c.dillon at ucl.ac.uk
Mon May 9 13:43:44 UTC 2016
Thank you for your thoughts on digraphs.
In that case, we would have blocked variants like i, dotless i and iota, where application for a label containing one, would block applications for labels containing any of the others.
We would also have blocked variants, digraphs like ĳ, which could never be allocated at all. If we need to do this, it will be necessary to describe variants for ligature code points we have not yet analysed in the Latin ranges, as they aren’t in MSR2.
(This distinction is what I was finding difficult during the face-to-face meeting in Marrakech.)
Incidentally, I’m fairly sure two code points could be a variant of one. ( I wonder what happens with the Arabic ligature of laam and alif that looks like Greek gamma; in Urdu the two do not combine so closely, if at all.)
Research Associate in Linguistic Computing, Centre for Digital Humanities, UCL, Gower St, London WC1E 6BT Tel +44 20 7679 1599 (int 31599) www.ucl.ac.uk/dis/people/chrisdillon<http://www.ucl.ac.uk/dis/people/chrisdillon>
From: Meikal Mumin [mailto:meikal.mumin at uni-koeln.de]
Sent: 09 May 2016 09:38
To: Dillon, Chris <c.dillon at ucl.ac.uk>
Cc: latingp at icann.org
Subject: Re: [Latingp] Digraphs
Dear Chris and colleagues,
apologies for the late reply. I believe we don't need to exclude digraphs. We could simply set them up as variants, e.g. ĳ as equivalent of i + j. It could be useful to verify with IP, if it is possible to declare a sequence of two code-points as a variant of one - we had not encountered such a case with Arabic script.
2016-03-29 9:54 GMT+02:00 Dillon, Chris <c.dillon at ucl.ac.uk<mailto:c.dillon at ucl.ac.uk>>:
Mirjana’s recent research on Montenegrin has raised some interesting issues.
One of them is diagraphs.
Currently we have digraphs like æ and œ in our repertoire, but Dutch ĳ (U+0133) as in vĳf ‘five’ is white in MSR-2 (not compatible with IDNA 2008). Certainly many digraphs, including ĳ are visually similar to their component letters. We could consider adding all digraphs to the list of criteria for exclusion, or adding them with exceptions (less good from a usability point of view). Incidentally, ß and & are probably excluded for other reasons, Longevity Principle and Punctuation, respectively.
What do you think?
Français: Qu’est-ce qu’on devrait faire avec les digraphs dans notre répertoire – les permettre ou pas?
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