is “line-break” supported?

HTML

<h1 id="auto">line-break:auto; ;kj d;slgf j;lkds gjf;lkd jfg;lkds jfg;lkds j;gfk djs;gklj sd;lgjkds; gjf</h1>
<h1 id="loose">line-break:loose;</h1>
<h1 id="normal">line-break:normal;</h1>
<h1 id="strict">line-break:strict;line-break:strict;line-break:strict;line-break:strict;line-break:strict;line-break:strict;line-break:strict;line-break:strict;line-break:strict;line-break:strict;line-break:strict;line-break:strict;</h1>

CSS

#auto {
    -webkit-line-break: auto;
    -moz-line-break: auto;
    -ms-line-break: auto;
    -o-line-break: auto;
    line-break: auto;
}

#loose {
    -webkit-line-break: loose;
    -moz-line-break: loose;
    -ms-line-break: loose;
    -o-line-break: loose;
    line-break: loose;
}

#normal {
    -webkit-line-break: normal;
    -moz-line-break: normal;
    -ms-line-break: normal;
    -o-line-break: normal;
    line-break: normal;
}

#strict {
    -webkit-line-break: strict;
    -moz-line-break: strict;
    -ms-line-break: strict;
    -o-line-break: strict;
    line-break: strict;
}