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Subject: bug#74502: grep.in.1: Some remarks about this man page
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Date: Sun, 24 Nov 2024 01:06:23 +0000
From: Bjarni Ingi Gislason <bjarniig@HIDDEN>
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Package: grep
Version: upstream
Severity: minor
Following comes from the next version of "groff" (> 1.23.0).
* What led up to the situation?
Checking for defects with
test-[g|n]roff -mandoc -t -K utf8 -rF0 -rHY=0 -ww -b -z < "man page"
[Use "groff -e ' $' <file>" to find 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?
troff: backtrace: file '<stdin>':14
troff:<stdin>:14: error: character '|' is not allowed as a delimiter
troff: backtrace: file '<stdin>':15
troff:<stdin>:15: warning: missing closing delimiter in output comparison operator; expected a special character, got a newline
troff: backtrace: file '<stdin>':27
troff:<stdin>:27: error: character '|' is not allowed as a delimiter
troff: backtrace: file '<stdin>':27
troff:<stdin>:27: warning: expected numeric expression, got a space
* What outcome did you expect instead?
No output (no warnings).
-.-
General remarks and further material, if a diff-file exist, are in the
attachments.
--k9aK/vUGfkRbR4VJ
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename="chk_man.err.grep.in.1"
Input file is grep.in.1
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>
The same goes for man pages that are used as an input.
For a style guide use
mandoc -T lint
-.-
So any 'generator' should check its products with the above mentioned
'groff', 'mandoc', and additionally with 'nroff ...'.
This is just a simple quality control measure.
The 'generator' may have to be corrected to get a better man page,
the source file may, and any additional file may.
Common defects:
Input text line longer than 80 bytes.
Not removing trailing spaces (in in- and output).
The reason for these trailing spaces should be found and eliminated.
Not beginning each input sentence on a new line.
Lines should thus be shorter.
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 -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 of 'diff -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)
-.-
Output from "test-groff -mandoc -t -ww -b -z grep.in.1 ": (shortened list)
2 character '|' is not allowed as a delimiter
1 expected numeric expression, got a space
-.-.
-.-.
Output from "test-groff -mandoc -t -K utf8 -rF0 -rHY=0 -ww -b -z ":
troff: backtrace: file '<stdin>':14
troff:<stdin>:14: error: character '|' is not allowed as a delimiter
troff: backtrace: file '<stdin>':15
troff:<stdin>:15: warning: missing closing delimiter in output comparison operator; expected a special character, got a newline
troff: backtrace: file '<stdin>':27
troff:<stdin>:27: error: character '|' is not allowed as a delimiter
troff: backtrace: file '<stdin>':27
troff:<stdin>:27: warning: expected numeric expression, got a space
--k9aK/vUGfkRbR4VJ--
Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) Content-Type: text/plain; charset=utf-8 X-Loop: help-debbugs@HIDDEN From: help-debbugs@HIDDEN (GNU bug Tracking System) To: Bjarni Ingi Gislason <bjarniig@HIDDEN> Subject: bug#74502: Acknowledgement (grep.in.1: Some remarks about this man page) Message-ID: <handler.74502.B.17324108695920.ack <at> debbugs.gnu.org> References: <173240980709.75873.7649836842735298032.reportbug@HIDDEN> X-Gnu-PR-Message: ack 74502 X-Gnu-PR-Package: grep Reply-To: 74502 <at> debbugs.gnu.org Date: Sun, 24 Nov 2024 01:15:02 +0000 Thank you for filing a new bug report with debbugs.gnu.org. This is an automatically generated reply to let you know your message has been received. Your message is being forwarded to the package maintainers and other interested parties for their attention; they will reply in due course. Your message has been sent to the package maintainer(s): bug-grep@HIDDEN If you wish to submit further information on this problem, please send it to 74502 <at> debbugs.gnu.org. Please do not send mail to help-debbugs@HIDDEN unless you wish to report a problem with the Bug-tracking system. --=20 74502: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D74502 GNU Bug Tracking System Contact help-debbugs@HIDDEN with problems
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Subject: bug#74502: grep.in.1: Some remarks about this man page
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From: Paul Eggert <eggert@HIDDEN>
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Thanks, but that's a recently-introduced groff bug. I reported it here:
https://savannah.gnu.org/bugs/index.php?66481
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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Paul Eggert <eggert@HIDDEN>
Subject: bug#74502: closed (grep.in.1: Some remarks about this man page)
CC: tracker <at> debbugs.gnu.org
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Date: Sun, 24 Nov 2024 01:06:23 +0000
From: Bjarni Ingi Gislason <bjarniig@HIDDEN>
To: bug-grep@HIDDEN
Subject: grep.in.1: Some remarks about this man page
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--k9aK/vUGfkRbR4VJ
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Package: grep
Version: upstream
Severity: minor
Following comes from the next version of "groff" (> 1.23.0).
* What led up to the situation?
Checking for defects with
test-[g|n]roff -mandoc -t -K utf8 -rF0 -rHY=0 -ww -b -z < "man page"
[Use "groff -e ' $' <file>" to find 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?
troff: backtrace: file '<stdin>':14
troff:<stdin>:14: error: character '|' is not allowed as a delimiter
troff: backtrace: file '<stdin>':15
troff:<stdin>:15: warning: missing closing delimiter in output comparison operator; expected a special character, got a newline
troff: backtrace: file '<stdin>':27
troff:<stdin>:27: error: character '|' is not allowed as a delimiter
troff: backtrace: file '<stdin>':27
troff:<stdin>:27: warning: expected numeric expression, got a space
* What outcome did you expect instead?
No output (no warnings).
-.-
General remarks and further material, if a diff-file exist, are in the
attachments.
--k9aK/vUGfkRbR4VJ
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename="chk_man.err.grep.in.1"
Input file is grep.in.1
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>
The same goes for man pages that are used as an input.
For a style guide use
mandoc -T lint
-.-
So any 'generator' should check its products with the above mentioned
'groff', 'mandoc', and additionally with 'nroff ...'.
This is just a simple quality control measure.
The 'generator' may have to be corrected to get a better man page,
the source file may, and any additional file may.
Common defects:
Input text line longer than 80 bytes.
Not removing trailing spaces (in in- and output).
The reason for these trailing spaces should be found and eliminated.
Not beginning each input sentence on a new line.
Lines should thus be shorter.
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 -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 of 'diff -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)
-.-
Output from "test-groff -mandoc -t -ww -b -z grep.in.1 ": (shortened list)
2 character '|' is not allowed as a delimiter
1 expected numeric expression, got a space
-.-.
-.-.
Output from "test-groff -mandoc -t -K utf8 -rF0 -rHY=0 -ww -b -z ":
troff: backtrace: file '<stdin>':14
troff:<stdin>:14: error: character '|' is not allowed as a delimiter
troff: backtrace: file '<stdin>':15
troff:<stdin>:15: warning: missing closing delimiter in output comparison operator; expected a special character, got a newline
troff: backtrace: file '<stdin>':27
troff:<stdin>:27: error: character '|' is not allowed as a delimiter
troff: backtrace: file '<stdin>':27
troff:<stdin>:27: warning: expected numeric expression, got a space
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Subject: Re: bug#74502: grep.in.1: Some remarks about this man page
From: Paul Eggert <eggert@HIDDEN>
To: Bjarni Ingi Gislason <bjarniig@HIDDEN>
References: <173240980709.75873.7649836842735298032.reportbug@HIDDEN>
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--------------1sP1zRnSTSq0S012eXnIrL6L
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
On 11/23/24 18:17, Paul Eggert wrote:
> that's a recently-introduced groff bug. I reported it here:
>
> https://savannah.gnu.org/bugs/index.php?66481
From the followup to that groff bug report, it appears that the groff
maintainers don't consider this to be a bug, though they do say it is a
compatibility issue. To work around this for grep, I installed the first
attached patch. I noticed some other glitches too (some with traditional
troff) and installed the second attached patch while I was in the
neighborhood.
Closing the bug report. Thanks again for reporting the issue.
--------------1sP1zRnSTSq0S012eXnIrL6L
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To: Bjarni Ingi Gislason <bjarniig@HIDDEN>
Subject: bug#74502: closed (Re: bug#74502: grep.in.1: Some remarks about
this man page)
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Your bug report
#74502: grep.in.1: Some remarks about this man page
which was filed against the grep package, has been closed.
The explanation is attached below, along with your original report.
If you require more details, please reply to 74502 <at> debbugs.gnu.org.
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74502: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D74502
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Subject: Re: bug#74502: grep.in.1: Some remarks about this man page
From: Paul Eggert <eggert@HIDDEN>
To: Bjarni Ingi Gislason <bjarniig@HIDDEN>
References: <173240980709.75873.7649836842735298032.reportbug@HIDDEN>
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On 11/23/24 18:17, Paul Eggert wrote:
> that's a recently-introduced groff bug. I reported it here:
>
> https://savannah.gnu.org/bugs/index.php?66481
From the followup to that groff bug report, it appears that the groff
maintainers don't consider this to be a bug, though they do say it is a
compatibility issue. To work around this for grep, I installed the first
attached patch. I noticed some other glitches too (some with traditional
troff) and installed the second attached patch while I was in the
neighborhood.
Closing the bug report. Thanks again for reporting the issue.
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Date: Sun, 24 Nov 2024 01:06:23 +0000
From: Bjarni Ingi Gislason <bjarniig@HIDDEN>
To: bug-grep@HIDDEN
Subject: grep.in.1: Some remarks about this man page
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Package: grep
Version: upstream
Severity: minor
Following comes from the next version of "groff" (> 1.23.0).
* What led up to the situation?
Checking for defects with
test-[g|n]roff -mandoc -t -K utf8 -rF0 -rHY=0 -ww -b -z < "man page"
[Use "groff -e ' $' <file>" to find 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?
troff: backtrace: file '<stdin>':14
troff:<stdin>:14: error: character '|' is not allowed as a delimiter
troff: backtrace: file '<stdin>':15
troff:<stdin>:15: warning: missing closing delimiter in output comparison operator; expected a special character, got a newline
troff: backtrace: file '<stdin>':27
troff:<stdin>:27: error: character '|' is not allowed as a delimiter
troff: backtrace: file '<stdin>':27
troff:<stdin>:27: warning: expected numeric expression, got a space
* What outcome did you expect instead?
No output (no warnings).
-.-
General remarks and further material, if a diff-file exist, are in the
attachments.
--k9aK/vUGfkRbR4VJ
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename="chk_man.err.grep.in.1"
Input file is grep.in.1
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>
The same goes for man pages that are used as an input.
For a style guide use
mandoc -T lint
-.-
So any 'generator' should check its products with the above mentioned
'groff', 'mandoc', and additionally with 'nroff ...'.
This is just a simple quality control measure.
The 'generator' may have to be corrected to get a better man page,
the source file may, and any additional file may.
Common defects:
Input text line longer than 80 bytes.
Not removing trailing spaces (in in- and output).
The reason for these trailing spaces should be found and eliminated.
Not beginning each input sentence on a new line.
Lines should thus be shorter.
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 -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 of 'diff -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)
-.-
Output from "test-groff -mandoc -t -ww -b -z grep.in.1 ": (shortened list)
2 character '|' is not allowed as a delimiter
1 expected numeric expression, got a space
-.-.
-.-.
Output from "test-groff -mandoc -t -K utf8 -rF0 -rHY=0 -ww -b -z ":
troff: backtrace: file '<stdin>':14
troff:<stdin>:14: error: character '|' is not allowed as a delimiter
troff: backtrace: file '<stdin>':15
troff:<stdin>:15: warning: missing closing delimiter in output comparison operator; expected a special character, got a newline
troff: backtrace: file '<stdin>':27
troff:<stdin>:27: error: character '|' is not allowed as a delimiter
troff: backtrace: file '<stdin>':27
troff:<stdin>:27: warning: expected numeric expression, got a space
--k9aK/vUGfkRbR4VJ--
------------=_1742588762-7665-1--
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