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https://issues.apache.org/jira/browse/MYFACES-1782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548007
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Matthias Weßendorf commented on MYFACES-1782:
---------------------------------------------

Well... it is not particular fr_FR.
That is true for all Locale's that have nb-space as groupingSeparator (as fi_FI 
does as well).

In Trinidad NumberConverter we already deal with this...by hard-coded 
replaceing a regular blank ' ' with a nb-space '\u00a0'
That causes a "currency string", like "12\u00a0345,68\u00a0€".
Which obviously has to fail :-)

The "problem" is, that a currency String for those Locale's contains both,
breaking and non-breaking spaces.

The Trinidad "work around" was added because of the mentioned Java API bug, but 
the work around is not complete, but this fix completes it.

> France Locale and NumberConverter doesn't work well with currency strings
> -------------------------------------------------------------------------
>
>                 Key: MYFACES-1782
>                 URL: https://issues.apache.org/jira/browse/MYFACES-1782
>             Project: MyFaces Core
>          Issue Type: Bug
>          Components: JSR-252
>    Affects Versions:  1.2.0
>            Reporter: Matthias Weßendorf
>            Assignee: Matthias Weßendorf
>         Attachments: MYFACES-1782.patch
>
>
> This test-case shows, that there is a failure inside the standard 
> NumberConverter (MyFaces):
> protected void setUp() throws Exception
> {
>    super.setUp();
>    mock = new NumberConverter();
>    mock.setLocale(Locale.FRANCE);
>    FacesContext.getCurrentInstance().getViewRoot().setLocale(Locale.GERMANY);
> }
> public void testFranceLocale()
> {
>    UIInput input = new UIInput();
>     mock.setType("currency");
>     Number number = (Number)
> mock.getAsObject(FacesContext.getCurrentInstance(), input, "12 345,68
> €");
>     assertNotNull(number);
> }
> the grouping_sep should be a nb-space...

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