[bug #64628] [pic] generated `lf` requests no longer set file name

[G. Branden Robinson]

Update of bug #64628 (project groff):

                  Status:                    None => Confirmed              
             Assigned to:                    None => gbranden               
                 Summary: [pic] regression, first ".lf" line no longer shows
the  filename => [pic] generated `lf` requests no longer set file name

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Follow-up Comment #1:

I don't find this report terribly helpful, but digging in, I was able to craft
some input and identify something I do consider a problem.


$ cat EXPERIMENTS/simple-picture.roff
.tm GBR1: .F=\n(.F
.PS
circle;
.PE
.tm GBR2: .F=\n(.F
$ /usr/bin/groff -ap EXPERIMENTS/simple-picture.roff | cat -s # groff 1.22.4
GBR1: .F=EXPERIMENTS/simple-picture.roff
GBR2: .F=EXPERIMENTS/simple-picture.roff
<beginning of page>
 

$ groff -ap EXPERIMENTS/simple-picture.roff | cat -s # groff 1.23.0
GBR1: .F=EXPERIMENTS/simple-picture.roff
GBR2: .F=EXPERIMENTS/simple-picture.roff
<beginning of page>
 

$ ./build/test-groff -ap EXPERIMENTS/simple-picture.roff | cat -s
GBR1: .F=<standard input>
GBR2: .F=<standard input>
<beginning of page>
 



So there is indeed a regression from 1.23.0 here.


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