From 4f79a4117afc96aa2c1487fb8024a97c94389af0 Mon Sep 17 00:00:00 2001
From: Alexey Zelkin <phantom@FreeBSD.org>
Date: Thu, 4 May 2000 13:09:25 +0000
Subject: [PATCH] Use `Er' variable to define first column width in ERRORS
 section. It was initially suggested by mdoc(7) style, but was broken over the
 years

---
 lib/libc/sys/accept.2                 | 2 +-
 lib/libc/sys/bind.2                   | 2 +-
 lib/libc/sys/brk.2                    | 2 +-
 lib/libc/sys/chroot.2                 | 2 +-
 lib/libc/sys/clock_gettime.2          | 2 +-
 lib/libc/sys/connect.2                | 2 +-
 lib/libc/sys/execve.2                 | 2 +-
 lib/libc/sys/flock.2                  | 2 +-
 lib/libc/sys/fork.2                   | 2 +-
 lib/libc/sys/getpeername.2            | 2 +-
 lib/libc/sys/getsockname.2            | 2 +-
 lib/libc/sys/getsockopt.2             | 2 +-
 lib/libc/sys/gettimeofday.2           | 2 +-
 lib/libc/sys/ioctl.2                  | 2 +-
 lib/libc/sys/jail.2                   | 2 +-
 lib/libc/sys/kill.2                   | 2 +-
 lib/libc/sys/ktrace.2                 | 4 ++--
 lib/libc/sys/link.2                   | 2 +-
 lib/libc/sys/listen.2                 | 2 +-
 lib/libc/sys/lseek.2                  | 2 +-
 lib/libc/sys/mkdir.2                  | 2 +-
 lib/libc/sys/mkfifo.2                 | 2 +-
 lib/libc/sys/mount.2                  | 2 +-
 lib/libc/sys/nfssvc.2                 | 2 +-
 lib/libc/sys/pipe.2                   | 2 +-
 lib/libc/sys/ptrace.2                 | 2 +-
 lib/libc/sys/quotactl.2               | 2 +-
 lib/libc/sys/readlink.2               | 2 +-
 lib/libc/sys/recv.2                   | 2 +-
 lib/libc/sys/rename.2                 | 2 +-
 lib/libc/sys/rfork.2                  | 2 +-
 lib/libc/sys/rmdir.2                  | 2 +-
 lib/libc/sys/sched_get_priority_max.2 | 2 +-
 lib/libc/sys/sched_setparam.2         | 2 +-
 lib/libc/sys/sched_setscheduler.2     | 2 +-
 lib/libc/sys/sched_yield.2            | 2 +-
 lib/libc/sys/setpgid.2                | 2 +-
 lib/libc/sys/setregid.2               | 2 +-
 lib/libc/sys/setresuid.2              | 2 +-
 lib/libc/sys/setreuid.2               | 2 +-
 lib/libc/sys/shutdown.2               | 2 +-
 lib/libc/sys/sigaltstack.2            | 2 +-
 lib/libc/sys/sigprocmask.2            | 2 +-
 lib/libc/sys/sigreturn.2              | 2 +-
 lib/libc/sys/socket.2                 | 2 +-
 lib/libc/sys/socketpair.2             | 2 +-
 lib/libc/sys/stat.2                   | 2 +-
 lib/libc/sys/statfs.2                 | 2 +-
 lib/libc/sys/swapon.2                 | 2 +-
 lib/libc/sys/symlink.2                | 2 +-
 lib/libc/sys/truncate.2               | 2 +-
 lib/libc/sys/undelete.2               | 2 +-
 lib/libc/sys/unlink.2                 | 2 +-
 53 files changed, 54 insertions(+), 54 deletions(-)

diff --git a/lib/libc/sys/accept.2 b/lib/libc/sys/accept.2
index 9e932e81689..d1e0a60ec2f 100644
--- a/lib/libc/sys/accept.2
+++ b/lib/libc/sys/accept.2
@@ -165,7 +165,7 @@ integer that is a descriptor for the accepted socket.
 The
 .Fn accept
 will fail if:
-.Bl -tag -width EWOULDBLOCK
+.Bl -tag -width Er
 .It Bq Er EBADF
 The descriptor is invalid.
 .It Bq Er EINTR
diff --git a/lib/libc/sys/bind.2 b/lib/libc/sys/bind.2
index 9cb99f7d4fb..2e10134d838 100644
--- a/lib/libc/sys/bind.2
+++ b/lib/libc/sys/bind.2
@@ -95,7 +95,7 @@ further specified in the global
 The
 .Fn bind
 call will fail if:
-.Bl -tag -width EADDRNOTAVA
+.Bl -tag -width Er
 .It Bq Er EAGAIN
 Kernel resources to complete the request are 
 temporarily unavilable.
diff --git a/lib/libc/sys/brk.2 b/lib/libc/sys/brk.2
index c8dd4e1d22a..b77fb02c46f 100644
--- a/lib/libc/sys/brk.2
+++ b/lib/libc/sys/brk.2
@@ -122,7 +122,7 @@ or
 .Fn sbrk
 will fail and no additional memory will be allocated if
 one of the following are true:
-.Bl -tag -width [ENOMEM]
+.Bl -tag -width Er
 .It Bq Er ENOMEM
 The limit, as set by
 .Xr setrlimit 2 ,
diff --git a/lib/libc/sys/chroot.2 b/lib/libc/sys/chroot.2
index 2cdb45e4d25..11a144a339b 100644
--- a/lib/libc/sys/chroot.2
+++ b/lib/libc/sys/chroot.2
@@ -97,7 +97,7 @@ is set to indicate an error.
 .Sh ERRORS
 .Fn Chroot
 will fail and the root directory will be unchanged if:
-.Bl -tag -width [ENOTDIR]
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the path name is not a directory.
 .It Bq Er EPERM
diff --git a/lib/libc/sys/clock_gettime.2 b/lib/libc/sys/clock_gettime.2
index 9ed12003163..e8421592e71 100644
--- a/lib/libc/sys/clock_gettime.2
+++ b/lib/libc/sys/clock_gettime.2
@@ -101,7 +101,7 @@ case an error code is stored into the global variable
 .Sh ERRORS
 The following error codes may be set in
 .Va errno :
-.Bl -tag -width [EFAULT]
+.Bl -tag -width Er
 .It Bq Er EINVAL
 The
 .Fa clock_id
diff --git a/lib/libc/sys/connect.2 b/lib/libc/sys/connect.2
index 373fa0f799d..bb2ab8c8ef9 100644
--- a/lib/libc/sys/connect.2
+++ b/lib/libc/sys/connect.2
@@ -105,7 +105,7 @@ code is stored in
 The
 .Fn connect
 call fails if:
-.Bl -tag -width EADDRNOTAVAILABB
+.Bl -tag -width Er
 .It Bq Er EBADF
 .Fa s
 is not a valid descriptor.
diff --git a/lib/libc/sys/execve.2 b/lib/libc/sys/execve.2
index bfec668ea54..5a7364309a8 100644
--- a/lib/libc/sys/execve.2
+++ b/lib/libc/sys/execve.2
@@ -220,7 +220,7 @@ is set to indicate the error.
 .Sh ERRORS
 .Fn Execve
 will fail and return to the calling process if:
-.Bl -tag -width [ENAMETOOLONG]
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the path prefix is not a directory.
 .It Bq Er ENAMETOOLONG
diff --git a/lib/libc/sys/flock.2 b/lib/libc/sys/flock.2
index d7cdc8ae891..6a0d5095921 100644
--- a/lib/libc/sys/flock.2
+++ b/lib/libc/sys/flock.2
@@ -143,7 +143,7 @@ the global location
 The
 .Fn flock
 call fails if:
-.Bl -tag -width EWOULDBLOCKAA
+.Bl -tag -width Er
 .It Bq Er EWOULDBLOCK
 The file is locked and the
 .Dv LOCK_NB
diff --git a/lib/libc/sys/fork.2 b/lib/libc/sys/fork.2
index 62ce4286e6f..ba948731dd1 100644
--- a/lib/libc/sys/fork.2
+++ b/lib/libc/sys/fork.2
@@ -88,7 +88,7 @@ is set to indicate the error.
 .Sh ERRORS
 .Fn Fork
 will fail and no child process will be created if:
-.Bl -tag -width [EAGAIN]
+.Bl -tag -width Er
 .It Bq Er EAGAIN
 The system-imposed limit on the total
 number of processes under execution would be exceeded.
diff --git a/lib/libc/sys/getpeername.2 b/lib/libc/sys/getpeername.2
index 71a93f9b94d..25e84c3979e 100644
--- a/lib/libc/sys/getpeername.2
+++ b/lib/libc/sys/getpeername.2
@@ -84,7 +84,7 @@ unlocks
 A 0 is returned if the call succeeds, -1 if it fails.
 .Sh ERRORS
 The call succeeds unless:
-.Bl -tag -width ENOTSOCKAA
+.Bl -tag -width Er
 .It Bq Er EBADF
 The argument
 .Fa s
diff --git a/lib/libc/sys/getsockname.2 b/lib/libc/sys/getsockname.2
index e13c5e05cbe..95a5278a9e8 100644
--- a/lib/libc/sys/getsockname.2
+++ b/lib/libc/sys/getsockname.2
@@ -82,7 +82,7 @@ unlocks
 A 0 is returned if the call succeeds, -1 if it fails.
 .Sh ERRORS
 The call succeeds unless:
-.Bl -tag -width ENOTSOCKAA
+.Bl -tag -width Er
 .It Bq Er EBADF
 The argument
 .Fa s
diff --git a/lib/libc/sys/getsockopt.2 b/lib/libc/sys/getsockopt.2
index 206610885b9..446fa6403e9 100644
--- a/lib/libc/sys/getsockopt.2
+++ b/lib/libc/sys/getsockopt.2
@@ -362,7 +362,7 @@ unlocks
 A 0 is returned if the call succeeds, -1 if it fails.
 .Sh ERRORS
 The call succeeds unless:
-.Bl -tag -width ENOPROTOOPTAA
+.Bl -tag -width Er
 .It Bq Er EBADF
 The argument
 .Fa s
diff --git a/lib/libc/sys/gettimeofday.2 b/lib/libc/sys/gettimeofday.2
index f421d1da085..36dfe60251b 100644
--- a/lib/libc/sys/gettimeofday.2
+++ b/lib/libc/sys/gettimeofday.2
@@ -115,7 +115,7 @@ case an error code is stored into the global variable
 .Sh ERRORS
 The following error codes may be set in
 .Va errno :
-.Bl -tag -width [EFAULT]
+.Bl -tag -width Er
 .It Bq Er EFAULT
 An argument address referenced invalid memory.
 .It Bq Er EPERM
diff --git a/lib/libc/sys/ioctl.2 b/lib/libc/sys/ioctl.2
index 758e97e65ef..de7e3ca8046 100644
--- a/lib/libc/sys/ioctl.2
+++ b/lib/libc/sys/ioctl.2
@@ -114,7 +114,7 @@ is set to indicate the error.
 .Sh ERRORS
 .Fn Ioctl
 will fail if:
-.Bl -tag -width [ENOTTY]
+.Bl -tag -width Er
 .It Bq Er EBADF
 .Fa d
 is not a valid descriptor.
diff --git a/lib/libc/sys/jail.2 b/lib/libc/sys/jail.2
index 36d55925930..9b36eb66bb5 100644
--- a/lib/libc/sys/jail.2
+++ b/lib/libc/sys/jail.2
@@ -77,7 +77,7 @@ set for the prison for jailed processes.
 .Sh ERRORS
 .Fn jail
 will fail if:
-.Bl -tag -width EWOULDBLOCK
+.Bl -tag -width Er
 .It Bq Er EINVAL
 The version number of the argument is not correct.
 .El
diff --git a/lib/libc/sys/kill.2 b/lib/libc/sys/kill.2
index d8346dcf1a9..8ce5c71949d 100644
--- a/lib/libc/sys/kill.2
+++ b/lib/libc/sys/kill.2
@@ -110,7 +110,7 @@ is set to indicate the error.
 .Sh ERRORS
 .Fn Kill
 will fail and no signal will be sent if:
-.Bl -tag -width [EINVAL]
+.Bl -tag -width Er
 .It Bq Er EINVAL
 .Fa Sig
 is not a valid signal number.
diff --git a/lib/libc/sys/ktrace.2 b/lib/libc/sys/ktrace.2
index 096a3bdcb7a..7e361349da1 100644
--- a/lib/libc/sys/ktrace.2
+++ b/lib/libc/sys/ktrace.2
@@ -130,7 +130,7 @@ bytes of a
 .Nm ktr_type
 record.
 The type specific records are defined in the
-.Pa <sys/ktrace.h>
+.Aq Pa sys/ktrace.h
 include file.
 .Sh RETURN VALUES
 On successful completion a value of 0 is returned.
@@ -140,7 +140,7 @@ is set to show the error.
 .Sh ERRORS
 .Fn Ktrace
 will fail if:
-.Bl -tag -width ENAMETOOLONGAA
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the path prefix is not a directory.
 .It Bq Er ENAMETOOLONG
diff --git a/lib/libc/sys/link.2 b/lib/libc/sys/link.2
index 53cc8739fd5..34c36dcaad8 100644
--- a/lib/libc/sys/link.2
+++ b/lib/libc/sys/link.2
@@ -87,7 +87,7 @@ is set to indicate the error.
 .Sh ERRORS
 .Fn Link
 will fail and no link will be created if:
-.Bl -tag -width Ar
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of either path prefix is not a directory.
 .It Bq Er ENAMETOOLONG
diff --git a/lib/libc/sys/listen.2 b/lib/libc/sys/listen.2
index 168069315df..4ea40bdf1d4 100644
--- a/lib/libc/sys/listen.2
+++ b/lib/libc/sys/listen.2
@@ -112,7 +112,7 @@ A 0 return value indicates success; -1 indicates an error.
 .Sh ERRORS
 .Fn Listen 
 will fail if:
-.Bl -tag -width [EOPNOTSUPP]
+.Bl -tag -width Er
 .It Bq Er EBADF
 The argument
 .Fa s
diff --git a/lib/libc/sys/lseek.2 b/lib/libc/sys/lseek.2
index ab67c565f2e..5ca26cbb135 100644
--- a/lib/libc/sys/lseek.2
+++ b/lib/libc/sys/lseek.2
@@ -114,7 +114,7 @@ the error.
 .Sh ERRORS
 .Fn Lseek
 will fail and the file position pointer will remain unchanged if:
-.Bl -tag -width [EINVAL]
+.Bl -tag -width Er
 .It Bq Er EBADF
 .Em Fildes
 is not an open file descriptor.
diff --git a/lib/libc/sys/mkdir.2 b/lib/libc/sys/mkdir.2
index b45cb620e2c..861480f0d15 100644
--- a/lib/libc/sys/mkdir.2
+++ b/lib/libc/sys/mkdir.2
@@ -64,7 +64,7 @@ indicates an error, and an error code is stored in
 .Sh ERRORS
 .Fn Mkdir
 will fail and no directory will be created if:
-.Bl -tag -width ENAMETOOLO
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the path prefix is not a directory.
 .It Bq Er ENAMETOOLONG
diff --git a/lib/libc/sys/mkfifo.2 b/lib/libc/sys/mkfifo.2
index 4ecf4eb87b0..bf0e84d308b 100644
--- a/lib/libc/sys/mkfifo.2
+++ b/lib/libc/sys/mkfifo.2
@@ -66,7 +66,7 @@ indicates an error, and an error code is stored in
 .Sh ERRORS
 .Fn Mkfifo
 will fail and no fifo will be created if:
-.Bl -tag -width ENAMETOOLO
+.Bl -tag -width Er
 .It Bq Er ENOTSUPP
 The kernel has not been configured to support fifo's.
 .It Bq Er ENOTDIR
diff --git a/lib/libc/sys/mount.2 b/lib/libc/sys/mount.2
index 22641636440..5685646e67b 100644
--- a/lib/libc/sys/mount.2
+++ b/lib/libc/sys/mount.2
@@ -186,7 +186,7 @@ is set to indicate the error.
 The
 .Fn mount
 function will fail when one of the following occurs:
-.Bl -tag -width [ENOTBLK]
+.Bl -tag -width Er
 .It Bq Er EPERM
 The caller is not the super-user.
 .It Bq Er ENAMETOOLONG
diff --git a/lib/libc/sys/nfssvc.2 b/lib/libc/sys/nfssvc.2
index ddf219f7009..17f4a9974a5 100644
--- a/lib/libc/sys/nfssvc.2
+++ b/lib/libc/sys/nfssvc.2
@@ -221,7 +221,7 @@ Otherwise, -1 is returned and the global variable
 .Va errno
 is set to specify the error.
 .Sh ERRORS
-.Bl -tag -width [ENEEDAUTH]
+.Bl -tag -width Er
 .It Bq Er ENEEDAUTH
 This special error value
 is really used for authentication support, particularly Kerberos,
diff --git a/lib/libc/sys/pipe.2 b/lib/libc/sys/pipe.2
index 2ddc2d53d8c..e63f6cff9be 100644
--- a/lib/libc/sys/pipe.2
+++ b/lib/libc/sys/pipe.2
@@ -98,7 +98,7 @@ error.
 The
 .Fn pipe
 call will fail if:
-.Bl -tag -width [EMFILE]
+.Bl -tag -width Er
 .It Bq Er EMFILE
 Too many descriptors are active.
 .It Bq Er ENFILE
diff --git a/lib/libc/sys/ptrace.2 b/lib/libc/sys/ptrace.2
index 55b884d7399..96c41c1258a 100644
--- a/lib/libc/sys/ptrace.2
+++ b/lib/libc/sys/ptrace.2
@@ -234,7 +234,7 @@ can be set to 0 before the call and checked afterwards.
 The
 .Fn ptrace
 function may fail if:
-.Bl -tag -width 4n
+.Bl -tag -width Er
 .It Bq Er ESRCH
 .Bl -bullet -compact
 .It
diff --git a/lib/libc/sys/quotactl.2 b/lib/libc/sys/quotactl.2
index a605850f422..75de692e70e 100644
--- a/lib/libc/sys/quotactl.2
+++ b/lib/libc/sys/quotactl.2
@@ -159,7 +159,7 @@ indicates the reason for the failure.
 A
 .Fn quotactl
 call will fail if:
-.Bl -tag -width ENAMETOOLONGAA
+.Bl -tag -width Er
 .It Bq Er EOPNOTSUPP
 The kernel has not been compiled with the
 .Dv QUOTA
diff --git a/lib/libc/sys/readlink.2 b/lib/libc/sys/readlink.2
index e7b2a27d243..160686d4941 100644
--- a/lib/libc/sys/readlink.2
+++ b/lib/libc/sys/readlink.2
@@ -66,7 +66,7 @@ code in the global variable
 .Sh ERRORS
 .Fn Readlink
 will fail if:
-.Bl -tag -width ENAMETOOLONG
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the path prefix is not a directory.
 .It Bq Er ENAMETOOLONG
diff --git a/lib/libc/sys/recv.2 b/lib/libc/sys/recv.2
index 29d4c4a10d7..e504929fbb1 100644
--- a/lib/libc/sys/recv.2
+++ b/lib/libc/sys/recv.2
@@ -256,7 +256,7 @@ These calls return the number of bytes received, or -1
 if an error occurred.
 .Sh ERRORS
 The calls fail if:
-.Bl -tag -width ENOTCONNAA
+.Bl -tag -width Er
 .It Bq Er EBADF
 The argument
 .Fa s
diff --git a/lib/libc/sys/rename.2 b/lib/libc/sys/rename.2
index df1899145b0..8a94b4d7805 100644
--- a/lib/libc/sys/rename.2
+++ b/lib/libc/sys/rename.2
@@ -107,7 +107,7 @@ indicates the reason for the failure.
 .Fn Rename
 will fail and neither of the argument files will be
 affected if:
-.Bl -tag -width ENAMETOOLONG
+.Bl -tag -width Er
 .It Bq Er ENAMETOOLONG
 A component of either pathname exceeded 255 characters,
 or the entire length of either path name exceeded 1023 characters.
diff --git a/lib/libc/sys/rfork.2 b/lib/libc/sys/rfork.2
index 852d2977f07..520b8139e17 100644
--- a/lib/libc/sys/rfork.2
+++ b/lib/libc/sys/rfork.2
@@ -106,7 +106,7 @@ is set to indicate the error.
 .Sh ERRORS
 .Fn Rfork
 will fail and no child process will be created if:
-.Bl -tag -width [EAGAIN]
+.Bl -tag -width Er
 .It Bq Er EAGAIN
 The system-imposed limit on the total
 number of processes under execution would be exceeded.
diff --git a/lib/libc/sys/rmdir.2 b/lib/libc/sys/rmdir.2
index d044e438b4b..a8b94fbf2d5 100644
--- a/lib/libc/sys/rmdir.2
+++ b/lib/libc/sys/rmdir.2
@@ -60,7 +60,7 @@ returned and an error code is stored in the global location
 .Va errno .
 .Sh ERRORS
 The named file is removed unless:
-.Bl -tag -width [ENAMETOOLONG]
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the path is not a directory.
 .It Bq Er ENAMETOOLONG
diff --git a/lib/libc/sys/sched_get_priority_max.2 b/lib/libc/sys/sched_get_priority_max.2
index 5f3094adda6..e98fa38d42b 100644
--- a/lib/libc/sys/sched_get_priority_max.2
+++ b/lib/libc/sys/sched_get_priority_max.2
@@ -95,7 +95,7 @@ to indicate the error.
 On failure
 .Va errno
 will be set to the corresponding value:
-.Bl -tag -width [EFAULT]
+.Bl -tag -width Er
 .It Bq Er EINVAL
 The value of the
 .Fa policy
diff --git a/lib/libc/sys/sched_setparam.2 b/lib/libc/sys/sched_setparam.2
index 732cd953bc0..879a2505ba6 100644
--- a/lib/libc/sys/sched_setparam.2
+++ b/lib/libc/sys/sched_setparam.2
@@ -142,7 +142,7 @@ to indicate the error.
 On failure
 .Va errno
 will be set to the corresponding value:
-.Bl -tag -width [EFAULT]
+.Bl -tag -width Er
 .It Bq Er ENOSYS
 The system is not configured to support this functionality.
 .It Bq Er EPERM
diff --git a/lib/libc/sys/sched_setscheduler.2 b/lib/libc/sys/sched_setscheduler.2
index 1ee37e08916..9610c01eb49 100644
--- a/lib/libc/sys/sched_setscheduler.2
+++ b/lib/libc/sys/sched_setscheduler.2
@@ -137,7 +137,7 @@ to indicate the error.
 On failure
 .Va errno
 will be set to the corresponding value:
-.Bl -tag -width [EFAULT]
+.Bl -tag -width Er
 .It Bq Er ENOSYS
 The system is not configured to support this functionality.
 .It Bq Er EPERM
diff --git a/lib/libc/sys/sched_yield.2 b/lib/libc/sys/sched_yield.2
index 5adf7ad5251..4f3fc4e07f7 100644
--- a/lib/libc/sys/sched_yield.2
+++ b/lib/libc/sys/sched_yield.2
@@ -51,7 +51,7 @@ to indicate the error.
 On failure
 .Va errno
 will be set to the corresponding value:
-.Bl -tag -width [EFAULT]
+.Bl -tag -width Er
 .It Bq Er ENOSYS
 The system is not configured to support this functionality.
 .Sh STANDARDS
diff --git a/lib/libc/sys/setpgid.2 b/lib/libc/sys/setpgid.2
index 24526deb2ef..5b387575768 100644
--- a/lib/libc/sys/setpgid.2
+++ b/lib/libc/sys/setpgid.2
@@ -69,7 +69,7 @@ indicates the reason.
 .Sh ERRORS
 .Fn Setpgid
 will fail and the process group will not be altered if:
-.Bl -tag -width indent
+.Bl -tag -width Er
 .It Bq Er ESRCH
 The requested process does not exist.
 .It Bq Er EPERM
diff --git a/lib/libc/sys/setregid.2 b/lib/libc/sys/setregid.2
index 1a4e5677591..9fcb1d1a233 100644
--- a/lib/libc/sys/setregid.2
+++ b/lib/libc/sys/setregid.2
@@ -76,7 +76,7 @@ a value of -1 is returned and
 .Va errno
 is set to indicate the error.
 .Sh ERRORS
-.Bl -tag -width [EPERM]
+.Bl -tag -width Er
 .It Bq Er EPERM
 The current process is not the super-user and a change
 other than changing the effective group-id to the real group-id
diff --git a/lib/libc/sys/setresuid.2 b/lib/libc/sys/setresuid.2
index f592dc954a9..8ae21174ce7 100644
--- a/lib/libc/sys/setresuid.2
+++ b/lib/libc/sys/setresuid.2
@@ -58,7 +58,7 @@ and the global variable
 .Va errno
 is set to indicate the error.
 .Sh ERRORS
-.Bl -tag -width indent
+.Bl -tag -width Er
 .It Er EPERM
 The calling process was not privileged
 and tried to change one or more IDs to a value
diff --git a/lib/libc/sys/setreuid.2 b/lib/libc/sys/setreuid.2
index b7e933d1e57..e2309257dc0 100644
--- a/lib/libc/sys/setreuid.2
+++ b/lib/libc/sys/setreuid.2
@@ -75,7 +75,7 @@ a value of -1 is returned and
 .Va errno
 is set to indicate the error.
 .Sh ERRORS
-.Bl -tag -width [EPERM]
+.Bl -tag -width Er
 .It Bq Er EPERM
 The current process is not the super-user and a change
 other than changing the effective user-id to the real user-id
diff --git a/lib/libc/sys/shutdown.2 b/lib/libc/sys/shutdown.2
index 51db758bc62..ce83401a1df 100644
--- a/lib/libc/sys/shutdown.2
+++ b/lib/libc/sys/shutdown.2
@@ -71,7 +71,7 @@ further sends and receives will be disallowed.
 A 0 is returned if the call succeeds, -1 if it fails.
 .Sh ERRORS
 The call succeeds unless:
-.Bl -tag -width ENOTCONNAA
+.Bl -tag -width Er
 .It Bq Er EBADF
 .Fa S
 is not a valid descriptor.
diff --git a/lib/libc/sys/sigaltstack.2 b/lib/libc/sys/sigaltstack.2
index f927034bac2..33830149bb3 100644
--- a/lib/libc/sys/sigaltstack.2
+++ b/lib/libc/sys/sigaltstack.2
@@ -141,7 +141,7 @@ is set to indicate the error.
 .Fn Sigaltstack
 will fail and the signal stack context will remain unchanged
 if one of the following occurs.
-.Bl -tag -width [ENOMEM]
+.Bl -tag -width Er
 .It Bq Er EFAULT
 Either
 .Fa ss
diff --git a/lib/libc/sys/sigprocmask.2 b/lib/libc/sys/sigprocmask.2
index 55e24515e7a..2948c50f45a 100644
--- a/lib/libc/sys/sigprocmask.2
+++ b/lib/libc/sys/sigprocmask.2
@@ -105,7 +105,7 @@ The
 .Fn sigprocmask
 call will fail and the signal mask will be unchanged if one
 of the following occurs:
-.Bl -tag -width Bq Er EINVAL
+.Bl -tag -width Er
 .It Bq Er EINVAL
 .Fa how
 has a value other than those listed here.
diff --git a/lib/libc/sys/sigreturn.2 b/lib/libc/sys/sigreturn.2
index 0aeaf8e79f7..c5185fea7ea 100644
--- a/lib/libc/sys/sigreturn.2
+++ b/lib/libc/sys/sigreturn.2
@@ -96,7 +96,7 @@ is set to indicate the error.
 .Fn Sigreturn
 will fail and the process context will remain unchanged
 if one of the following occurs.
-.Bl -tag -width [EINVAL]
+.Bl -tag -width Er
 .It Bq Er EFAULT
 .Fa Scp
 points to memory that is not a valid part of the process
diff --git a/lib/libc/sys/socket.2 b/lib/libc/sys/socket.2
index 22075800da4..b6e5a65877b 100644
--- a/lib/libc/sys/socket.2
+++ b/lib/libc/sys/socket.2
@@ -251,7 +251,7 @@ value is a descriptor referencing the socket.
 The
 .Fn socket
 call fails if:
-.Bl -tag -width EPROTONOPSUPPORTA
+.Bl -tag -width Er
 .It Bq Er EPROTONOSUPPORT
 The protocol type or the specified protocol is not supported
 within this domain.
diff --git a/lib/libc/sys/socketpair.2 b/lib/libc/sys/socketpair.2
index c56348cdc07..7b97170a68d 100644
--- a/lib/libc/sys/socketpair.2
+++ b/lib/libc/sys/socketpair.2
@@ -65,7 +65,7 @@ The two sockets are indistinguishable.
 A 0 is returned if the call succeeds, -1 if it fails.
 .Sh ERRORS
 The call succeeds unless:
-.Bl -tag -width EPROTONOSUPPORTA
+.Bl -tag -width Er
 .It Bq Er EMFILE
 Too many descriptors are in use by this process.
 .It Bq Er EAFNOSUPPORT
diff --git a/lib/libc/sys/stat.2 b/lib/libc/sys/stat.2
index b1cb56c9d73..ef3a858958d 100644
--- a/lib/libc/sys/stat.2
+++ b/lib/libc/sys/stat.2
@@ -220,7 +220,7 @@ fields.
 and
 .Fn lstat
 will fail if:
-.Bl -tag -width ENAMETOOLONGAA
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the path prefix is not a directory.
 .It Bq Er ENAMETOOLONG
diff --git a/lib/libc/sys/statfs.2 b/lib/libc/sys/statfs.2
index f18d0c75df9..82cd9810f8c 100644
--- a/lib/libc/sys/statfs.2
+++ b/lib/libc/sys/statfs.2
@@ -131,7 +131,7 @@ is set to indicate the error.
 .Sh ERRORS
 .Fn Statfs
 fails if one or more of the following are true:
-.Bl -tag -width ENAMETOOLONGA
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the path prefix of
 .Fa Path
diff --git a/lib/libc/sys/swapon.2 b/lib/libc/sys/swapon.2
index 4ab239d028b..99e42619c65 100644
--- a/lib/libc/sys/swapon.2
+++ b/lib/libc/sys/swapon.2
@@ -62,7 +62,7 @@ is set to indicate the error.
 .Sh ERRORS
 .Fn Swapon
 succeeds unless:
-.Bl -tag -width ENAMETOOLONG
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the path prefix is not a directory.
 .It Bq Er ENAMETOOLONG
diff --git a/lib/libc/sys/symlink.2 b/lib/libc/sys/symlink.2
index 0f4779d0ca9..92e1849a2c2 100644
--- a/lib/libc/sys/symlink.2
+++ b/lib/libc/sys/symlink.2
@@ -64,7 +64,7 @@ If an error occurs, the error code is stored in
 and a -1 value is returned.
 .Sh ERRORS
 The symbolic link succeeds unless:
-.Bl -tag -width ENAMETOO
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the
 .Fa name2
diff --git a/lib/libc/sys/truncate.2 b/lib/libc/sys/truncate.2
index 010e4bb3baf..b9a494e3988 100644
--- a/lib/libc/sys/truncate.2
+++ b/lib/libc/sys/truncate.2
@@ -72,7 +72,7 @@ specifies the error.
 .Sh ERRORS
 .Fn Truncate
 succeeds unless:
-.Bl -tag -width [ENOTDIR]
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the path prefix is not a directory.
 .It Bq Er ENAMETOOLONG
diff --git a/lib/libc/sys/undelete.2 b/lib/libc/sys/undelete.2
index 3e664390dd1..9eb71e76410 100644
--- a/lib/libc/sys/undelete.2
+++ b/lib/libc/sys/undelete.2
@@ -69,7 +69,7 @@ is set to indicate the error.
 The
 .Fn undelete
 succeeds unless:
-.Bl -tag -width ENAMETOOLONGAA
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the path prefix is not a directory.
 .It Bq Er ENAMETOOLONG
diff --git a/lib/libc/sys/unlink.2 b/lib/libc/sys/unlink.2
index 96054a6dbcb..15fe8444af6 100644
--- a/lib/libc/sys/unlink.2
+++ b/lib/libc/sys/unlink.2
@@ -70,7 +70,7 @@ is set to indicate the error.
 The
 .Fn unlink
 succeeds unless:
-.Bl -tag -width ENAMETOOLONGAA
+.Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the path prefix is not a directory.
 .It Bq Er ENAMETOOLONG