Added entries about memory leaks, sane_init return values, and

HP-UX problems in isfdtype.c.
Henning Meier-Geinitz <henning@meier-geinitz.de>

TODO

@@ -1,4 +1,4 @@
-TODO (2001-05-11)
+TODO (2001-05-13)
 
 ******** todo ********
 
@@ -111,6 +111,11 @@ backends
 
   * as6e: change :new status to :alpha, :beta, or :stable.
 
+  * as6e: attach: memory (dev + dev-sane.name) isn't freed if diver isn't
+    found.
+
+  * avision: line 1393: word isn't freed sometimes (maybe if  cp == line?)
+
   * add a contact address for each backend (in backend.desc).
 
   * lines like "if (config_line[len - 1] == '\n')" can cause segfaults and
@@ -131,6 +136,8 @@ doc
   * Documentation for sanei API
     - any ideas for this?
 
+  * sane.tex: Define the return values for sane_init?
+ 
 frontends
 ---------
   * dll: Rewrite to use libtool ltdl library
@@ -194,6 +201,9 @@ misc
   * Check Tru64 Unix compilation problems with u_int* types. They are already
     defined in sys/bitypes.h but this file isn't checked with AC_CHECK_TYPE.
 
+  * Fix HP-UX problems in isfdtype.c (and maybe others). sys/stat.h doesn't
+    seem to define stuct stat.
+
   * Add installation procedure for translations of SANE backend's options.
 
 ******** done ********