[bug #64312] [mmroff] throws spurious Perl warnings if INITR/PIC used

[G. Branden Robinson]

URL:
  <https://savannah.gnu.org/bugs/?64312>

                 Summary: [mmroff] throws spurious Perl warnings if INITR/PIC
used
                   Group: GNU roff
               Submitter: gbranden
               Submitted: Fri 16 Jun 2023 05:23:13 PM UTC
                Category: Macro mm
                Severity: 2 - Minor
              Item Group: Warning/Suspicious behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None


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Follow-up Comments:


-------------------------------------------------------
Date: Fri 16 Jun 2023 05:23:13 PM UTC By: G. Branden Robinson <gbranden>
Affects groff 1.23.0.rc2 and later.


$ file gnu.eps 
gnu.eps: PostScript document text conforming DSC level 2.0, type EPS
$ cat EXPERIMENTS/use-PIC.mm 
.P
.INITR
Hello,
world!
.PIC gnu.eps
Goodbye,
now!
$ ./build/mmroff EXPERIMENTS/use-PIC.mm >| use-PIC.ps 
Use of uninitialized value $max_width in numeric gt (>) at ./build/mmroff line
142.
Use of uninitialized value $max_height in numeric gt (>) at ./build/mmroff
line 143.


Probably caused by this commit.


commit 313497a9664fcb4791b322e4c15508da15f64662
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Sun Oct 9 04:42:52 2022 -0500

    contrib/mm/mmroff.pl: Enable Perl warnings.


...but might suggest a logic error.  Check it.







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