-!- If you just want to get rid of this warning message execute:\n'
+ printf '-!- touch ~/.zshrc.local\n'
+ printf '-!-\n'
+fi