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Test results: Bidi algorithm in HTML

These tests check whether user agents apply the basic bidirectional algorithm to text in HTML and XHTML documents (with no markup or styling involved).

Summary & conclusions

See the results below for user agents tested. This section summarizes the results of those tests. In what follows, 'HTML' means HTML4.01 or XHTML 1.0 served as text/html. XML means XHTML 1.0 or XHTML 1.1 served as application/xhtml+xml.

All tests worked as expected, ie. the basic bidirectional algorithm is applied correctly to text without markup or styling to bidirectional text for all browsers tested.

Latest results

These are results for the latest versions of each user agent tested. A green background (yes) means that the assertion associated with the test held true; red (no) means that it did not; orange (partially) means that it was only partially true. To view the assertion, click on the text in the left column.

Results are given for four types of document format: H4 (HTML 4.01), XH (XHTML 1.0 served as text/html), X (XHTML 1.0 served as XML), X11 (XHTML 1.1, served as XML), but since all result were the same for the browsers tested, a single cell is used to represent all four test instances.

Basic declarations

UA IE1 IE1 Firefox Opera Safari Chrome
version 8 7 3.5.1 9.64 4.0.1 2.0.172.37
OS XP XP XP XP XP XP
date 20090717 20090717 20090717 20090717 20090717 20090717
directional type, ltr context, hebrew yes yes yes yes yes yes
directional type, ltr context, arabic yes yes yes yes yes yes
directional type, ltr context, hebrew in english yes yes yes yes yes yes
directional type, rtl context, english yes yes yes yes yes yes
directional type, rtl context, english in arabic yes yes yes yes yes yes
directional type, rtl context, english in hebrew yes yes yes yes yes yes
numbers, european yes yes yes yes yes yes
numbers, arabic yes yes yes yes yes yes

Notes:

  1. Internet Explorer doesn't handle pages served as XML, so those tests are ignored in these results.

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Author: Richard Ishida, W3C.

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Content first published 2009-07-22. Last substantive update 2009-07-22 13:00 GMT. This version 2009-07-22 13:00 GMT

For the history of document changes, search for results-bidi-algorithm in the i18n blog.