PROJECTS: Add TODO for refer

1 files changed, 9 insertions, 0 deletions

diff --git a/PROJECTS b/PROJECTS
index cd811359f..e1af051c4 100644
--- a/PROJECTS
+++ b/PROJECTS
@@ -5,6 +5,15 @@ Here are some things that would be useful additions to groff:
   	preprocessor, see contrib/gideal; it will still take a long
   	time to finish.
 
+  refer: `refer' database directory under /usr/local/share.
+  	 There maybe create a default database `Ind' or others for
+  	 storing books and documents for `groff' man pages.
+	 Write the following `groff' programs from Heirloom and
+  	 `refer' history:
+	 - addbib
+	 - roffbib
+	 - sortbib
+
   -mv macros (for typesetting viewgraphs and slides)
 
   a deroff that understands long names