*** /tmp/ediffsLfY1u	2020-10-23 16:51:34.788931136 +0200
--- /home/albinus/src/tramp/lisp/tramp-sh.el	2020-10-23 16:46:48.832033338 +0200
***************
*** 2809,2815 ****
  	    (signal 'wrong-type-argument (list #'stringp name)))
  	  (unless (or (null buffer) (bufferp buffer) (stringp buffer))
  	    (signal 'wrong-type-argument (list #'stringp buffer)))
! 	  (unless (consp command)
  	    (signal 'wrong-type-argument (list #'consp command)))
  	  (unless (or (null coding)
  		      (and (symbolp coding) (memq coding coding-system-list))
--- 2809,2815 ----
  	    (signal 'wrong-type-argument (list #'stringp name)))
  	  (unless (or (null buffer) (bufferp buffer) (stringp buffer))
  	    (signal 'wrong-type-argument (list #'stringp buffer)))
! 	  (unless (or (null command) (consp command))
  	    (signal 'wrong-type-argument (list #'consp command)))
  	  (unless (or (null coding)
  		      (and (symbolp coding) (memq coding coding-system-list))