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>

28 files changed, 28 insertions, 28 deletions

diff --git a/man3type/aiocb.3type b/man3type/aiocb.3type
index 7b4730d0b..7bfe97162 100644
--- a/man3type/aiocb.3type
+++ b/man3type/aiocb.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH AIOCB 3type (date) "Linux man-pages (unreleased)"
+.TH aiocb 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 aiocb \- asynchronous I/O control block
 .SH LIBRARY
diff --git a/man3type/blkcnt_t.3type b/man3type/blkcnt_t.3type
index 5a20eeac8..c9bb2ed40 100644
--- a/man3type/blkcnt_t.3type
+++ b/man3type/blkcnt_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH BLKCNT_T 3type (date) "Linux man-pages (unreleased)"
+.TH blkcnt_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 blkcnt_t \- file block counts
 .SH LIBRARY
diff --git a/man3type/blksize_t.3type b/man3type/blksize_t.3type
index 4032ce195..0b1c82bcd 100644
--- a/man3type/blksize_t.3type
+++ b/man3type/blksize_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH BLKSIZE_T 3type (date) "Linux man-pages (unreleased)"
+.TH blksize_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 blksize_t \- file block sizes
 .SH LIBRARY
diff --git a/man3type/cc_t.3type b/man3type/cc_t.3type
index 8908b4d41..ef0d44107 100644
--- a/man3type/cc_t.3type
+++ b/man3type/cc_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH CC_T 3type (date) "Linux man-pages (unreleased)"
+.TH cc_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 cc_t, speed_t, tcflag_t \- terminal special characters, baud rates, modes
 .SH LIBRARY
diff --git a/man3type/clock_t.3type b/man3type/clock_t.3type
index 6676bc56d..b3fdf0346 100644
--- a/man3type/clock_t.3type
+++ b/man3type/clock_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH CLOCK_T 3type (date) "Linux man-pages (unreleased)"
+.TH clock_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 clock_t \- system time
 .SH LIBRARY
diff --git a/man3type/clockid_t.3type b/man3type/clockid_t.3type
index c5a3b5f11..092a07c15 100644
--- a/man3type/clockid_t.3type
+++ b/man3type/clockid_t.3type
@@ -1,4 +1,4 @@
-.TH CLOCKID_T 3type (date) "Linux man-pages (unreleased)"
+.TH clockid_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 clockid_t \- clock ID for the clock and timer functions
 .SH LIBRARY
diff --git a/man3type/dev_t.3type b/man3type/dev_t.3type
index 62ca80bc9..898886b84 100644
--- a/man3type/dev_t.3type
+++ b/man3type/dev_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH DEV_T 3type (date) "Linux man-pages (unreleased)"
+.TH dev_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 dev_t \- device ID
 .SH LIBRARY
diff --git a/man3type/div_t.3type b/man3type/div_t.3type
index 7e50cf21e..fa4330709 100644
--- a/man3type/div_t.3type
+++ b/man3type/div_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH DIV_T 3type (date) "Linux man-pages (unreleased)"
+.TH div_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 div_t, ldiv_t, lldiv_t, imaxdiv_t \-
 quotient and remainder of an integer division
diff --git a/man3type/double_t.3type b/man3type/double_t.3type
index a3b07701f..1ece47c89 100644
--- a/man3type/double_t.3type
+++ b/man3type/double_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH DOUBLE_T 3type (date) "Linux man-pages (unreleased)"
+.TH double_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 float_t, double_t \- most efficient floating types
 .SH LIBRARY
diff --git a/man3type/epoll_event.3type b/man3type/epoll_event.3type
index 40b324873..4e4d34284 100644
--- a/man3type/epoll_event.3type
+++ b/man3type/epoll_event.3type
@@ -3,7 +3,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH EPOLL_EVENT 3type (date) "Linux man-pages (unreleased)"
+.TH epoll_event 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 epoll_event, epoll_data, epoll_data_t
 \- epoll event
diff --git a/man3type/fenv_t.3type b/man3type/fenv_t.3type
index 38919dd88..086f1d977 100644
--- a/man3type/fenv_t.3type
+++ b/man3type/fenv_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH FENV_T 3type (date) "Linux man-pages (unreleased)"
+.TH fenv_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 fenv_t, fexcept_t \- floating-point environment
 .SH LIBRARY
diff --git a/man3type/id_t.3type b/man3type/id_t.3type
index db8801345..d6bc97b6f 100644
--- a/man3type/id_t.3type
+++ b/man3type/id_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH ID_T 3type (date) "Linux man-pages (unreleased)"
+.TH id_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 pid_t, uid_t, gid_t, id_t \- process/user/group identifier
 .SH LIBRARY
diff --git a/man3type/intN_t.3type b/man3type/intN_t.3type
index 6c5bc18eb..ca30516ef 100644
--- a/man3type/intN_t.3type
+++ b/man3type/intN_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH INTN_T 3type (date) "Linux man-pages (unreleased)"
+.TH intN_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 intN_t, int8_t, int16_t, int32_t, int64_t,
 uintN_t, uint8_t, uint16_t, uint32_t, uint64_t
diff --git a/man3type/intmax_t.3type b/man3type/intmax_t.3type
index e44c34df1..8c2f9ff0f 100644
--- a/man3type/intmax_t.3type
+++ b/man3type/intmax_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH INTMAX_T 3type (date) "Linux man-pages (unreleased)"
+.TH intmax_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 intmax_t, uintmax_t \- greatest-width basic integer types
 .SH LIBRARY
diff --git a/man3type/intptr_t.3type b/man3type/intptr_t.3type
index 4be2a1a88..9b614fac6 100644
--- a/man3type/intptr_t.3type
+++ b/man3type/intptr_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH INTPTR_T 3type (date) "Linux man-pages (unreleased)"
+.TH intptr_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 intptr_t, uintptr_t \- integer types wide enough to hold pointers
 .SH LIBRARY
diff --git a/man3type/iovec.3type b/man3type/iovec.3type
index 13d6406d8..5f3a7e3ef 100644
--- a/man3type/iovec.3type
+++ b/man3type/iovec.3type
@@ -3,7 +3,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH IOVEC 3type (date) "Linux man-pages (unreleased)"
+.TH iovec 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 iovec \- Vector I/O data structure
 .SH LIBRARY
diff --git a/man3type/lconv.3type b/man3type/lconv.3type
index 8d6e029f9..d96ec91a1 100644
--- a/man3type/lconv.3type
+++ b/man3type/lconv.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH LCONV 3type (date) "Linux man-pages (unreleased)"
+.TH lconv 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 lconv \- numeric formatting information
 .SH LIBRARY
diff --git a/man3type/mode_t.3type b/man3type/mode_t.3type
index ebd557a72..2ea1784cc 100644
--- a/man3type/mode_t.3type
+++ b/man3type/mode_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH MODE_T 3type (date) "Linux man-pages (unreleased)"
+.TH mode_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 mode_t \- file attributes
 .SH LIBRARY
diff --git a/man3type/off_t.3type b/man3type/off_t.3type
index f0256c157..1e8734fa6 100644
--- a/man3type/off_t.3type
+++ b/man3type/off_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH OFF_T 3type (date) "Linux man-pages (unreleased)"
+.TH off_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 off_t, off64_t, loff_t \- file sizes
 .SH LIBRARY
diff --git a/man3type/ptrdiff_t.3type b/man3type/ptrdiff_t.3type
index ef8fd0286..a4d41e5e7 100644
--- a/man3type/ptrdiff_t.3type
+++ b/man3type/ptrdiff_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH PTRDIFF_T 3type (date) "Linux man-pages (unreleased)"
+.TH ptrdiff_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 ptrdiff_t \- count of elements or array index
 .SH LIBRARY
diff --git a/man3type/size_t.3type b/man3type/size_t.3type
index 07f776f59..ba02993a2 100644
--- a/man3type/size_t.3type
+++ b/man3type/size_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH SIZE_T 3type (date) "Linux man-pages (unreleased)"
+.TH size_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 size_t, ssize_t \- count of bytes
 .SH LIBRARY
diff --git a/man3type/sockaddr.3type b/man3type/sockaddr.3type
index 0f0f34165..319a5e552 100644
--- a/man3type/sockaddr.3type
+++ b/man3type/sockaddr.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH SOCKADDR 3type (date) "Linux man-pages (unreleased)"
+.TH sockaddr 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 sockaddr, sockaddr_storage, sockaddr_in, sockaddr_in6, sockaddr_un, socklen_t,
 in_addr, in6_addr, in_addr_t, in_port_t,
diff --git a/man3type/time_t.3type b/man3type/time_t.3type
index df7d91df1..0808236c9 100644
--- a/man3type/time_t.3type
+++ b/man3type/time_t.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH TIME_T 3type (date) "Linux man-pages (unreleased)"
+.TH time_t 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 time_t, suseconds_t, useconds_t \- integer time
 .SH LIBRARY
diff --git a/man3type/timespec.3type b/man3type/timespec.3type
index 1509ee8a2..fdddcc778 100644
--- a/man3type/timespec.3type
+++ b/man3type/timespec.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH TIMESPEC 3type (date) "Linux man-pages (unreleased)"
+.TH timespec 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 timespec \- time in seconds and nanoseconds
 .SH LIBRARY
diff --git a/man3type/timeval.3type b/man3type/timeval.3type
index cfb71bcd3..36a7a4820 100644
--- a/man3type/timeval.3type
+++ b/man3type/timeval.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH TIMEVAL 3type (date) "Linux man-pages (unreleased)"
+.TH timeval 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 timeval \- time in seconds and microseconds
 .SH LIBRARY
diff --git a/man3type/tm.3type b/man3type/tm.3type
index 15c373a58..6df7f78a0 100644
--- a/man3type/tm.3type
+++ b/man3type/tm.3type
@@ -3,7 +3,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH TM 3type (date) "Linux man-pages (unreleased)"
+.TH tm 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 tm \- broken-down time
 .SH LIBRARY
diff --git a/man3type/va_list.3type b/man3type/va_list.3type
index fe785e34d..004860d5c 100644
--- a/man3type/va_list.3type
+++ b/man3type/va_list.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH VA_LIST 3type (date) "Linux man-pages (unreleased)"
+.TH va_list 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 va_list \- variable argument list
 .SH LIBRARY
diff --git a/man3type/void.3type b/man3type/void.3type
index 567e7653f..ddcbf482f 100644
--- a/man3type/void.3type
+++ b/man3type/void.3type
@@ -4,7 +4,7 @@
 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
 .\"
 .\"
-.TH VOID 3type (date) "Linux man-pages (unreleased)"
+.TH void 3type (date) "Linux man-pages (unreleased)"
 .SH NAME
 void \- abstract type
 .SH SYNOPSIS