[wp-trac] [WordPress Trac] #53684: Faulty substitution of German umlauts in slugs and keywords

[WordPress Trac]

#53684: Faulty substitution of German umlauts in slugs and keywords
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 Reporter:  spielautomat4      |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Permalinks         |     Version:  5.7.2
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Changes (by audrasjb):

 * keywords:   => reporter-feedback


Comment:

 Hello and thank you for opening this ticket @spielautomat4,

 What is the locale of your website?
 Are you using any translation/multilingual plugin?

 If you website uses the `de_DE` locale, it should convert `ß` to `ss` and
 `ä` to `ae`.

 Here is the related source code of remove_accent() function in 5.7.2:
 https://core.trac.wordpress.org/browser/tags/5.7.2/src/wp-
 includes/formatting.php#L1922

 {{{
         // Used for locale-specific rules.
         $locale = get_locale();

         if ( in_array( $locale, array( 'de_DE', 'de_DE_formal', 'de_CH',
 'de_CH_informal', 'de_AT' ), true ) ) {
             $chars['Ä'] = 'Ae';
             $chars['ä'] = 'ae';
             $chars['Ö'] = 'Oe';
             $chars['ö'] = 'oe';
             $chars['Ü'] = 'Ue';
             $chars['ü'] = 'ue';
             $chars['ß'] = 'ss';
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/53684#comment:1>
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