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[bug #57546] [PATCH] make \[dd] transparent for end-of-sentence detectio

From: Dave
Subject: [bug #57546] [PATCH] make \[dd] transparent for end-of-sentence detection
Date: Mon, 6 Jan 2020 17:22:46 -0500 (EST)
User-agent: Mozilla/5.0 (X11; Linux i686; rv:45.0) Gecko/20100101 Firefox/45.0


                 Summary: [PATCH] make \[dd] transparent for end-of-sentence
                 Project: GNU troff
            Submitted by: barx
            Submitted on: Mon 06 Jan 2020 04:22:45 PM CST
                Category: Core
                Severity: 3 - Normal
              Item Group: Warning/Suspicious behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None



The characters \[dd] and \[dg] have nearly identical meanings, so should be
treated identically in text processing.  groff, however, gives \[dg] but not
\[dd] a cflags value of 32.  It is probably better to address this by adding
\[dd] to this category rather than removing \[dg].

Commit 54405b9a made a similar change, adding character (\[cq]) to the
"transparent" set.  Using this commit as a template, I crafted the attached
patch to add \[dd].  It changes all the same files as 54405b9a except
ChangeLog, which will have to be done by whoever applies the patch anyway.


File Attachments:

Date: Mon 06 Jan 2020 04:22:45 PM CST  Name: add_dd_char.patch  Size: 3KiB  
By: barx



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