[Bug 20677] New: Webkit wraps between hyphen�minus and numeric characters

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=20677

           Summary: Webkit wraps between hyphen–minus and numeric characters
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
               URL: http://irowan.com/hyphenminuswrapping.html
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Enhancement
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rowan at irowan.com


Webkit currently treats all hyphen–minus characters as a location which can be
wrapped after.  In the case of hyphen-minus followed by numeric class
characters, the hyphen-minus almost certainly indicates a negative and this
rule should not be applied.

Very basicbackground: Hyphen-minus ("-") is the ambiguous hyphen/minus/dash
character used on typewriters and computers for general use; most systems
output negative numbers by prepending a hyphen–minus in front of the value. 
Separating the hyphen-minus from the number by means of a wrap changes the
appearance of a number drastically.

The unicode site/standard/recommendations (I've no idea where on the site this
is located!) includes line breaking rules at
http://www.unicode.org/unicode/reports/tr14/tr14-14.html#Algorithm .  Scroll
down to LB18 to see the recommendation for hyphen characters followed by
numeric characters - not recommended.

This would improve the tabular display of numbers greatly.  There are however a
few cases where it probably wouldn't be desirable – US–formatted phone numbers
(0123-456-789), for example.

See URL for a basic example.


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