URL:
<https://savannah.gnu.org/bugs/?58500>
Summary: default value for second parameter to .ss should
follow modern typographic convention
Project: GNU troff
Submitted by: barx
Submitted on: Thu 04 Jun 2020 11:23:42 PM CDT
Category: Core
Severity: 3 - Normal
Item Group: New feature
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Planned Release: None
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Details:
As mentioned in passing in bug #58450, typographic convention of the last
70-100 years has been to use the same amount of space between sentences as
between words.
groff allows the user to specify any amount, including none, of additional
inter-sentence space to add. This flexibility is good.
However, by default, groff should follow modern typographic convention. This
would require the default value of sentence_space_size (register \n[.sss]) be
0. Instead, currently:
* If a document never calls the .ss request, groff defaults to a value of 12
for word_space_size and 12 for sentence_space_size.
* If a document calls the .ss request but with only one argument
(word_space_size), groff sets sentence_space_size to be equal to
word_space_size.
In both these cases, the default sentence_space_size should be 0.
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