[wp-trac] [WordPress Trac] #12390: UTF-8 theme files lead to double Byte Order Mark

[WordPress Trac]

#12390: UTF-8 theme files lead to double Byte Order Mark
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 Reporter:  varsity       |       Owner:  hakre     
     Type:  defect (bug)  |      Status:  new       
 Priority:  low           |   Milestone:  Unassigned
Component:  Charset       |     Version:  2.9.2     
 Severity:  normal        |    Keywords:            
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 At some point I switched my theme's header.php to UTF-8. This has led to
 WordPress generating pages with the Unicode Byte Order Mark (hex: EF BB BF
 / ASCII: ) repeated twice: one instance added by the code, correctly,
 and the other inserted when parsing the header file.

 This has come to light thanks to the current Steam beta
 (http://store.steampowered.com/uiupdate/), in which WebKit plain refuses
 to load application/xhtml+xml pages with two BOMs.

 I can't explain  why Chrome and Safari and other browsers don't falter in
 the same way, but it seems unwise to assume that it's because this "double
 BOM" behaviour is acceptable. It should be fixed to prevent future
 problems.

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Ticket URL: <http://core.trac.wordpress.org/ticket/12390>
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