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These tests check how characters in the C1 range of ISO code pages (ie. 0x80-0x9F) are displayed for pages with ISO 8859-1 and ISO 8859-15 encodings declared using the HTML5 charset attribute, and whether their presence affects the encoding reported by the user agent.
See the results below for user agents tested. This section summarizes the results of those tests.
This is a summary of the basic test results.
All browsers tested displayed characters in the C1 range as per Windows cp1252 when the encoding of the document was set to ISO 8859-1. However, the two browsers that indicate the encoding of the document through the pull-down encoding menu on the user interface (IE and Firefox) did not report that the encoding had been changed to cp1252.
For test two, it is assumed that IE and Safari are trying to display cp1252 characters for which there are no font glyphs. For Firefox, the behaviour is clear, since the results are different from those of test 4.
C1 range characters are not displayed as cp1252 characters in any browser when the encoding is ISO 8859-15.
Only Firefox uses the Unicode replacement character for characters in the C1 range when the encoding is ISO 8859-15. Since these characters map to Unicode characters that are unused by the HTML standard, one would have expected all browsers to use the replacement character.
All browsers displayed characters above the C1 range as expected for the declared encoding.
These are results for the latest versions of each browser tested. Green (yes) means the results are consistent with the encoding declared in the document, or with the default encoding; Red (no) means the results were not. Ochre is used where the results are unclear. Numbers in the table relate to notes immediately below.
| UA | IE | Firefox | Safari | IE | |
|---|---|---|---|---|---|
| version | 7 | 3.0.1 | 3.1.2 | 8 Beta | |
| OS | XP | XP | XP | XP | |
| date | 20080718 | 20080718 | 20080718 | 20080718 | |
| 1 ISO 8859-1, C1 cp1252 | C1 results | cp1252 1 | cp1252 1 | cp1252 1 | cp1252 1 |
| >C1 results | yes | yes | yes | yes | |
| Reported encoding | yes | yes | n/a | yes | |
| 2 ISO 8859-1, C1 cp1256 | C1 results | ▯ 4 |  5 |
_ 6 | ▯ 4 |
| >C1 results | yes | yes | yes | yes | |
| Reported encoding | yes | yes | n/a | yes | |
| 3 ISO 8859-15, C1 cp1252 | C1 results | ▯ 4 | � 3 | _ 6 | ▯ 4 |
| >C1 results | yes | yes | yes | yes | |
| Reported encoding | yes | yes | n/a | yes | |
| 4 ISO 8859-15, C1 cp1256 | C1 results | ▯ 4 | � 3 | _ 6 | ▯ 4 |
| >C1 results | yes | yes | yes | yes | |
| Reported encoding | yes | yes | n/a | yes |
Notes:
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Content first published 2008-08-01. Last substantive update 2008-08-01 10:42 GMT. This version 2008-08-01 10:42 GMT
For the history of document changes, search for results-css-lang in the i18n blog.
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