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This page summarises results for a series of tests that seek to establish how user agents support line breaking around Unicode space and word joiner characters.
This page summarises results for a series of tests that seek to establish how user agents support line breaking around Unicode spacing and joining characters, and compares that to the Unicode Standard Annex #14 Line Breaking Properties. Where the behaviour described in the Annex for the characters is normative, the name of the character is followed by an asterisk.
For each test on each user agent, Y indicates that the line was broken between the words on either side of the character being examined, N indicates that it was not broken. Mouse over the abbreviated headings to see the full name of the character.
| zwsp | Ideog. sp | en sp | em sp | 3/em sp | 4/em sp | 6/em sp | en q | em q | punc sp | hair sp | thin sp | ogham sm | mmsp | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| IE 6.0 | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | N |
| Firefox 1.0PR | Y | Y | N | N | N | N | N | N | N | N | N | N | N | N |
| Mozilla 1.7.2 | Y | Y | N | N | N | N | N | N | N | N | N | N | N | N |
| Navigator 7.1 | Y | Y | N | N | N | N | N | N | N | N | N | N | N | N |
| Opera 7.54 | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| nbsp | nnbsp | fig sp | mvs | wj | zwnbsp | cgj | nbh | tmd | |
|---|---|---|---|---|---|---|---|---|---|
| IE 6.0 | N | N | N | N | N | N | N | N | N |
| Firefox 1.0PR | N | N | N | N | N | N | N | N | N |
| Mozilla 1.7.2 | N | N | N | N | N | N | N | N | N |
| Navigator 7.1 | N | N | N | N | N | N | N | N | N |
| Opera 7.54 | N | N | N | N | N | N | N | N | N |
This summarises the results for the versions tested.
Opera supports behaviour as described in the Unicode Annex for all characters.
Internet Explorer and the Gecko-based browsers keep text together wherever a joiner is used, but do not split text where expected on all spaces. In the case of Internet Explorer, this amounts to only two characters. In the Gecko case, only two characters behave as expected.
I18N Test Suite: Line break 1 http://www.w3.org/International/tests/sec-line-break-1
Unicode Standard Annex #14 Line Breaking Properties http://www.unicode.org/reports/tr14/
Content created 21 October, 2004. Last update 2004-10-21 13:11 GMT
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