+.TP \w'refilezzzzfolderz'u
+.B cd directory
+use the directory when interpreting attachment file names
+.TP \w'refilezzzzfolderz'u
+.B pwd
+print the working directory for attachment files
+.TP \w'refilezzzzfolderz'u
+.B ls [ls-options]
+list files in the attachment working directory using the ls command
+.TP \w'refilezzzzfolderz'u
+.B attach [-v] files
+add the named files to the message as MIME attachments; -v displays
+the mhbuild directive that
+.IR send (1)
+will use
+.TP \w'refilezzzzfolderz'u
+.B alist [-ln]
+list the MIME attachments, either short, long [-l] or numbered [-n]
+.TP \w'refilezzzzfolderz'u
+.B detach [-n] files-or-numbers
+remove MIME attachments, either by file name or by number with -n