From: Vinod Kumar (email@example.com)
Date: Wed Jan 19 2005 - 02:18:51 CST
Unicode 4.0 Chapter 9.1 Page 223 states "The ZERO WIDTH JOINER denotes
a nonvisible letter..". The standard itself shows the shape of ZWJ
as the letters ZWJ within a dotted box. Fonts from Microsoft Typography
depict it as a Magic wand.
The Unicode standard seems to imply that the display of ZWJ should
not be visible at all. If it is displayed as a visible sign, then
production shaping software would have to use the ZWJ for shaping
and then expunge the ZWJ. Won't it be better to make it invisible
so that we need not worry about expunging it.
For testing purpose, a visible form is better as otherwise it may
be difficult to track down shaping curiosities with invisible players.
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