clang-22, man page: undefined register 'an-margin'

[Bjarni Ingi Gislason]

Package: clang-22
Version: 1:22.1.8-1+b1
Severity: minor

  Additional remarks.

  Mails from me to "submit at bugs.debian.org" are no longer acknowledged.  A
Debian maintainer told me, that he would contact the mail administrator
about me not wanting to send bugs upstream.

-.-

Dear Maintainer,

>From "/usr/share/doc/debian/bug-reporting.txt.gz":

  Don't file bugs upstream

   If you file a bug in Debian, don't send a copy to the upstream software
   maintainers yourself, as it is possible that the bug exists only in
   Debian. If necessary, the maintainer of the package will forward the
   bug upstream.

-.-

  For forwarding bug reports to upstream see:

https://www.debian.org/Bugs/Developer#forward

-.-

  "Handling bug reports" in
http://people.debian.org/~enrico/dcg/ch03s02.html

-.-

  I do not send reports upstream if I have to get an account there.
The Debian maintainers have one already.

-.-

   * What led up to the situation?

     Checking for defects with a new version

test-[g|n]roff -mandoc -t -K utf8 -rF0 -rHY=0 -rCHECKSTYLE=0 -ww -z < "man page"

  [Use 

grep -n -e ' $' -e '\\~$' -e ' \\f.$' -e ' \\"' <file>

  to find (most) trailing spaces.]

  ["test-groff" is a script in the repository for "groff"; is not shipped]
(local copy and "troff" slightly changed by me).

  [The fate of "test-nroff" was decided in groff bug #55941.]

   * What was the outcome of this action?

Output from "test-groff  -mandoc  -K utf8 -rF0 -rHY=0 -rCHECKSTYLE=0 -ww -z ":

troff:/tmp/gz.roff.5DW56m:45: warning: register 'an-margin' not defined [-w reg]
/usr/share/man/man1/clang-22.1.gz

   * What outcome did you expect instead?

     No output (no warnings).

-.-

  The register 'an-margin' is an OBSOLETE INTERNAL variable in groff's
macro file 'an.tmac'.

-.-

  General remarks and further material, if a diff-file exist, are in the
attachments.


-- System Information:
Debian Release: forky/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 7.1.3+deb14-amd64 (SMP w/2 CPU threads; PREEMPT)
Locale: LANG=is_IS.iso88591, LC_CTYPE=is_IS.iso88591 (charmap=ISO-8859-1), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages clang-22 depends on:
ii  binutils                2.46.50.20260617-1
ii  libc6                   2.42-17
ii  libc6-dev               2.42-17
ii  libclang-common-22-dev  1:22.1.8-1+b1
ii  libclang-cpp22          1:22.1.8-1+b1
ii  libclang1-22            1:22.1.8-1+b1
ii  libgcc-15-dev           15.3.0-1
ii  libgcc-s1               16.1.0-2
ii  libllvm22               1:22.1.8-1+b1
ii  libobjc-15-dev          15.3.0-1
ii  libstdc++-15-dev        15.3.0-1
ii  libstdc++6              16.1.0-2
ii  llvm-22-linker-tools    1:22.1.8-1+b1

Versions of packages clang-22 recommends:
ii  clang-tools-22  1:22.1.8-1+b1
pn  llvm-22-dev     <none>
ii  python3         3.13.9-3+b1

Versions of packages clang-22 suggests:
ii  clang-22-doc  1:22.1.8-1
pn  wasi-libc     <none>

-- no debconf information
-------------- next part --------------
  Check the output from "lintian" in the Debian distribution.

  Any program (person), that produces man pages, should check the output
for defects by using (both groff and nroff)

[gn]roff -mandoc -t -ww -b -z -K utf8 <man page>

  To find most trailing spaces use

grep -n -e ' $' -e ' \\f.$' -e ' \\"' -e ' "$' <man page>

  The same goes for man pages that are used as an input.

-.-

  For a style guide use

  mandoc -T lint

-.-

  For general input conventions consult the man page "nroff(7)" (item
"Input conventions") or the Texinfo manual about the same item.

-.-

  Any "autogenerator" should check its products with the above mentioned
'groff', 'mandoc', and additionally with 'nroff ...'.

  It should also check its input files for too long (> 80) lines.

  This is just a simple quality control measure.

  The "autogenerator" may have to be corrected to get a better man page,
the source file may, and any additional file may.

-.-

  Common defects:

  Not removing trailing spaces (in in- and output).
  The reason for these trailing spaces should be found and eliminated.

  "git" has a "tool" to point out whitespace,
see for example "git-apply(1)" and git-config(1)")

-.-

  Not beginning each input sentence on a new line.

Line length and patch size should thus be reduced when that has been fixed.

  The script "reportbug" uses 'quoted-printable' encoding when a line is
longer than 1024 characters in an 'ascii' file.

  See man-pages(7), item "semantic newline".

-.-

The difference between the formatted output of the original
and patched file can be seen with:

  nroff -mandoc <file1> > <out1>
  nroff -mandoc <file2> > <out2>
  diff -d -u <out1> <out2>

and for groff, using

printf '%s\n%s\n' '.kern 0' '.ss 12 0' | groff -mandoc -Z -

instead of 'nroff -mandoc'

  Add the option '-t', if the file contains a table.

  Read the output from 'diff -d -u ...' with 'less -R' or similar.

-.-.

  If 'man' (man-db) is used to check the manual for warnings,
the following must be set:

  The option "-warnings=w"

  The environmental variable:

export MAN_KEEP_STDERR=yes (or any non-empty value)

  or

  (produce only warnings):

export MANROFFOPT="-ww -b -z"

export MAN_KEEP_STDERR=yes (or any non-empty value)

-.-
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