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Included in:

- user-manual: Text Substitutions: Attributes
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Attribute references are replaced with their values when they're processed by the `attributes` substitution.

.Elements subject to attributes text substitution
[width="40%", cols="3,^2"]
|===
|Element | `attributes` substitution

|Attribute Entry Value |{y}

|Comment |{n}

|Example |{y}

|Fenced |{n}

|Header |{y}

|Literal |{n}

|Listing |{n}

|Macro |{y}

|Open |Varies

|Paragraph |{y}

|Passthrough |{n}

|Quote |{y}

|Sidebar |{y}

|Source |{n}

|Special sections |{y}

|Table |Varies

|Title |{y}

|Verse |{y}

|===