<strong>

Strong text is text that is of greater importance than the surrounding text.

Rendering expectations

The content of the <strong> element is typically rendered in a bold font.

Specialization hierarchy

The <strong> element is specialized from <ph>. It is defined in the emphasis-domain module.

Content model

(Text | <cite> | <include> | <keyword> | <ph> | <q> | <term> | <text> | <tm> | <xref> | <data> | <draft-comment> | <foreign> | <required-cleanup>)*

Not contained by any element.

Zero or more of the following

Not contained by any element.

Inheritance

+ topic/ph emphasis-d/strong

The <strong> element is specialized from <ph>. It is defined in the emphasis-domain module.

Attributes

The following attributes are available on this element: universal attributes and @keyref.

The following attributes are available on this element: universal attributes and the attributes defined below.

@keyref
Specifies a key name that acts as a redirectable reference based on a key definition within a map. See Referencing a key with the keyref attribute for information on using this attribute.
Draft comment: robander
The definiton above for @keyref should be synchronized with the definition in the linked section on keys.

Draft comment: robander
TO RESOLVE 13 May 2026: Check the topic we link to and make sure this is consistent, then remove the draft comment

Example

This section is non-normative.

The following code sample shows how the <strong> element can be used to highlight an important detail:

<p>Your doctor prescribed this medicine to treat an infection.
It is important that you <strong>take all of the medicine</strong> 
as described.</p>