Tmux borders are drawn with dashed lines; how can I change them to continuous lines?

Question

I\'m using Mac OS X Lion, Terminal.app and Tmux version 1.6. I get a dashed line as a window border instead of a continuous line that I get when I ssh into a Debian virtual mach

Answer 1

I had a similar problem using iTerm on mac to log into a redhat. Suddenly the vertical lines did not show and the horizontal ones were dashed.

I fixed the problem by unchecking "Treat ambiguous-width characters as double width" in iTerm->Preferences->Profiles->Text