diff --git a/scsh/treaps/AUTHORS b/scsh/treaps/AUTHORS
index da8fee1..cb739a3 100644
--- a/scsh/treaps/AUTHORS
+++ b/scsh/treaps/AUTHORS
@@ -1 +1,2 @@
-Martin Gasbichler, Oleg Kiselyov
+Copyright (c) 2001 Oleg Kiselyov
+Copyright (c) 2003 Martin Gasbichler
diff --git a/scsh/treaps/NEWS b/scsh/treaps/NEWS
new file mode 100644
index 0000000..58f7916
--- /dev/null
+++ b/scsh/treaps/NEWS
@@ -0,0 +1,5 @@
+version 0.1
+* New package system.
+
+version 0.0 2001-10-26
+* Upstream from Oleg Kiselyov
diff --git a/scsh/treaps/interfaces.scm b/scsh/treaps/load.scm
similarity index 68%
rename from scsh/treaps/interfaces.scm
rename to scsh/treaps/load.scm
index 9e76191..030e108 100644
--- a/scsh/treaps/interfaces.scm
+++ b/scsh/treaps/load.scm
@@ -7,9 +7,16 @@
           treap-delete-min!
           treap-delete-max!
           treap-empty?
-          treap-depth 
+          treap-depth
           treap-clear!
-          treap-put! 
+          treap-put!
           treap-for-each-ascending
           treap-for-each-descending
           treap-debugprint debugprint))
+
+(define-structure treaps treaps-interface
+  (open scheme
+        srfi-9
+        srfi-23
+        srfi-27)
+  (files treap))
diff --git a/scsh/treaps/packages.scm b/scsh/treaps/packages.scm
deleted file mode 100644
index 53d1312..0000000
--- a/scsh/treaps/packages.scm
+++ /dev/null
@@ -1,6 +0,0 @@
-(define-structure treaps treaps-interface
-  (open scheme
-        srfi-9
-        srfi-23
-        srfi-27)
-  (files treap))
diff --git a/scsh/treaps/pkg-def.scm b/scsh/treaps/pkg-def.scm
new file mode 100644
index 0000000..5039ca6
--- /dev/null
+++ b/scsh/treaps/pkg-def.scm
@@ -0,0 +1,8 @@
+(define-package "treaps"
+  (0 1)
+  ()
+  (install-file "load.scm" 'base)
+  (install-file "README" 'doc)
+  (install-file "NEWS" 'doc)
+  (install-string (COPYING) "COPYING" 'doc)
+  (install-file "treap.scm" 'scheme))