RE: Vai word boundaries and line breaking

> From: Michael Everson [mailto:[email protected]]

> Modern Vai always uses spaces between words. As in the Bible I have
> here. Manuscript Vai is less scrupulous about this, but the Right
> Thing To Do is treat the syllables like Cherokee syllables... that
> is, like Latin letters.

OK; that's helpful.


> >L2/05-159R has a section on line breaking that indicates that line
> >breaks are not permitted before SYLLABLE LENGTHENER or before NG.
> >Looking at the beta UCD files, though, it appears that NG (A60B) has
> >the same line breaking property as regular syllables (AL); it's not
> >clear to me if that's intended or not.
>
> That is Ken's bailiwick I guess.

Well, I think Ken is dependent, like me, on the script experts out there spec'ing the desired behaviour.


> >The LENGTHENER (A60C) has linebreak = EX, as does FULL STOP (A60E);
> >this strongly blocks break before. COMMA (060D) and QUESTION MARK
> >(A60F) have linebreak = BA, which less-strongly blocks break before.
> >(EX allows preceding break only after hard line break or ZWSP; BA
> >also allows a preceding break after spaces (SP) or FFFC).
>
> I can't say I know how to evaluate this.

Consider this an invitation for any of the people that were involved in the Vai proposal or with any with a connection to the primary user community, to review the Unicode 5.1 beta UCD files and provide feedback as needed.



Peter