[bug #63739] [mm] make nP work more like DWB mm?

[G. Branden Robinson]

URL:
  <https://savannah.gnu.org/bugs/?63739>

                 Summary: [mm] make nP work more like DWB mm?
                 Project: GNU troff
               Submitter: gbranden
               Submitted: Thu 02 Feb 2023 03:25:23 AM UTC
                Category: Macro mm
                Severity: 1 - Wish
              Item Group: Feature change
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None


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Follow-up Comments:


-------------------------------------------------------
Date: Thu 02 Feb 2023 03:25:23 AM UTC By: G. Branden Robinson <gbranden>
A difference between DWB mm and groff mm has been around for as long as groff
mm itself, but seems never to have been documented or commented upon, as far
as I can tell.  In Git it is now documented.


.IP \[bu]
DWB
.IR mm 's
.B nP
macro indented the second line of a paragraph to align it with the start
of the text of the first
(after the paragraph number);
.IR "groff mm" 's
does not.


There is no output line count argument to the `ti` request, so I suppose this
would be done with with a diversion and a diversion trap to set a temporary
indent for the second output line.

This ticket is to gather views on whether this would be worth implementing.







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