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<title>[37669] trunk/src/wp-includes/formatting.php: Docs: Add extensive documentation to the `remove_accents()` DocBlock outlining the accented characters core replaces.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/37669">37669</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/37669","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>DrewAPicture</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2016-06-09 19:13:09 +0000 (Thu, 09 Jun 2016)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Docs: Add extensive documentation to the `remove_accents()` DocBlock outlining the accented characters core replaces.

Covers:
* Currency signs
* Decompositions for Latin-1 Supplement
* Decompositions for Latin Extended-A
* Decompositions for Latin Extended-B
* Vowels with diacritic (Chinese, Hanyu Pinyin)
* Characters replaced for the `de_DE`, `de_DE_formal`, and `da_DK` locales 

Props john_schlick for the initial work.
Props DrewAPicture, ocean90.

See <a href="https://core.trac.wordpress.org/ticket/34677">#34677</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesformattingphp">trunk/src/wp-includes/formatting.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesformattingphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/formatting.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/formatting.php      2016-06-09 19:06:25 UTC (rev 37668)
+++ trunk/src/wp-includes/formatting.php        2016-06-09 19:13:09 UTC (rev 37669)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1124,6 +1124,365 @@
</span><span class="cx" style="display: block; padding: 0 10px">  *
</span><span class="cx" style="display: block; padding: 0 10px">  * If there are no accent characters, then the string given is just returned.
</span><span class="cx" style="display: block; padding: 0 10px">  *
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * **Accent characters converted:**
+ *
+ * Currency signs:
+ *
+ * |   Code   | Glyph | Replacement |     Description     |
+ * | -------- | ----- | ----------- | ------------------- |
+ * | U+00A3   | £     | (empty)     | British Pound sign  |
+ * | U+20AC   | €     | E           | Euro sign           |
+ *
+ * Decompositions for Latin-1 Supplement:
+ *
+ * |  Code   | Glyph | Replacement |               Description              |
+ * | ------- | ----- | ----------- | -------------------------------------- |
+ * | U+00AA  | ª     | a           | Feminine ordinal indicator             |
+ * | U+00BA  | º     | o           | Masculine ordinal indicator            |
+ * | U+00C0  | À     | A           | Latin capital letter A with grave      |
+ * | U+00C1  | Á     | A           | Latin capital letter A with acute      |
+ * | U+00C2  | Â     | A           | Latin capital letter A with circumflex |
+ * | U+00C3  | Ã     | A           | Latin capital letter A with tilde      |
+ * | U+00C4  | Ä     | A           | Latin capital letter A with diaeresis  |
+ * | U+00C5  | Å     | A           | Latin capital letter A with ring above |
+ * | U+00C6  | Æ     | AE          | Latin capital letter AE                |
+ * | U+00C7  | Ç     | C           | Latin capital letter C with cedilla    |
+ * | U+00C8  | È     | E           | Latin capital letter E with grave      |
+ * | U+00C9  | É     | E           | Latin capital letter E with acute      |
+ * | U+00CA  | Ê     | E           | Latin capital letter E with circumflex |
+ * | U+00CB  | Ë     | E           | Latin capital letter E with diaeresis  |
+ * | U+00CC  | Ì     | I           | Latin capital letter I with grave      |
+ * | U+00CD  | Í     | I           | Latin capital letter I with acute      |
+ * | U+00CE  | Î     | I           | Latin capital letter I with circumflex |
+ * | U+00CF  | Ï     | I           | Latin capital letter I with diaeresis  |
+ * | U+00D0  | Ð     | D           | Latin capital letter Eth               |
+ * | U+00D1  | Ñ     | N           | Latin capital letter N with tilde      |
+ * | U+00D2  | Ò     | O           | Latin capital letter O with grave      |
+ * | U+00D3  | Ó     | O           | Latin capital letter O with acute      |
+ * | U+00D4  | Ô     | O           | Latin capital letter O with circumflex |
+ * | U+00D5  | Õ     | O           | Latin capital letter O with tilde      |
+ * | U+00D6  | Ö     | O           | Latin capital letter O with diaeresis  |
+ * | U+00D8  | Ø     | O           | Latin capital letter O with stroke     |
+ * | U+00D9  | Ù     | U           | Latin capital letter U with grave      |
+ * | U+00DA  | Ú     | U           | Latin capital letter U with acute      |
+ * | U+00DB  | Û     | U           | Latin capital letter U with circumflex |
+ * | U+00DC  | Ü     | U           | Latin capital letter U with diaeresis  |
+ * | U+00DD  | Ý     | Y           | Latin capital letter Y with acute      |
+ * | U+00DE  | Þ     | TH          | Latin capital letter Thorn             |
+ * | U+00DF  | ß     | s           | Latin small letter sharp s             |
+ * | U+00E0  | à     | a           | Latin small letter a with grave        |
+ * | U+00E1  | á     | a           | Latin small letter a with acute        |
+ * | U+00E2  | â     | a           | Latin small letter a with circumflex   |
+ * | U+00E3  | ã     | a           | Latin small letter a with tilde        |
+ * | U+00E4  | ä     | a           | Latin small letter a with diaeresis    |
+ * | U+00E5  | å     | a           | Latin small letter a with ring above   |
+ * | U+00E6  | æ     | ae          | Latin small letter ae                  |
+ * | U+00E7  | ç     | c           | Latin small letter c with cedilla      |
+ * | U+00E8  | è     | e           | Latin small letter e with grave        |
+ * | U+00E9  | é     | e           | Latin small letter e with acute        |
+ * | U+00EA  | ê     | e           | Latin small letter e with circumflex   |
+ * | U+00EB  | ë     | e           | Latin small letter e with diaeresis    |
+ * | U+00EC  | ì     | i           | Latin small letter i with grave        |
+ * | U+00ED  | í     | i           | Latin small letter i with acute        |
+ * | U+00EE  | î     | i           | Latin small letter i with circumflex   |
+ * | U+00EF  | ï     | i           | Latin small letter i with diaeresis    |
+ * | U+00F0  | ð     | d           | Latin small letter Eth                 |
+ * | U+00F1  | ñ     | n           | Latin small letter n with tilde        |
+ * | U+00F2  | ò     | o           | Latin small letter o with grave        |
+ * | U+00F3  | ó     | o           | Latin small letter o with acute        |
+ * | U+00F4  | ô     | o           | Latin small letter o with circumflex   |
+ * | U+00F5  | õ     | o           | Latin small letter o with tilde        |
+ * | U+00F6  | ö     | o           | Latin small letter o with diaeresis    |
+ * | U+00F8  | ø     | o           | Latin small letter o with stroke       |
+ * | U+00F9  | ù     | u           | Latin small letter u with grave        |
+ * | U+00FA  | ú     | u           | Latin small letter u with acute        |
+ * | U+00FB  | û     | u           | Latin small letter u with circumflex   |
+ * | U+00FC  | ü     | u           | Latin small letter u with diaeresis    |
+ * | U+00FD  | ý     | y           | Latin small letter y with acute        |
+ * | U+00FE  | þ     | th          | Latin small letter Thorn               |
+ * | U+00FF  | ÿ     | y           | Latin small letter y with diaeresis    |
+ *
+ * Decompositions for Latin Extended-A:
+ *
+ * |  Code   | Glyph | Replacement |                    Description                    |
+ * | ------- | ----- | ----------- | ------------------------------------------------- |
+ * | U+0100  | Ā     | A           | Latin capital letter A with macron                |
+ * | U+0101  | ā     | a           | Latin small letter a with macron                  |
+ * | U+0102  | Ă     | A           | Latin capital letter A with breve                 |
+ * | U+0103  | ă     | a           | Latin small letter a with breve                   |
+ * | U+0104  | Ą     | A           | Latin capital letter A with ogonek                |
+ * | U+0105  | ą     | a           | Latin small letter a with ogonek                  |
+ * | U+01006 | Ć     | C           | Latin capital letter C with acute                 |
+ * | U+0107  | ć     | c           | Latin small letter c with acute                   |
+ * | U+0108  | Ĉ     | C           | Latin capital letter C with circumflex            |
+ * | U+0109  | ĉ     | c           | Latin small letter c with circumflex              |
+ * | U+010A  | Ċ     | C           | Latin capital letter C with dot above             |
+ * | U+010B  | ċ     | c           | Latin small letter c with dot above               |
+ * | U+010C  | Č     | C           | Latin capital letter C with caron                 |
+ * | U+010D  | č     | c           | Latin small letter c with caron                   |
+ * | U+010E  | Ď     | D           | Latin capital letter D with caron                 |
+ * | U+010F  | ď     | d           | Latin small letter d with caron                   |
+ * | U+0110  | Đ     | D           | Latin capital letter D with stroke                |
+ * | U+0111  | đ     | d           | Latin small letter d with stroke                  |
+ * | U+0112  | Ē     | E           | Latin capital letter E with macron                |
+ * | U+0113  | ē     | e           | Latin small letter e with macron                  |
+ * | U+0114  | Ĕ     | E           | Latin capital letter E with breve                 |
+ * | U+0115  | ĕ     | e           | Latin small letter e with breve                   |
+ * | U+0116  | Ė     | E           | Latin capital letter E with dot above             |
+ * | U+0117  | ė     | e           | Latin small letter e with dot above               |
+ * | U+0118  | Ę     | E           | Latin capital letter E with ogonek                |
+ * | U+0119  | ę     | e           | Latin small letter e with ogonek                  |
+ * | U+011A  | Ě     | E           | Latin capital letter E with caron                 |
+ * | U+011B  | ě     | e           | Latin small letter e with caron                   |
+ * | U+011C  | Ĝ     | G           | Latin capital letter G with circumflex            |
+ * | U+011D  | ĝ     | g           | Latin small letter g with circumflex              |
+ * | U+011E  | Ğ     | G           | Latin capital letter G with breve                 |
+ * | U+011F  | ğ     | g           | Latin small letter g with breve                   |
+ * | U+0120  | Ġ     | G           | Latin capital letter G with dot above             |
+ * | U+0121  | ġ     | g           | Latin small letter g with dot above               |
+ * | U+0122  | Ģ     | G           | Latin capital letter G with cedilla               |
+ * | U+0123  | ģ     | g           | Latin small letter g with cedilla                 |
+ * | U+0124  | Ĥ     | H           | Latin capital letter H with circumflex            |
+ * | U+0125  | ĥ     | h           | Latin small letter h with circumflex              |
+ * | U+0126  | Ħ     | H           | Latin capital letter H with stroke                |
+ * | U+0127  | ħ     | h           | Latin small letter h with stroke                  |
+ * | U+0128  | Ĩ     | I           | Latin capital letter I with tilde                 |
+ * | U+0129  | ĩ     | i           | Latin small letter i with tilde                   |
+ * | U+012A  | Ī     | I           | Latin capital letter I with macron                |
+ * | U+012B  | ī     | i           | Latin small letter i with macron                  |
+ * | U+012C  | Ĭ     | I           | Latin capital letter I with breve                 |
+ * | U+012D  | ĭ     | i           | Latin small letter i with breve                   |
+ * | U+012E  | Į     | I           | Latin capital letter I with ogonek                |
+ * | U+012F  | į     | i           | Latin small letter i with ogonek                  |
+ * | U+0130  | İ     | I           | Latin capital letter I with dot above             |
+ * | U+0131  | ı     | i           | Latin small letter dotless i                      |
+ * | U+0132  | IJ     | IJ          | Latin capital ligature IJ                         |
+ * | U+0133  | ij     | ij          | Latin small ligature ij                           |
+ * | U+0134  | Ĵ     | J           | Latin capital letter J with circumflex            |
+ * | U+0135  | ĵ     | j           | Latin small letter j with circumflex              |
+ * | U+0136  | Ķ     | K           | Latin capital letter K with cedilla               |
+ * | U+0137  | ķ     | k           | Latin small letter k with cedilla                 |
+ * | U+0138  | ĸ     | k           | Latin small letter Kra                            |
+ * | U+0139  | Ĺ     | L           | Latin capital letter L with acute                 |
+ * | U+013A  | ĺ     | l           | Latin small letter l with acute                   |
+ * | U+013B  | Ļ     | L           | Latin capital letter L with cedilla               |
+ * | U+013C  | ļ     | l           | Latin small letter l with cedilla                 |
+ * | U+013D  | Ľ     | L           | Latin capital letter L with caron                 |
+ * | U+013E  | ľ     | l           | Latin small letter l with caron                   |
+ * | U+013F  | Ŀ     | L           | Latin capital letter L with middle dot            |
+ * | U+0140  | ŀ     | l           | Latin small letter l with middle dot              |
+ * | U+0141  | Ł     | L           | Latin capital letter L with stroke                |
+ * | U+0142  | ł     | l           | Latin small letter l with stroke                  |
+ * | U+0143  | Ń     | N           | Latin capital letter N with acute                 |
+ * | U+0144  | ń     | n           | Latin small letter N with acute                   |
+ * | U+0145  | Ņ     | N           | Latin capital letter N with cedilla               |
+ * | U+0146  | ņ     | n           | Latin small letter n with cedilla                 |
+ * | U+0147  | Ň     | N           | Latin capital letter N with caron                 |
+ * | U+0148  | ň     | n           | Latin small letter n with caron                   |
+ * | U+0149  | ʼn     | N           | Latin small letter n preceded by apostrophe       |
+ * | U+014A  | Ŋ     | n           | Latin capital letter Eng                          |
+ * | U+014B  | ŋ     | N           | Latin small letter Eng                            |
+ * | U+014C  | Ō     | O           | Latin capital letter O with macron                |
+ * | U+014D  | ō     | o           | Latin small letter o with macron                  |
+ * | U+014E  | Ŏ     | O           | Latin capital letter O with breve                 |
+ * | U+014F  | ŏ     | o           | Latin small letter o with breve                   |
+ * | U+0150  | Ő     | O           | Latin capital letter O with double acute          |
+ * | U+0151  | ő     | o           | Latin small letter o with double acute            |
+ * | U+0152  | Œ     | OE          | Latin capital ligature OE                         |
+ * | U+0153  | œ     | oe          | Latin small ligature oe                           |
+ * | U+0154  | Ŕ     | R           | Latin capital letter R with acute                 |
+ * | U+0155  | ŕ     | r           | Latin small letter r with acute                   |
+ * | U+0156  | Ŗ     | R           | Latin capital letter R with cedilla               |
+ * | U+0157  | ŗ     | r           | Latin small letter r with cedilla                 |
+ * | U+0158  | Ř     | R           | Latin capital letter R with caron                 |
+ * | U+0159  | ř     | r           | Latin small letter r with caron                   |
+ * | U+015A  | Ś     | S           | Latin capital letter S with acute                 |
+ * | U+015B  | ś     | s           | Latin small letter s with acute                   |
+ * | U+015C  | Ŝ     | S           | Latin capital letter S with circumflex            |
+ * | U+015D  | ŝ     | s           | Latin small letter s with circumflex              |
+ * | U+015E  | Ş     | S           | Latin capital letter S with cedilla               |
+ * | U+015F  | ş     | s           | Latin small letter s with cedilla                 |
+ * | U+0160  | Š     | S           | Latin capital letter S with caron                 |
+ * | U+0161  | š     | s           | Latin small letter s with caron                   |
+ * | U+0162  | Ţ     | T           | Latin capital letter T with cedilla               |
+ * | U+0163  | ţ     | t           | Latin small letter t with cedilla                 |
+ * | U+0164  | Ť     | T           | Latin capital letter T with caron                 |
+ * | U+0165  | ť     | t           | Latin small letter t with caron                   |
+ * | U+0166  | Ŧ     | T           | Latin capital letter T with stroke                |
+ * | U+0167  | ŧ     | t           | Latin small letter t with stroke                  |
+ * | U+0168  | Ũ     | U           | Latin capital letter U with tilde                 |
+ * | U+0169  | ũ     | u           | Latin small letter u with tilde                   |
+ * | U+016A  | Ū     | U           | Latin capital letter U with macron                |
+ * | U+016B  | ū     | u           | Latin small letter u with macron                  |
+ * | U+016C  | Ŭ     | U           | Latin capital letter U with breve                 |
+ * | U+016D  | ŭ     | u           | Latin small letter u with breve                   |
+ * | U+016E  | Ů     | U           | Latin capital letter U with ring above            |
+ * | U+016F  | ů     | u           | Latin small letter u with ring above              |
+ * | U+0170  | Ű     | U           | Latin capital letter U with double acute          |
+ * | U+0171  | ű     | u           | Latin small letter u with double acute            |
+ * | U+0172  | Ų     | U           | Latin capital letter U with ogonek                |
+ * | U+0173  | ų     | u           | Latin small letter u with ogonek                  |
+ * | U+0174  | Ŵ     | W           | Latin capital letter W with circumflex            |
+ * | U+0175  | ŵ     | w           | Latin small letter w with circumflex              |
+ * | U+0176  | Ŷ     | Y           | Latin capital letter Y with circumflex            |
+ * | U+0177  | ŷ     | y           | Latin small letter y with circumflex              |
+ * | U+0178  | Ÿ     | Y           | Latin capital letter Y with diaeresis             |
+ * | U+0179  | Ź     | Z           | Latin capital letter Z with acute                 |
+ * | U+017A  | ź     | z           | Latin small letter z with acute                   |
+ * | U+017B  | Ż     | Z           | Latin capital letter Z with dot above             |
+ * | U+017C  | ż     | z           | Latin small letter z with dot above               |
+ * | U+017D  | Ž     | Z           | Latin capital letter Z with caron                 |
+ * | U+017E  | ž     | z           | Latin small letter z with caron                   |
+ * | U+017F  | ſ     | s           | Latin small letter long s                         |
+ * | U+01A0  | Ơ     | O           | Latin capital letter O with horn                  |
+ * | U+01A1  | ơ     | o           | Latin small letter o with horn                    |
+ * | U+01AF  | Ư     | U           | Latin capital letter U with horn                  |
+ * | U+01B0  | ư     | u           | Latin small letter u with horn                    |
+ * | U+01CD  | Ǎ     | A           | Latin capital letter A with caron                 |
+ * | U+01CE  | ǎ     | a           | Latin small letter a with caron                   |
+ * | U+01CF  | Ǐ     | I           | Latin capital letter I with caron                 |
+ * | U+01D0  | ǐ     | i           | Latin small letter i with caron                   |
+ * | U+01D1  | Ǒ     | O           | Latin capital letter O with caron                 |
+ * | U+01D2  | ǒ     | o           | Latin small letter o with caron                   |
+ * | U+01D3  | Ǔ     | U           | Latin capital letter U with caron                 |
+ * | U+01D4  | ǔ     | u           | Latin small letter u with caron                   |
+ * | U+01D5  | Ǖ     | U           | Latin capital letter U with diaeresis and macron  |
+ * | U+01D6  | ǖ     | u           | Latin small letter u with diaeresis and macron    |
+ * | U+01D7  | Ǘ     | U           | Latin capital letter U with diaeresis and acute   |
+ * | U+01D8  | ǘ     | u           | Latin small letter u with diaeresis and acute     |
+ * | U+01D9  | Ǚ     | U           | Latin capital letter U with diaeresis and caron   |
+ * | U+01DA  | ǚ     | u           | Latin small letter u with diaeresis and caron     |
+ * | U+01DB  | Ǜ     | U           | Latin capital letter U with diaeresis and grave   |
+ * | U+01DC  | ǜ     | u           | Latin small letter u with diaeresis and grave     |
+ *
+ * Decompositions for Latin Extended-B:
+ *
+ * |   Code   | Glyph | Replacement |                Description                |
+ * | -------- | ----- | ----------- | ----------------------------------------- |
+ * | U+0218   | Ș     | S           | Latin capital letter S with comma below   |
+ * | U+0219   | ș     | s           | Latin small letter s with comma below     |
+ * | U+021A   | Ț     | T           | Latin capital letter T with comma below   |
+ * | U+021B   | ț     | t           | Latin small letter t with comma below     |
+ *
+ * Vowels with diacritic (Chinese, Hanyu Pinyin):
+ *
+ * |   Code   | Glyph | Replacement |                      Description                      |
+ * | -------- | ----- | ----------- | ----------------------------------------------------- |
+ * | U+0251   | ɑ     | a           | Latin small letter alpha                              |
+ * | U+1EA0   | Ạ     | A           | Latin capital letter A with dot below                 |
+ * | U+1EA1   | ạ     | a           | Latin small letter a with dot below                   |
+ * | U+1EA2   | Ả     | A           | Latin capital letter A with hook above                |
+ * | U+1EA3   | ả     | a           | Latin small letter a with hook above                  |
+ * | U+1EA4   | Ấ     | A           | Latin capital letter A with circumflex and acute      |
+ * | U+1EA5   | ấ     | a           | Latin small letter a with circumflex and acute        |
+ * | U+1EA6   | Ầ     | A           | Latin capital letter A with circumflex and grave      |
+ * | U+1EA7   | ầ     | a           | Latin small letter a with circumflex and grave        |
+ * | U+1EA8   | Ẩ     | A           | Latin capital letter A with circumflex and hook above |
+ * | U+1EA9   | ẩ     | a           | Latin small letter a with circumflex and hook above   |
+ * | U+1EAA   | Ẫ     | A           | Latin capital letter A with circumflex and tilde      |
+ * | U+1EAB   | ẫ     | a           | Latin small letter a with circumflex and tilde        |
+ * | U+1EA6   | Ậ     | A           | Latin capital letter A with circumflex and dot below  |
+ * | U+1EAD   | ậ     | a           | Latin small letter a with circumflex and dot below    |
+ * | U+1EAE   | Ắ     | A           | Latin capital letter A with breve and acute           |
+ * | U+1EAF   | ắ     | a           | Latin small letter a with breve and acute             |
+ * | U+1EB0   | Ằ     | A           | Latin capital letter A with breve and grave           |
+ * | U+1EB1   | ằ     | a           | Latin small letter a with breve and grave             |
+ * | U+1EB2   | Ẳ     | A           | Latin capital letter A with breve and hook above      |
+ * | U+1EB3   | ẳ     | a           | Latin small letter a with breve and hook above        |
+ * | U+1EB4   | Ẵ     | A           | Latin capital letter A with breve and tilde           |
+ * | U+1EB5   | ẵ     | a           | Latin small letter a with breve and tilde             |
+ * | U+1EB6   | Ặ     | A           | Latin capital letter A with breve and dot below       |
+ * | U+1EB7   | ặ     | a           | Latin small letter a with breve and dot below         |
+ * | U+1EB8   | Ẹ     | E           | Latin capital letter E with dot below                 |
+ * | U+1EB9   | ẹ     | e           | Latin small letter e with dot below                   |
+ * | U+1EBA   | Ẻ     | E           | Latin capital letter E with hook above                |
+ * | U+1EBB   | ẻ     | e           | Latin small letter e with hook above                  |
+ * | U+1EBC   | Ẽ     | E           | Latin capital letter E with tilde                     |
+ * | U+1EBD   | ẽ     | e           | Latin small letter e with tilde                       |
+ * | U+1EBE   | Ế     | E           | Latin capital letter E with circumflex and acute      |
+ * | U+1EBF   | ế     | e           | Latin small letter e with circumflex and acute        |
+ * | U+1EC0   | Ề     | E           | Latin capital letter E with circumflex and grave      |
+ * | U+1EC1   | ề     | e           | Latin small letter e with circumflex and grave        |
+ * | U+1EC2   | Ể     | E           | Latin capital letter E with circumflex and hook above |
+ * | U+1EC3   | ể     | e           | Latin small letter e with circumflex and hook above   |
+ * | U+1EC4   | Ễ     | E           | Latin capital letter E with circumflex and tilde      |
+ * | U+1EC5   | ễ     | e           | Latin small letter e with circumflex and tilde        |
+ * | U+1EC6   | Ệ     | E           | Latin capital letter E with circumflex and dot below  |
+ * | U+1EC7   | ệ     | e           | Latin small letter e with circumflex and dot below    |
+ * | U+1EC8   | Ỉ     | I           | Latin capital letter I with hook above                |
+ * | U+1EC9   | ỉ     | i           | Latin small letter i with hook above                  |
+ * | U+1ECA   | Ị     | I           | Latin capital letter I with dot below                 |
+ * | U+1ECB   | ị     | i           | Latin small letter i with dot below                   |
+ * | U+1ECC   | Ọ     | O           | Latin capital letter O with dot below                 |
+ * | U+1ECD   | ọ     | o           | Latin small letter o with dot below                   |
+ * | U+1ECE   | Ỏ     | O           | Latin capital letter O with hook above                |
+ * | U+1ECF   | ỏ     | o           | Latin small letter o with hook above                  |
+ * | U+1ED0   | Ố     | O           | Latin capital letter O with circumflex and acute      |
+ * | U+1ED1   | ố     | o           | Latin small letter o with circumflex and acute        |
+ * | U+1ED2   | Ồ     | O           | Latin capital letter O with circumflex and grave      |
+ * | U+1ED3   | ồ     | o           | Latin small letter o with circumflex and grave        |
+ * | U+1ED4   | Ổ     | O           | Latin capital letter O with circumflex and hook above |
+ * | U+1ED5   | ổ     | o           | Latin small letter o with circumflex and hook above   |
+ * | U+1ED6   | Ỗ     | O           | Latin capital letter O with circumflex and tilde      |
+ * | U+1ED7   | ỗ     | o           | Latin small letter o with circumflex and tilde        |
+ * | U+1ED8   | Ộ     | O           | Latin capital letter O with circumflex and dot below  |
+ * | U+1ED9   | ộ     | o           | Latin small letter o with circumflex and dot below    |
+ * | U+1EDA   | Ớ     | O           | Latin capital letter O with horn and acute            |
+ * | U+1EDB   | ớ     | o           | Latin small letter o with horn and acute              |
+ * | U+1EDC   | Ờ     | O           | Latin capital letter O with horn and grave            |
+ * | U+1EDD   | ờ     | o           | Latin small letter o with horn and grave              |
+ * | U+1EDE   | Ở     | O           | Latin capital letter O with horn and hook above       |
+ * | U+1EDF   | ở     | o           | Latin small letter o with horn and hook above         |
+ * | U+1EE0   | Ỡ     | O           | Latin capital letter O with horn and tilde            |
+ * | U+1EE1   | ỡ     | o           | Latin small letter o with horn and tilde              |
+ * | U+1EE2   | Ợ     | O           | Latin capital letter O with horn and dot below        |
+ * | U+1EE3   | ợ     | o           | Latin small letter o with horn and dot below          |
+ * | U+1EE4   | Ụ     | U           | Latin capital letter U with dot below                 |
+ * | U+1EE5   | ụ     | u           | Latin small letter u with dot below                   |
+ * | U+1EE6   | Ủ     | U           | Latin capital letter U with hook above                |
+ * | U+1EE7   | ủ     | u           | Latin small letter u with hook above                  |
+ * | U+1EE8   | Ứ     | U           | Latin capital letter U with horn and acute            |
+ * | U+1EE9   | ứ     | u           | Latin small letter u with horn and acute              |
+ * | U+1EEA   | Ừ     | U           | Latin capital letter U with horn and grave            |
+ * | U+1EEB   | ừ     | u           | Latin small letter u with horn and grave              |
+ * | U+1EEC   | Ử     | U           | Latin capital letter U with horn and hook above       |
+ * | U+1EED   | ử     | u           | Latin small letter u with horn and hook above         |
+ * | U+1EEE   | Ữ     | U           | Latin capital letter U with horn and tilde            |
+ * | U+1EEF   | ữ     | u           | Latin small letter u with horn and tilde              |
+ * | U+1EF0   | Ự     | U           | Latin capital letter U with horn and dot below        |
+ * | U+1EF1   | ự     | u           | Latin small letter u with horn and dot below          |
+ * | U+1EF2   | Ỳ     | Y           | Latin capital letter Y with grave                     |
+ * | U+1EF3   | ỳ     | y           | Latin small letter y with grave                       |
+ * | U+1EF4   | Ỵ     | Y           | Latin capital letter Y with dot below                 |
+ * | U+1EF5   | ỵ     | y           | Latin small letter y with dot below                   |
+ * | U+1EF6   | Ỷ     | Y           | Latin capital letter Y with hook above                |
+ * | U+1EF7   | ỷ     | y           | Latin small letter y with hook above                  |
+ * | U+1EF8   | Ỹ     | Y           | Latin capital letter Y with tilde                     |
+ * | U+1EF9   | ỹ     | y           | Latin small letter y with tilde                       |
+ *
+ * German (`de_DE`) and German formal (`de_DE_formal`) locales:
+ *
+ * |   Code   | Glyph | Replacement |               Description               |
+ * | -------- | ----- | ----------- | --------------------------------------- |
+ * | U+00C4   | Ä     | Ae          | Latin capital letter A with diaeresis   |
+ * | U+00E4   | ä     | ae          | Latin small letter a with diaeresis     |
+ * | U+00D6   | Ö     | Oe          | Latin capital letter O with diaeresis   |
+ * | U+00F6   | ö     | oe          | Latin small letter o with diaeresis     |
+ * | U+00DC   | Ü     | Ue          | Latin capital letter U with diaeresis   |
+ * | U+00FC   | ü     | ue          | Latin small letter u with diaeresis     |
+ * | U+00DF   | ß     | ss          | Latin small letter sharp s              |
+ *
+ * Danish (`da_DK`) locale:
+ *
+ * |   Code   | Glyph | Replacement |               Description               |
+ * | -------- | ----- | ----------- | --------------------------------------- |
+ * | U+00C6   | Æ     | Ae          | Latin capital letter AE                 |
+ * | U+00E6   | æ     | ae          | Latin small letter ae                   |
+ * | U+00D8   | Ø     | Oe          | Latin capital letter O with stroke      |
+ * | U+00F8   | ø     | oe          | Latin small letter o with stroke        |
+ * | U+00C5   | Å     | Aa          | Latin capital letter A with ring above  |
+ * | U+00E5   | å     | aa          | Latin small letter a with ring above    |
+ *
</ins><span class="cx" style="display: block; padding: 0 10px">  * @since 1.2.1
</span><span class="cx" style="display: block; padding: 0 10px">  *
</span><span class="cx" style="display: block; padding: 0 10px">  * @param string $string Text that might have accent characters
</span></span></pre>
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