--- libmailbox.tex.orig	2006-11-12 12:40:06.000000000 +0000
+++ libmailbox.tex	2006-11-12 12:40:24.000000000 +0000
@@ -384,8 +384,8 @@
 
 \begin{methoddesc}{lock}{}
 \methodline{unlock}{}
-Three locking mechanisms are used---dot locking and, if available, the
-\cfunction{flock()} and \cfunction{lockf()} system calls.
+Two locking mechanisms are used---dot locking and, if available, the
+\cfunction{fcntl()} system call.
 \end{methoddesc}
 
 \begin{seealso}
@@ -480,8 +480,8 @@
 
 \begin{methoddesc}{lock}{}
 \methodline{unlock}{}
-Three locking mechanisms are used---dot locking and, if available, the
-\cfunction{flock()} and \cfunction{lockf()} system calls. For MH mailboxes,
+Two locking mechanisms are used---dot locking and, if available, the
+\cfunction{fcntl()} system call. For MH mailboxes,
 locking the mailbox means locking the \file{.mh_sequences} file and, only for
 the duration of any operations that affect them, locking individual message
 files.
@@ -562,8 +562,8 @@
 
 \begin{methoddesc}{lock}{}
 \methodline{unlock}{}
-Three locking mechanisms are used---dot locking and, if available, the
-\cfunction{flock()} and \cfunction{lockf()} system calls.
+Two locking mechanisms are used---dot locking and, if available, the
+\cfunction{fcntl()} system call.
 \end{methoddesc}
 
 \begin{seealso}
@@ -605,8 +605,8 @@
 
 \begin{methoddesc}{lock}{}
 \methodline{unlock}{}
-Three locking mechanisms are used---dot locking and, if available, the
-\cfunction{flock()} and \cfunction{lockf()} system calls.
+Two locking mechanisms are used---dot locking and, if available, the
+\cfunction{fcntl()} system call.
 \end{methoddesc}
 
 \begin{seealso}