Separate compound properties in appendices

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

@@ -46,11 +46,10 @@ class CompoundConfigurationTableEntry extends ConfigurationTableEntry {
 
 	@Override
 	public void write(AsciidocBuilder builder) {
-		builder.append("|`+++");
-		this.configurationKeys.forEach(builder::appendln);
-		builder.appendln("+++`");
-		builder.appendln("|");
-		builder.appendln("|+++", this.description, "+++");
+		builder.append("|");
+		this.configurationKeys.forEach((key) -> builder.appendln("`+", key, "+` +"));
+		builder.appendln("").appendln("|").append("|+++")
+				.append(this.description).appendln("+++");
 	}
 
 }

spring-boot-project/spring-boot-tools/spring-boot-configuration-docs/src/test/java/org/springframework/boot/configurationdocs/CompoundConfigurationTableEntryTests.java

@@ -47,9 +47,10 @@ public class CompoundConfigurationTableEntryTests {
 		entry.addConfigurationKeys(firstProp, secondProp, thirdProp);
 		AsciidocBuilder builder = new AsciidocBuilder();
 		entry.write(builder);
-		assertThat(builder.toString()).isEqualTo("|`+++spring.test.first" + NEWLINE
-				+ "spring.test.second" + NEWLINE + "spring.test.third" + NEWLINE + "+++`"
-				+ NEWLINE + "|" + NEWLINE + "|+++This is a description.+++" + NEWLINE);
+		assertThat(builder.toString()).isEqualTo(
+				"|`+spring.test.first+` +" + NEWLINE + "`+spring.test.second+` +"
+						+ NEWLINE + "`+spring.test.third+` +" + NEWLINE + NEWLINE + "|"
+						+ NEWLINE + "|+++This is a description.+++" + NEWLINE);
 	}
 
 }