[bug #55206] groffer: Uninitialized variable in "main_subs.pl"

[Bjarni Ingi Gislason]

URL:
  <https://savannah.gnu.org/bugs/?55206>

                 Summary: groffer: Uninitialized variable in "main_subs.pl"
                 Project: GNU troff
            Submitted by: bjarniig
            Submitted on: Tue 11 Dec 2018 04:20:04 PM UTC
                Category: None
                Severity: 3 - Normal
              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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Details:

groffer: Uninitialized variable in "main_subs.pl"

  Version: Copy of upstream repository 11th December 2018

  Compiled version, groffer --version:

groffer 2.3.0 is part of groff version 1.22.4.rc2.524-aa6d-dirty.

  File:

.pl 10v
Test dashes
.br
- hyphen
.br
\- minus
.br
\(en en-dash
.br
\(em em-dash

  Command: groffer --mode=text <file>

  Output on standard error:

Use of uninitialized value $_ in pattern match (m//) at
/usr/local/lib/groff/groffer/main_subs.pl line 364, <$fh> line 1.
Use of uninitialized value $arg in substitution (s///) at
/usr/local/lib/groff/groffer/main_subs.pl line 366, <$fh> line 1.
Use of uninitialized value $name in substitution (s///) at
/usr/local/lib/groff/groffer/main_subs.pl line 369, <$fh> line 1.
Use of uninitialized value $name in exists at
/usr/local/lib/groff/groffer/main_subs.pl line 370, <$fh> line 1.
Use of uninitialized value $name in concatenation (.) or string at
/usr/local/lib/groff/groffer/main_subs.pl line 372, <$fh> line 1.
Option '' does not exist.





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