Re: unicode Digest V12 #108

From: Andrew Miller <>
Date: Sat, 2 Jul 2011 15:59:18 +0100

> From: Philippe Verdy <>
> Date: Sat, 2 Jul 2011 15:59:18 +0200
> Subject: Re: ch ligature in a monospace font
> 2011/7/1 Richard Wordingham <>:
> > I wonder if anyone has some statistics on the use of CGJ.  Its revised
> > intended use was to disrupt collating sequences, but you may be right
> > about its most frequent use being to disrupt canonical reordering.  A
> > few years ago I concluded it wasn't yet safe to type the Welsh place
> > name Llan͏gollen with CGJ.
> Interestingly, I can't have this name being rendered correctly in my
> Chrome version on Windows 7; it just displays the occurence of CGJ as
> a non-spacing dotted box, overwriting the surrounding characters "n"
> and "g" so that the place is completely unreadable.
> I just wonder why Chrome needs to display this control in such a
> disruptive way (I have not checked with other browsers).
> Why do you need CGJ between "n" and "g" ?
> - Is that to make sure that they won't collate as a single element
> "ng" but separately ? How is it different here from the collation of
> "language" where the situation would be similar?
> - Or do you intend to do the reverse, i.e. effectively collate "ng" in
> "Llangollen" as a single element?
> Sorry I don't know Welsh, all I know is that "ng" is a digram of its
> alphabet, which also includes "n" and "g" as separate letters... Other
> digrams are "dd" contrasting with isolated "d", "ff" contrasting with
> isolated "f", "ll" contrasting with isolated "l", "ph" contrasting
> with isolated "p" and "h", "rh" contrasting with isolated "r" and "h",
> and finaly "th" contrasting with isolated "t" and "h".

The "ng" in Llangollen is not the digram "ng" but two separate letters
(unlike the "ll" in the name which is the digram).
Received on Sat Jul 02 2011 - 10:01:50 CDT

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