This is a minimal example condensed from an HTML-encoded e-mail found in the wild. To use:
For other examples using mutt, see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=655589.
You can convince yourself that this is a screen bug by repeating these steps in an xterm without screen.
Left-to-right marks: abcdefg
Right-to-left marks: abcdefg