chromium/third_party/blink/web_tests/fast/writing-mode/text_combine_oblique.html

<!doctype html>
<style>
div {
 writing-mode: vertical-rl;
 font-size: 50px;
 font-style: oblique -15deg;
}
tcy { text-combine-upright: all; }
.d { text-decoration: underline; }
.e {
    -webkit-text-emphasis: dot;
    text-emphasis: dot;
    x-webkit-text-emphasis-position: under right;
}

</style>
<div>
<p>西暦<tcy>1982</tcy>年<tcy>11</tcy>月<tcy>2</tcy>日</p>
<p class="d">西暦<tcy>1982</tcy>年<tcy>11</tcy>月<tcy>2</tcy>日</p>
<p class="e">西暦<tcy>1982</tcy>年<tcy>11</tcy>月<tcy>2</tcy>日</p>
<p class="d e">西暦<tcy>1982</tcy>年<tcy>11</tcy>月<tcy>2</tcy>日</p>
</div>