[bug #55579] Subject: env.cpp: Restoring ".ad l" after ".na" does not work with ".ad"

[Bjarni Ingi Gislason]

URL:
  <https://savannah.gnu.org/bugs/?55579>

                 Summary: Subject: env.cpp: Restoring ".ad l" after ".na" does
not work with ".ad"
                 Project: GNU troff
            Submitted by: bjarniig
            Submitted on: Sat 26 Jan 2019 01:25:58 AM UTC
                Category: Core
                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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Details:

Subject: env.cpp: Restoring ".ad l" after ".na" does not work with ".ad"

  An example:

.pl 20v
.ll 32n
.ad l
Adjustment type is \n(.j.
Line to test line adjustment.
.br
.na
Adjustment type is \n(.j.
Line to test adjustment
.br
.ad
Adjustment type is \n(.j.
Line to test adjustment
.br

  Output with "test-nroff ...":

Adjustment type is 0.  Line to
test line adjustment.
Adjustment type is 0.  Line to
test adjustment
Adjustment  type  is 1.  Line to
test adjustment


  The ".na" request does not change the value '0', but ".ad" increases
it by 1 like any other value that ".na" created (0, 2, 4) from
(1, 3, 5).

  The code for the line adjustment is in the file
"src/roff/troff/env.cpp".






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