Re: [svgwg] Rotating text

Also note that Unicode's grapheme clusters don't actually cut the mustard when it comes to consonant clusters in scripts like Devanagari (used for Hindi/Marathi/Nepali), Bengali, etc. In these cases the 'conjunct' or 'grapheme' formed by a cluster of consonants, plus possible vowel or other attachments, may need to be treated as a unit, but is composed of more than one 'grapheme cluster'.  There is some discussion going on at the Unicode Consortium at the moment about how this could be improved, but no clear idea yet about what the solution should be.  It's also complicated by the fact that typographic units for a specific script can vary, depending on what typographic operation you're trying to perform.

There's a picture and simple description of this problem at http://r12a.github.io/scripts/tutorial/part3#graphemes

In the meantime, some text is probably needed in specs that says "Watch out though, as sometimes you'll need to use typographic units that are bigger than grapheme clusters!"  

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Received on Monday, 24 April 2017 11:26:19 UTC