is “hyphenate-character” supported?

HTML

<html lang="en">

<p id="auto">Auto All human be&shy;ings are bo&shy;rn fr­­­&shy;ee and eq­­­&shy;ual in­­­&shy; dignity a­­­&shy;nd rights. They a­­­&shy;re end­­­&shy;owed with re­­­&shy;ason and consc­­­&shy;ience and ­­­&shy;should act to­­­&shy;wards one anothe­­­&shy;r in a spirit of brotherhood.</p>
<p id="string">String. All human be­­­&shy;ings are bo­­­&shy;rn fr­­­&shy;ee and eq­­­&shy;ual in­­­&shy; dignity a­­­&shy;nd rights. They a­­­&shy;re end­­­&shy;owed with re­­­&shy;ason and consc­­­&shy;ience and ­­­&shy;should act to­­­&shy;wards one anothe­­­&shy;r</p>

</html>

CSS

p {
    width: 17em;
    border: 1px solid red;
    text-align: justify;
    font-size: 1.25em;
    font-family: monospace;
}

#auto {
    -webkit-hyphens: manual;
    -moz-hyphens: manual;
    -ms-hyphens: manual;
    -o-hyphens: manual;
    hyphens: auto;
    
    /*-webkit-hyphenate-character: auto;
    -moz-hyphenate-character: auto;
    -ms-hyphenate-character: auto;
    hyphenate-character: auto;*/
    
}

#string {
    -webkit-hyphens: manual;
    -moz-hyphens: manual;
    -ms-hyphens: manual;
    -o-hyphens: manual;
    hyphens: manual;
    
    -webkit-hyphenate-character: "♥";
    -moz-hyphenate-character: "♥";
    -ms-hyphenate-character: "♥";
    hyphenate-character: "♥";
}