Polish "Separate compound properties in appendices"

Closes gh-16480

spring-boot-project/spring-boot-parent/pom.xml

@@ -29,7 +29,7 @@
 		<testcontainers.version>1.10.6</testcontainers.version>
 		<testng.version>6.14.3</testng.version>
 		<dependency-management-plugin.version>1.0.6.RELEASE</dependency-management-plugin.version>
-		<spring-doc-resources.version>0.1.0.RELEASE</spring-doc-resources.version>
+		<spring-doc-resources.version>0.1.1.RELEASE</spring-doc-resources.version>
 	</properties>
 	<scm>
 		<url>https://github.com/spring-projects/spring-boot</url>

spring-boot-project/spring-boot-tools/spring-boot-configuration-docs/src/main/java/org/springframework/boot/configurationdocs/AsciidocBuilder.java

@@ -31,6 +31,18 @@ class AsciidocBuilder {
 		this.content = new StringBuilder();
 	}
 
+	public AsciidocBuilder appendKey(Object... items) {
+		for (Object item : items) {
+			append("`+", item, "+` +", NEWLINE);
+		}
+		return this;
+	}
+
+	public AsciidocBuilder newLine() {
+		append(NEWLINE);
+		return this;
+	}
+
 	public AsciidocBuilder appendln(Object... items) {
 		append(items);
 		append(NEWLINE);

spring-boot-project/spring-boot-tools/spring-boot-configuration-docs/src/main/java/org/springframework/boot/configurationdocs/CompoundConfigurationTableEntry.java

@@ -47,9 +47,9 @@ class CompoundConfigurationTableEntry extends ConfigurationTableEntry {
 	@Override
 	public void write(AsciidocBuilder builder) {
 		builder.append("|");
-		this.configurationKeys.forEach((key) -> builder.appendln("`+", key, "+` +"));
-		builder.appendln("").appendln("|").append("|+++")
-				.append(this.description).appendln("+++");
+		this.configurationKeys.forEach(builder::appendKey);
+		builder.newLine().appendln("|");
+		builder.appendln("|+++", this.description, "+++");
 	}
 
 }