"Constructs a filename in the form
@file{@var{original_filename}-@var{staff_instrument_name}.notes} if the
staff has an instrument name. If the staff has no instrument
-name, it uses "unnamed-staff" for that part of the filename."
+name, it uses \"unnamed-staff\" for that part of the filename."
(let* ((inst-name (ly:context-property context 'instrumentName)))
(string-concatenate (list
(substring (object->string (command-line))