Bidi reordering of soft hyphen

Richard Wordingham richard.wordingham at
Wed Apr 2 02:36:24 CDT 2014

On Tue, 1 Apr 2014 23:41:48 +0000
"Whistler, Ken" <ken.whistler at> wrote:

> > Is it legitimate to truncate the context to a single line?  The BiDi
> > algorithm is attempting to interpret unlabelled text as embedded
> > text
> > (it's not an arbitrary dance), and in just one line there is no
> > indicator of whether the hyphen is part of the LTR text embedded in
> > RTL text.
> For this discussion, I think yes. See Section 3.4 of UAX #9:
> The following rules describe the logical process of finding the
> correct display order. As opposed to resolution phases, these rules
> act on a per-line basis and are applied after any line wrapping is
> applied to the paragraph.

But it is a *resolution* rule that converts the true hyphen or minus
sign to Bidi Class L; these apply before the scope reduces from
paragraph to line.


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