Re: groff-1.23.0.5077-7dcc8 tmac/tests/an_UR-works.sh failure on CentOS 7.9, Ubuntu 20.04

Colin Watson <[email protected]>
Newsgroups gmane.comp.printing.groff.general
Message-ID <[email protected]>
On Mon, Jan 19, 2026 at 05:57:31PM -0600, G. Branden Robinson wrote:
>[CCing groff@gnu to keep developers informed]
>[CCing Colin Watson as erstwhile groff package maintainer for Ubuntu]

Only in the sense that Ubuntu has never had any changes to its groff 
source package relative to Debian, except for one security update in 
2004.  These days I have rather little direct interest in Ubuntu ...

>At 2026-01-19T16:40:05-0700, Nelson H. F. Beebe wrote:
>> For groff-1.23.0.5077-7dcc8 on CentOS 7.9 and Ubuntu 20.04, I got
>> this failure:
>>
>> FAIL: tmac/tests/an_UR-works.sh
>>
>> Here is the log file:
>> checking HTML output of web URI
>> I/O Error: Couldn't open file '-'
>>
>> checking formatting of web URI with link text (pdf device; hyperlinks disabled)
>> ...FAILED
>> checking formatting of web URI with no link text (pdf device; hyperlinks disabled)
>> ...FAILED
>> I/O Error: Couldn't open file '-'
>>
>> checking formatting of web URI with link text (pdf device; hyperlinks enabled)
>> ...FAILED
>> checking formatting of web URI with no link text (pdf device; hyperlinks enabled)
>> ...FAILED
>> FAIL tmac/tests/an_UR-works.sh (exit status: 1)
>
>I've never seen this failure mode before.
>
>Could some kind of security machinery be interfering with grohtml(1)'s
>substantially complex means of getting things done?

Could be, I guess.  Check for AppArmor denials in the system log?

But it could also be a different pdftotext implementation that doesn't 
understand reading standard input using "-", or something like that.  
Somebody would likely have to trace it in more detail.

-- 
Colin Watson (he/him)                              [[email protected]]
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