document when version sanitising can fail

1 files changed, 3 insertions, 0 deletions

diff --git a/dh_elpa.in b/dh_elpa.in
index 67cd9d8..d260e48 100755
--- a/dh_elpa.in
+++ b/dh_elpa.in
@@ -337,3 +337,6 @@ these is just to prepend the following to your rules file:
 
 =back
 
+Note that this will fail in certain cases where the Debian upstream
+version cannot be translated into an adequate Emacs version string.
+See the documentation for the `dhelpa-sanitise-version' function.