Re: When do you use U+2024 ONE DOT LEADER instead of U+002E FULL STOP?

From: "Karl Pentzlin" <karl-pentzlin@xxxxxxxxxx>
To: <unicode@xxxxxxxxxxx>
Sent: Wednesday, May 28, 2003 9:59 PM
Subject: When do you use U+2024 ONE DOT LEADER instead of U+002E FULL STOP?


> When do you use U+2024 ONE DOT LEADER instead of U+002E FULL STOP?
> Is there a difference of appearance in high quality typesetting?
> - Karl

There seems to be a difference: leaders are expected to be written in sequences 
(sometimes long) to create a dotted line. The complete sequence of leaders then 
seems to be a form of tabulation (sort of whitespacing), and default ignorable, 
unlike the full stop which is a non ignorable punctuation (or a non ignorable 
decimal separator).

Also the sequence of 3 one-dot leaders is not completely an ellipsis 
punctuation, because many typesettings include a tiny space after the ellipsis 
(or after the full dot), this thin space being absent from the isolated leader.

The ellipsis is always a word or token separator, unlike the the full dot which 
maybe part of the same token (for example a decimal or floating or exponential 
number).

So one-dot leaders can safely be replaced by spaces without affecting the 
semantic, unlike the full stop or the ellipsis.



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