Applying rest of underscore escaping

Underscore escaping worked for the [*]_test text. Applying to remaining.

getting-started/best-practices/index.md

@@ -254,7 +254,7 @@ The following table goes through the schema line-by-line and details the modific
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       <td>05-09</td>
       <td>The <span style="font-family: 'Courier New'">element_mapping</span> construct explicitly correlates the associated OVAL Test, Object, State, and Item constructs and must always be present.
-	<br/><br/>In most cases, the relevant OVAL Test name should be used to update the test, object, state, and item components of the <span style="font-family: 'Courier New'">element_mapping</span> construct with [\*]\_test, [\*]_object, [\*]_state, and [\*]_item. With that said, it is important to note that it is also possible to map new OVAL Tests to existing OVAL Items as exemplified with the <span style="font-family: 'Courier New'">win-def:fileeffectiverights53_test</span> and <span style="font-family: 'Courier New'">win-sc:fileeffectiverights_item</span>.
+	<br/><br/>In most cases, the relevant OVAL Test name should be used to update the test, object, state, and item components of the <span style="font-family: 'Courier New'">element_mapping</span> construct with [\*]\_test, [\*]\_object, [\*]\_state, and [\*]\_item. With that said, it is important to note that it is also possible to map new OVAL Tests to existing OVAL Items as exemplified with the <span style="font-family: 'Courier New'">win-def:fileeffectiverights53_test</span> and <span style="font-family: 'Courier New'">win-sc:fileeffectiverights_item</span>.
 	<br/><br/>The <span style="font-family: 'Courier New'">target_namespace</span> attribute identifies the namespace URI of the platform-specific OVAL System Characteristics Model associated with the OVAL Test.</td>
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