to tilde or not to tilde
Paulo Ney de Souza
pauloney at gmail.com
Mon Oct 7 00:15:33 CEST 2019
Dear Thomas Schneider,
NO centered mathematical formula should contain any punctuation at the end
of the line -- even if it is to terminate a sentence.
Punctuation have a role in typography -- to introduce a pause at reading --
and with a centered formula that pause already EXIST. The correct is:
A = \pi r ^2
even if it is ending a sentence or a paragraph.
On Sun, Oct 6, 2019 at 1:41 PM Thomas Schneider via texhax <texhax at tug.org>
> Dear TexHaxers:
> In a paper we are finishing, my co-author, a physicist, added a tilde
> '~' in front of the period '.' or comma ',' at the end of equations,
> for example
> A = \pi r ^2 ~.
> He says ``It is a stylistic convention that some physicists use. But
> it's not universal practice.''
> Is it a typographically recommended practice or should it be avoided?
> Here's a minimal example for you to try:
> Here's an example without a tilde:
> A = \pi r ^2.
> Here's an example with a tilde:
> A = \pi r ^2 ~. \\
> Thomas D. Schneider, Ph.D.
> Senior Investigator
> National Institutes of Health
> National Cancer Institute
> Center for Cancer Research
> RNA Biology Laboratory
> Biological Information Theory Group
> Frederick, Maryland 21702-1201
> schneidt at mail.nih.gov
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