diff --git a/TODO b/TODO
index 28d50ad1..7cd3f5f9 100644
--- a/TODO
+++ b/TODO
@@ -8,6 +8,7 @@ http://linux.die.net/man/4/vcsa
 http://man.cx/vcsa(4)/de
 http://manpages.org/display-vcsa/7
 https://en.wikipedia.org/wiki/Virtual_console
+every second byte is a attribute others are text. fast way: c[::2],c[1::2]
 
 - implement command structure (next_[line,word,char], prev_[line,word,char], and others
 - implement braille