Added public files
Roughly added all public files. Probably missed some, though.
diff --git a/doc/obsolete/extract b/doc/obsolete/extract
new file mode 100644
index 0000000..de40e00
--- /dev/null
+++ b/doc/obsolete/extract
@@ -0,0 +1,26 @@
+
+ **********************************************************
+ * ACHTUNG: EFUN EXISTIERT NICHT MEHR! NICHT VERWENDEN! *
+ **********************************************************
+
+SYNOPSIS
+ string extract(string str, int from, int to)
+ string extract(string str, int from)
+
+DESCRIPTION
+ DO NOT USE THIS EFUN ANYMORE! IT HAS BEEN REMOVED FROM THE DRIVER.
+
+ Extract a substring from a string.
+ This is the old notation for str[from..to] and supported
+ only for hysterical raisins.
+
+ In LDMud this efun is temporarily a simulated efun until is finally
+ droppped.
+
+HISTORY
+ Removed in LDMud 3.3.
+
+SEE ALSO
+ [](E)
+
+11.11.2006 Zesstra