--- fract/TODO	2001/02/26 03:19:58	1.1
+++ fract/TODO	2001/02/26 13:29:33	1.2
@@ -1,3 +1,9 @@
+-*- mode: text; mode: outline-minor -*-
+
+* Bugs
+
+** Filling mirrored rectangles
+
 When filling the mirrored version of a rectangle, it's filled in even
 if it's completely outside the screen.  The current algorithm just
 moves all the corners inside the screen and then fills the rectangle
@@ -5,3 +11,13 @@
 begin with, we should be getting a line on the edge of the screen, or
 something.  I don't know why we don't see any such things, but this
 needs to be rethought.
+
+* Features
+
+** Increase precision
+
+Use mpz module; *Note GNU arbitrary magnitude
+integers:(python-lib)mpz.
+
+Artifacts from lack of precision can be reproduced by this:
+<URL:<URL:http://tower.fukt.bth.se:4711/fract/mandelzoom.cgi?zoom=1.0&width=240&height=240&iter=270&diag=3.27364250552e-14&cx=-1.76661906489&cy=0.0419255735794&owidth=480&oheight=480&type=html>