-@code{pop3-movemail} will be used. If the
-@code{pop3-leave-mail-on-server} is non-@code{nil} the mail is to be
-left on the @acronym{POP} server after fetching when using
-@code{pop3-movemail}. Note that POP servers maintain no state
-information between sessions, so what the client believes is there and
-what is actually there may not match up. If they do not, then the whole
-thing can fall apart and leave you with a corrupt mailbox.
+@code{pop3-movemail} will be used. If @code{pop3-leave-mail-on-server}
+is non-@code{nil} the mail is to be left on the @acronym{POP} server
+after fetching when using @code{pop3-movemail}. Note that POP servers
+maintain no state information between sessions, so what the client
+believes is there and what is actually there may not match up. If they
+do not, then you may get duplicate mails or the whole thing can fall
+apart and leave you with a corrupt mailbox.