add that line-drawing does not work to README

diff --git a/README b/README
index 83bc7d6..0113f4e 100644 (file)
--- a/README
+++ b/README
@@ -22,6 +22,7 @@
   out how to do those yet.
 - Most commands specific to Xterm or dtterm are recognized, but very few of
   their behaviors are implemented.
+- Alternate charset support (usually needed for line-drawing) isn't done yet.
 - Certain termcap-specific commands aren't implemented yet.  There are enough
   to run ls, vim, less, and probably emacs and mutt, but more need to be
   implemented.