@@ -35,7 +35,7 @@ Text Decoration Line Thickness: the 'text-decoration-width' property</h3>
3535
3636 <pre class="propdef">
3737 Name : text-decoration-width
38- Value : auto | <<length>>
38+ Value : auto | from-font | <<length>>
3939 Initial : auto
4040 Applies to : all elements
4141 Inherited : no
@@ -56,6 +56,13 @@ Text Decoration Line Thickness: the 'text-decoration-width' property</h3>
5656 The UA chooses an appropriate thickness for text decoration lines;
5757 see below.
5858
59+ <dt> <dfn>from-font</dfn>
60+ <dd>
61+ If the <a>first available font</a> has
62+ metrics indicating a preferred underline width,
63+ use that width,
64+ otherwise behaves as ''text-decoration-width/auto'' .
65+
5966 <dt> <dfn><<length>></dfn>
6067 <dd>
6168 Specifies the thickness of text decoration lines as a length.
@@ -168,7 +175,7 @@ Text Underline Offset: the 'text-underline-offset' property</h3>
168175
169176 <pre class="propdef">
170177 Name : text-underline-offset
171- Value : auto | <<length>>
178+ Value : auto | from-font | <<length>>
172179 Initial : auto
173180 Applies to : all elements
174181 Inherited : yes
@@ -188,6 +195,13 @@ Text Underline Offset: the 'text-underline-offset' property</h3>
188195 <dd>
189196 The UA chooses an appropriate offset for underlines.
190197
198+ <dt> <dfn>from-font</dfn>
199+ <dd>
200+ If the <a>first available font</a> has
201+ metrics indicating a preferred underline offset,
202+ use that offset,
203+ otherwise behaves as ''text-underline-offset/auto'' .
204+
191205 <dt> <dfn><<length>>
192206 <dd>
193207 Specifies the offset of underlines as a length.
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