RE: Question about BreakIterator

[Elisha B. <e....@co...>]

Thanks for the reply.  I was ill for a few days so it has taken me a
while to respond.  As I read and read again your distinction I
understand it less and less!  

To clarify your distinction in a graphic (pun intended) detail:

So the TitleCaseBreakIterator finds the first character in a word and
let's you change it's case and not the case of any other character in
the word; whereas the WordBreakIterator will let you change the case of
the entire word?  Is that it?

Thanks for any help here.

Yours truly,

Elisha Berns
e....@co...

Andy Heninger wrote:
> "Elisha Berns" <e....@co...> asks
>>What does a TitleInstance BreakIterator do (a Title BreakIterator)?
> 
> It finds the start of "word like things" that begin with an alphabetic
> character with case, and that could be upper or lower cased if you
wanted
> to.

More precisely, Unicode 3.2 specified that string titlecasing by default
titlecase the characters at 
the boundaries that this iterator finds, and lowercase all other
characters.

Unicode 4.0 changed this to use the equivalent of the word break
iterator for default string 
titlecasing.

ICU APIs for string titlecasing allow you to pass your favorite break
iterator so that you are in 
control of what characters in a string are titlecased vs. lowercased. If
you pass in no iterator, 
then ICU selects the default according to the Unicode version that the
ICU release implements. By 
default, ICU 2.4, using Unicode 3.2, used the titlecase iterator, while
ICU 2.6, using Unicode 4.0, 
uses the word break iterator.

markus

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