DIRED E of a directory via TCP

[David Vinayak Wallace <Gumby@MIT-MC>]

In Symbolics 3600 Zwei in Release 6.0, IP-TCP 29.0, AISite 9.0,
microcode TMC5-MIC 319, on Lisp Machine Jimi Hendrix:

I was DIRED'ing my directory on su-csli via TCP.  I typed "E" on a line
containing a directory.  It read the directory as a file.