1 files changed, 2 insertions, 0 deletions
diff --git a/MANIFEST b/MANIFEST
index efb717d9..1758a78d 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -52,6 +52,8 @@ the groff source distribution.
   misc          Data needed for various platforms.
 
 ./contrib       Part of groff, but maintained by other people.
+  chem          A preprocessor (for pic) to produce chemical structure
+                diagrams.
   eqn2graph     Convert equations created with EQN into different
                 graphical formats.
   gdiffmk       An improved implementation of the diffmk command to mark