bugGNU roff - Bugs: bug #40963, [UPGRADE] implement...

 
 

bug #40963: [UPGRADE] implement shrinkable/squeezable adjustable space

Submitter:  Dave <barx>
Submitted:  Thu 19 Dec 2013 03:59:37 AM UTC
   
 
Category:  Core Severity:  4 - Important
Item Group:  Feature change Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open Planned Release:  None
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Sun 04 Feb 2024 04:35:55 AM UTC, comment #4: 

comment #2:

> Heirloom troff maintains AT&T troff's original units (1/36 em)
> for its .ss request,


I should scuttle my attempt to spread misinformation.

CSTR #54 documented that .ss used 36ths of an em as its unit, but this claim was incorrect for all known AT&T troffs (though Heirloom troff went ahead and made it correct for itself).  http://lists.gnu.org/r/groff/2023-05/msg00060.html and its couple of immediate follow-ups are the posts in a very long thread that best illustrate this.

Dave <barx>
Group Member
Sun 04 Feb 2024 03:37:23 AM UTC, comment #3: 

Retitling because I had trouble finding this with the keywords that sprang immediately to mind.

G. Branden Robinson <gbranden>
Group administrator
Wed 10 May 2023 06:23:22 PM UTC, comment #2: 

Heirloom troff has the .minss request to let users specify how much shrinkage they'll allow to their spaces.

Unlike groff, Heirloom troff maintains AT&T troff's original units (1/36 em) for its .ss request, and also uses these for .minss.

Dave <barx>
Group Member
Fri 03 Jun 2022 09:38:43 PM UTC, comment #1: 

The message in question motivating the "[UPGRADE]" tag on this ticket is Werner Lemberg's message of 15 November 2013.

G. Branden Robinson <gbranden>
Group administrator
Thu 19 Dec 2013 03:59:37 AM UTC, original submission:  

Perhaps the third entry in the list of the most important improvements to GNU troff: shrinkable space.  I guess that this has to be implemented while adding support for TeX-like paragraph formatting (bug 40716).

(This upgrade request is an addendum to Werner Lemberg's list of the highest priority major upgrades groff needs.  The paragraph above is the upgrade description in his own words.  This item was an addendum to his original list; the thread in which it arose on the groff email list is archived at http://lists.gnu.org/archive/html/groff/2013-11/msg00079.html.)

Dave <barx>
Group Member

 

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    Follow 8 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2024-02-04 gbranden Summary[UPGRADE] implement shrinkable space [UPGRADE] implement shrinkable/squeezable adjustable space
    2022-06-03 gbranden SummaryUPGRADE: implement shrinkable space [UPGRADE] implement shrinkable space
    2020-10-13 bgarrigues Planned Release1.23.0 None
    2018-11-25 bgarrigues Planned ReleaseNone 1.23.0
    2018-11-25 bgarrigues CategoryNone Core
    2018-11-25 bgarrigues Severity1 - Wish 4 - Important
    2018-02-16 schwarze Severity3 - Normal 1 - Wish
        Item GroupNone Feature change

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