[bug #66251] different behaviour of options '-man' and '-mandoc' regarding register 'IN'

[Bjarni Ingi Gislason]

URL:
  <https://savannah.gnu.org/bugs/?66251>

                 Summary: different behaviour of options '-man' and '-mandoc'
regarding register 'IN'
                   Group: GNU roff
               Submitter: bjarniig
               Submitted: Wed 25 Sep 2024 08:35:25 AM UTC
                Category: Macro package - others/general
                Severity: 3 - Normal
              Item Group: Incorrect 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: Wed 25 Sep 2024 08:35:25 AM UTC By: Bjarni Ingi Gislason <bjarniig>
Subject: different behaviour of options '-man' and '-mandoc' regarding
register 'IN'

"nroff" is the current released version

nroff --version: GNU nroff (groff) version 1.23.0

nroff -man -ww -z <input file>:


.i is 0u, IN is 168u, .p is 2640u
.i is 0u, IN is 168u, .p is 2720u
.i is 168u, IN is 168u, .p is 2720u
1 em is 24u
Current indent is 336u, IN is 168u, .p is 2720u
Current indent is now 144u, IN is 168u, .p is 2720u 

-.-

nroff -mandoc -ww -z <input file>:

.i is 0u, IN is troff:/home/bg/testen/prof.indent:1: warning: register 'IN'
not defined
0u, .p is 2640u
.i is 0u, IN is 0u, .p is 2720u
.i is 0u, IN is 0u, .p is 2720u
1 em is 24u
Current indent is 0u, IN is 0u, .p is 2720u
troff:/home/bg/testen/prof.indent:15: warning: indent cannot be negative
Current indent is now 0u, IN is 0u, .p is 2720u 

  The input file is in the attachment.







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Name: prof.indent  Size: 568B
<https://file.savannah.gnu.org/file/prof.indent?file_id=56451>

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