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Re: Equation Label wrongly positioned in indented '-mm' (MM) display


From: Damian McGuckin
Subject: Re: Equation Label wrongly positioned in indented '-mm' (MM) display
Date: Mon, 14 Mar 2022 08:42:17 +1100 (AEDT)

On Sun, 13 Mar 2022, Tadziu Hoffmann wrote:

What about defining a new display style that only indents on
the left, not on the right?  I.e., add the following two lines
to m.tmac at the appropriate places:

 .nr ds*format!6 6\"       indent only on the left

and

 .if \\n[ds*format]=6 'in \\n[ds*old-in]u+\\n[Si]n

Or perhaps use -1 instead of 6?  Just an idea

This is a bug in groff's MM. Irrespective of the type of display, the Equation number argument to .EQ should display on the right margin.

I have decade's of files tht I need to have work correctly wirh groff without editing things.

In particular, I have a 40+ page tutorial on using groff with MM from the 90s that worked perfectly on an old SUN workstation with the MM macros. SUN's used AT&T's troff with the original Bell Lab's MM. I am trying to get the source code to display like it did when it was first written and will open-source it when I have finished sorting out the issues.

Stay safe - Damian

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