-! urxvt behaves identically to xterm-color and a lot more programs know about
-! xterm-color, so we fake it
+
+! This option sets the TERM environment variable:
+! TERM=rxvt-unicode won't work because systems don't have a terminfo file for
+! TERM=xterm because different systems have inconsistent terminfo files for it
+! (differing ideas about what xterm sends as backspace)
+! TERM=xterm-color works well with the few key fixes below