Update TODO

doc/TODO

@@ -17,6 +17,13 @@ Before 0.1
   have flags etc.
 - Implement some optional stuff from http://greenbytes.de/tech/tc2231/
   (especially filename with Content-Disposition: inline)
+- Icon
+- Check return values of Qt functions
+
+- Document in hacking:
+  Qt types vs. python types (exceptions for QProcess, QThread, ...)
+  qt_ensure_valid and qt_check_overflow
+  check return values
 
 New big features
 ================
@@ -41,6 +48,11 @@ New big features
 Improvements / minor features
 =============================
 
+- Ask whether to close when downloads are running or maybe if form fields are
+  unsubmitted (book page 187)
+- Add a policy regarding Qt vs. Python classes to HACKING
+- Save window state/geometry as plaintext (book page 186)
+- Update window title
 - Completion in statusbar like dwb
 - SSL-symbol in statusbar?
 - Commandline argument to delete config