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[bug #60782] groff: doesn't exit with status 1 when .ab request used wit

From: G. Branden Robinson
Subject: [bug #60782] groff: doesn't exit with status 1 when .ab request used with -Thtml
Date: Tue, 15 Jun 2021 15:45:06 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 
URL:
  <https://savannah.gnu.org/bugs/?60782>

                 Summary: groff: doesn't exit with status 1 when .ab request
used with -Thtml
                 Project: GNU troff
            Submitted by: gbranden
            Submitted on: Tue 15 Jun 2021 07:45:04 PM 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

    _______________________________________________________

Details:

The HTML output driver is not consistent with others.  It always emits a blank
document even if there were no text lines in the input, and worse, it doesn't
exit with a nonzero status if the .ab request was used.


$ for D in ps pdf utf8 ascii latin1 lj4 lbp dvi X100-12 html; do echo ".ab" |
groff -T$D; if [ $? != 1 ]; then echo groff -T$D exited with wrong status; fi;
done
User Abort.
User Abort.
User Abort.
User Abort.
User Abort.
User Abort.
User Abort.
User Abort.
User Abort.
User Abort.
<!-- Creator     : groff version 1.22.4 -->
<!-- CreationDate: Tue Jun 15 19:43:48 2021 -->
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd";>
<html>
<head>
<meta name="generator" content="groff -Thtml, see www.gnu.org">
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<meta name="Content-Style" content="text/css">
<style type="text/css">
       p       { margin-top: 0; margin-bottom: 0; vertical-align: top }
       pre     { margin-top: 0; margin-bottom: 0; vertical-align: top }
       table   { margin-top: 0; margin-bottom: 0; vertical-align: top }
       h1      { text-align: center }
</style>
<title></title>
</head>
<body>

<hr>
<hr>
</body>
</html>
User Abort.
groff -Thtml exited with wrong status





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