Many pages: Use correct letter case in page titles (TH)

Scripted change:

$ find man* -type f \
  | xargs grep -L '\.so' \
  | while read f; do
      P=$(basename $f);
      T=$(grep '\.TH ' $f | cut -f2,3 -d' ' | sed 's/ /./');
      p=$(echo $P | tr '[:upper:]' '[:lower:]');
      t=$(echo $T | tr '[:upper:]' '[:lower:]');
      Tn=$(echo $T | sed 's/\.[^.]\+$//')
      Pn=$(echo $P | sed 's/\.[^.]\+$//')

      N=$(man_section $f NAME \
      | sed -n '/NAME/,/ - /p' \
      | sed 's/ - .*//' \
      | grep -v '^NAME$' \
      | tr ', ' '\n' \
      | grep -i "^$Pn$" \
      | head -n1)

      test $P = $T \
      && test -n $N \
      && continue;

      if test "x$p" != "x$t"; then
          echo 1 $P $T $N;
      elif test -z "$N"; then
          echo 2 $P $T $N;
      else
          sed -i "/\.TH /s/$Tn/$N/" $f;
      fi;
  done;

On 10/30/22 23:00, G. Branden Robinson wrote:
> For those to whom this change is coming as an unpleasant surprise, the
> forthcoming groff 1.23.0 features an option that will reverse this
> change at rendering time.
>
>  From groff_man(7):
>
>     -rCT=1 Capitalize titles, setting the man page title (the first
>            argument to .TH) in full capitals in headers and footers.
>            This transformation is off by default because it discards
>            case distinction information.
>
> This register can also be set in a site-local "man.local" file to force
> it on for all pages.  On Debian-based systems, this file is in
> /etc/groff.  The following line will do the trick.
>
> .nr CT 1
>
> The groff_man_style(7) man page offers further examples of such
> rendering customization.
>
>     /usr/local/share/groff/site-tmac/man.local
>            Put site‐local changes and customizations into this file.
>
>                   .\" Use narrower indentation on terminals and similar.
>                   .if n .nr IN 4n
>                   .\" Put only one space after the end of a sentence.
>                   .ss 12 0 \" See groff(7).
>                   .\" Keep pages narrow even on wide terminals.
>                   .if n .if \n[LL]>78n .nr LL 78n
>                   .\" Ensure hyperlinks are enabled for terminals.
>                   .nr U 1
>
>            On multi‐user systems, it is more considerate to users whose
>            preferences may differ from the administrator’s to be less
>            aggressive with such settings, or to permit their override
>            with a user‐specific man.local file.  This can be achieved by
>            placing one or both of following requests at the end of the
>            site‐local file.
>                   .soquiet \V[XDG_CONFIG_HOME]/man.local
>                   .soquiet \V[HOME]/.man.local
>            However, a security‐sandboxed man(1) program may lack
>            permission to open such files.

Cc: Ingo Schwarze <schwarze@openbsd.org>
Cc: "G. Branden Robinson" <g.branden.robinson@gmail.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>

31 files changed, 31 insertions, 31 deletions

diff --git a/man4/cciss.4 b/man4/cciss.4
index 44ddc1c90..cfc57efc0 100644
--- a/man4/cciss.4
+++ b/man4/cciss.4
@@ -5,7 +5,7 @@
 .\"
 .\" shorthand for double quote that works everywhere.
 .ds q \N'34'
-.TH CCISS 4 (date) "Linux man-pages (unreleased)"
+.TH cciss 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 cciss \- HP Smart Array block driver
 .SH SYNOPSIS
diff --git a/man4/console_codes.4 b/man4/console_codes.4
index 2a8761d09..72e978757 100644
--- a/man4/console_codes.4
+++ b/man4/console_codes.4
@@ -14,7 +14,7 @@
 .\"
 .\" 2006-05-27, Several corrections - Thomas E. Dickey
 .\"
-.TH CONSOLE_CODES 4 (date) "Linux man-pages (unreleased)"
+.TH console_codes 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 console_codes \- Linux console escape and control sequences
 .SH DESCRIPTION
diff --git a/man4/cpuid.4 b/man4/cpuid.4
index 27de85636..c89d27062 100644
--- a/man4/cpuid.4
+++ b/man4/cpuid.4
@@ -3,7 +3,7 @@
 .\"
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
-.TH CPUID 4 (date) "Linux man-pages (unreleased)"
+.TH cpuid 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 cpuid \- x86 CPUID access device
 .SH DESCRIPTION
diff --git a/man4/dsp56k.4 b/man4/dsp56k.4
index 7aa324b7d..df8c67c5f 100644
--- a/man4/dsp56k.4
+++ b/man4/dsp56k.4
@@ -4,7 +4,7 @@
 .\"
 .\" Modified, Thu Jan 27 19:16:19 CET 2000, lars@nocrew.org
 .\"
-.TH DSP56K 4 (date) "Linux man-pages (unreleased)"
+.TH dsp56k 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 dsp56k \- DSP56001 interface device
 .SH SYNOPSIS
diff --git a/man4/fd.4 b/man4/fd.4
index 1ffe833d2..f744bbfe0 100644
--- a/man4/fd.4
+++ b/man4/fd.4
@@ -5,7 +5,7 @@
 .\"
 .\" Modified, Sun Feb 26 15:00:02 1995, faith@cs.unc.edu
 .\"
-.TH FD 4 (date) "Linux man-pages (unreleased)"
+.TH fd 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 fd \- floppy disk device
 .SH CONFIGURATION
diff --git a/man4/full.4 b/man4/full.4
index 16ad5ebcc..e3c3de215 100644
--- a/man4/full.4
+++ b/man4/full.4
@@ -3,7 +3,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\" correction, aeb, 970825
-.TH FULL 4 (date) "Linux man-pages (unreleased)"
+.TH full 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 full \- always full device
 .SH CONFIGURATION
diff --git a/man4/fuse.4 b/man4/fuse.4
index 2b5385cf5..dc1ec8a85 100644
--- a/man4/fuse.4
+++ b/man4/fuse.4
@@ -3,7 +3,7 @@
 .\"
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
-.TH FUSE 4 (date) "Linux man-pages (unreleased)"
+.TH fuse 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 fuse \- Filesystem in Userspace (FUSE) device
 .SH SYNOPSIS
diff --git a/man4/hd.4 b/man4/hd.4
index 4f625b1d8..fbbecbb9c 100644
--- a/man4/hd.4
+++ b/man4/hd.4
@@ -7,7 +7,7 @@
 .\" Modified Mon Oct 21 21:38:51 1996 by Eric S. Raymond <esr@thyrsus.com>
 .\" (and some more by aeb)
 .\"
-.TH HD 4 (date) "Linux man-pages (unreleased)"
+.TH hd 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 hd \- MFM/IDE hard disk devices
 .SH DESCRIPTION
diff --git a/man4/hpsa.4 b/man4/hpsa.4
index ff652c696..17a533c61 100644
--- a/man4/hpsa.4
+++ b/man4/hpsa.4
@@ -5,7 +5,7 @@
 .\"
 .\" shorthand for double quote that works everywhere.
 .ds q \N'34'
-.TH HPSA 4 (date) "Linux man-pages (unreleased)"
+.TH hpsa 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 hpsa \- HP Smart Array SCSI driver
 .SH SYNOPSIS
diff --git a/man4/initrd.4 b/man4/initrd.4
index b5132404d..20d561829 100644
--- a/man4/initrd.4
+++ b/man4/initrd.4
@@ -12,7 +12,7 @@
 .\"	phone: (302)654-5478
 .\"
 .\" $Id: initrd.4,v 0.9 1997/11/07 05:05:32 kallal Exp kallal $
-.TH INITRD 4 (date) "Linux man-pages (unreleased)"
+.TH initrd 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 initrd \- boot loader initialized RAM disk
 .SH CONFIGURATION
diff --git a/man4/intro.4 b/man4/intro.4
index 262bd200d..a12c38c2d 100644
--- a/man4/intro.4
+++ b/man4/intro.4
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: GPL-2.0-or-later
 .\"
 .\" Modified Sat Jul 24 16:57:14 1993 by Rik Faith (faith@cs.unc.edu)
-.TH INTRO 4 (date) "Linux man-pages (unreleased)"
+.TH intro 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 intro \- introduction to special files
 .SH DESCRIPTION
diff --git a/man4/lirc.4 b/man4/lirc.4
index d89994cd6..30797a679 100644
--- a/man4/lirc.4
+++ b/man4/lirc.4
@@ -2,7 +2,7 @@
 .\" Copyright (c) 2018, Sean Young <sean@mess.org>
 .\"
 .\" SPDX-License-Identifier: GPL-2.0-or-later
-.TH LIRC 4 (date) "Linux man-pages (unreleased)"
+.TH lirc 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 lirc \- lirc devices
 .SH DESCRIPTION
diff --git a/man4/loop.4 b/man4/loop.4
index 671648c9b..9002d6717 100644
--- a/man4/loop.4
+++ b/man4/loop.4
@@ -3,7 +3,7 @@
 .\"
 .\" SPDX-License-Identifier: GPL-2.0-or-later
 .\"
-.TH LOOP 4 (date) "Linux man-pages (unreleased)"
+.TH loop 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 loop, loop-control \- loop devices
 .SH SYNOPSIS
diff --git a/man4/lp.4 b/man4/lp.4
index edbef79f0..568bc37d4 100644
--- a/man4/lp.4
+++ b/man4/lp.4
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: GPL-2.0-or-later
 .\"
 .\" Modified, Sun Feb 26 15:02:58 1995, faith@cs.unc.edu
-.TH LP 4 (date) "Linux man-pages (unreleased)"
+.TH lp 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 lp \- line printer devices
 .SH SYNOPSIS
diff --git a/man4/mem.4 b/man4/mem.4
index 3cd1aab6f..333cef800 100644
--- a/man4/mem.4
+++ b/man4/mem.4
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: GPL-2.0-or-later
 .\"
 .\" Modified Sat Jul 24 16:59:10 1993 by Rik Faith (faith@cs.unc.edu)
-.TH MEM 4 (date) "Linux man-pages (unreleased)"
+.TH mem 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 mem, kmem, port \- system memory, kernel memory and system ports
 .SH DESCRIPTION
diff --git a/man4/mouse.4 b/man4/mouse.4
index 1a6621b05..765133578 100644
--- a/man4/mouse.4
+++ b/man4/mouse.4
@@ -2,7 +2,7 @@
 .\" Updates Nov 1998, Andries Brouwer
 .\"
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
-.TH MOUSE 4 (date) "Linux man-pages (unreleased)"
+.TH mouse 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 mouse \- serial mouse interface
 .SH CONFIGURATION
diff --git a/man4/msr.4 b/man4/msr.4
index c4b2d3bf3..a11a71cd0 100644
--- a/man4/msr.4
+++ b/man4/msr.4
@@ -3,7 +3,7 @@
 .\"
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
-.TH MSR 4 (date) "Linux man-pages (unreleased)"
+.TH msr 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 msr \- x86 CPU MSR access device
 .SH DESCRIPTION
diff --git a/man4/null.4 b/man4/null.4
index 7c7eb4403..d8cb4feb0 100644
--- a/man4/null.4
+++ b/man4/null.4
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: GPL-2.0-or-later
 .\"
 .\" Modified Sat Jul 24 17:00:12 1993 by Rik Faith (faith@cs.unc.edu)
-.TH NULL 4 (date) "Linux man-pages (unreleased)"
+.TH null 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 null, zero \- data sink
 .SH DESCRIPTION
diff --git a/man4/pts.4 b/man4/pts.4
index 39446bba5..a021f039f 100644
--- a/man4/pts.4
+++ b/man4/pts.4
@@ -5,7 +5,7 @@
 .\" Redistribute and revise at will.
 .\" %%%LICENSE_END
 .\"
-.TH PTS 4 (date) "Linux man-pages (unreleased)"
+.TH pts 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 ptmx, pts \- pseudoterminal master and slave
 .SH DESCRIPTION
diff --git a/man4/ram.4 b/man4/ram.4
index a0c42b844..47161c505 100644
--- a/man4/ram.4
+++ b/man4/ram.4
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: GPL-2.0-or-later
 .\"
 .\" Modified Sat Jul 24 17:01:11 1993 by Rik Faith (faith@cs.unc.edu)
-.TH RAM 4 (date) "Linux man-pages (unreleased)"
+.TH ram 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 ram \- ram disk device
 .SH DESCRIPTION
diff --git a/man4/random.4 b/man4/random.4
index 7b5d2eee0..12c859248 100644
--- a/man4/random.4
+++ b/man4/random.4
@@ -9,7 +9,7 @@
 .\" 2008-06-20, George Spelvin <linux@horizon.com>,
 .\"             Matt Mackall <mpm@selenic.com>
 .\"
-.TH RANDOM 4 (date) "Linux man-pages (unreleased)"
+.TH random 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 random, urandom \- kernel random number source devices
 .SH SYNOPSIS
diff --git a/man4/rtc.4 b/man4/rtc.4
index e72c3e7b1..769ff7804 100644
--- a/man4/rtc.4
+++ b/man4/rtc.4
@@ -8,7 +8,7 @@
 .\" 2006-02-08 Various additions by mtk
 .\" 2006-11-26 cleanup, cover the generic rtc framework; David Brownell
 .\"
-.TH RTC 4 (date) "Linux man-pages (unreleased)"
+.TH rtc 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 rtc \- real-time clock
 .SH SYNOPSIS
diff --git a/man4/sd.4 b/man4/sd.4
index 62580ebf7..691757e29 100644
--- a/man4/sd.4
+++ b/man4/sd.4
@@ -3,7 +3,7 @@
 .\"
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
-.TH SD 4 (date) "Linux man-pages (unreleased)"
+.TH sd 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 sd \- driver for SCSI disk drives
 .SH SYNOPSIS
diff --git a/man4/sk98lin.4 b/man4/sk98lin.4
index 5961caf68..6801b9ea1 100644
--- a/man4/sk98lin.4
+++ b/man4/sk98lin.4
@@ -5,7 +5,7 @@
 .\"
 .\" This manpage can be viewed using `groff -Tascii -man sk98lin.4 | less`
 .\"
-.TH SK98LIN 4 (date) "Linux man-pages (unreleased)"
+.TH sk98lin 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 sk98lin \- Marvell/SysKonnect Gigabit Ethernet driver v6.21
 .SH SYNOPSIS
diff --git a/man4/smartpqi.4 b/man4/smartpqi.4
index 409bcaeb2..a74bc207c 100644
--- a/man4/smartpqi.4
+++ b/man4/smartpqi.4
@@ -4,7 +4,7 @@
 .\" Written by Kevin Barnett <kevin.barnett@microsemi.com>
 .\"
 .\" SPDX-License-Identifier: GPL-2.0-only
-.TH SMARTPQI 4 (date) "Linux man-pages (unreleased)"
+.TH smartpqi 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 smartpqi \- Microsemi Smart Family SCSI driver
 .SH SYNOPSIS
diff --git a/man4/st.4 b/man4/st.4
index 4258b164c..68ea2ff40 100644
--- a/man4/st.4
+++ b/man4/st.4
@@ -2,7 +2,7 @@
 .\" Copyright 1999-2005 Kai Mäkisara (Kai.Makisara@kolumbus.fi)
 .\"
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
-.TH ST 4 (date) "Linux man-pages (unreleased)"
+.TH st 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 st \- SCSI tape device
 .SH SYNOPSIS
diff --git a/man4/tty.4 b/man4/tty.4
index 2b6a2db96..139886844 100644
--- a/man4/tty.4
+++ b/man4/tty.4
@@ -6,7 +6,7 @@
 .\" Modified 1993-07-24 by Rik Faith (faith@cs.unc.edu)
 .\" Modified 2003-04-07 by Michael Kerrisk
 .\"
-.TH TTY 4 (date) "Linux man-pages (unreleased)"
+.TH tty 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 tty \- controlling terminal
 .SH DESCRIPTION
diff --git a/man4/ttyS.4 b/man4/ttyS.4
index e2bb97bae..e5e47a66b 100644
--- a/man4/ttyS.4
+++ b/man4/ttyS.4
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: GPL-2.0-or-later
 .\"
 .\" Modified Sat Jul 24 17:03:24 1993 by Rik Faith (faith@cs.unc.edu)
-.TH TTYS 4 (date) "Linux man-pages (unreleased)"
+.TH ttyS 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 ttyS \- serial terminal lines
 .SH DESCRIPTION
diff --git a/man4/vcs.4 b/man4/vcs.4
index 675faad8f..9bda05d74 100644
--- a/man4/vcs.4
+++ b/man4/vcs.4
@@ -7,7 +7,7 @@
 .\" 2007-12-17, Samuel Thibault <samuel.thibault@ens-lyon.org>:
 .\"     document the VT_GETHIFONTMASK ioctl
 .\" "
-.TH VCS 4 (date) "Linux man-pages (unreleased)"
+.TH vcs 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 vcs, vcsa \- virtual console memory
 .SH DESCRIPTION
diff --git a/man4/veth.4 b/man4/veth.4
index c85dd6ced..254ad32e8 100644
--- a/man4/veth.4
+++ b/man4/veth.4
@@ -5,7 +5,7 @@
 .\" SPDX-License-Identifier: GPL-2.0-or-later
 .\"
 .\"
-.TH VETH 4 (date) "Linux man-pages (unreleased)"
+.TH veth 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 veth \- Virtual Ethernet Device
 .SH DESCRIPTION
diff --git a/man4/wavelan.4 b/man4/wavelan.4
index 41822a4a5..45ac95f46 100644
--- a/man4/wavelan.4
+++ b/man4/wavelan.4
@@ -8,7 +8,7 @@
 .\"
 .\" SPDX-License-Identifier: GPL-1.0-or-later
 .\"
-.TH WAVELAN 4 (date) "Linux man-pages (unreleased)"
+.TH wavelan 4 (date) "Linux man-pages (unreleased)"
 .SH NAME
 wavelan \- AT&T GIS WaveLAN ISA device driver
 .SH SYNOPSIS