[xml_export] Export repeatable comments for functions

Author: saruman9

Ghidra/Features/Base/src/main/java/ghidra/app/util/xml/FunctionsXmlMgr.java

@@ -545,6 +545,7 @@ private void writeFunction(XmlWriter writer, Function func) {
 		writeReturnType(writer, func);
 		writeAddressRange(writer, func);
 		writeRegularComment(writer, func.getComment());
+		writeRepeatableComment(writer, func.getRepeatableComment());
 		if (func.getSignatureSource() != SourceType.DEFAULT) {
 			writeTypeInfoComment(writer, func);
 		}
@@ -614,6 +615,12 @@ private void writeRegularComment(XmlWriter writer, String comment) {
 		}
 	}
 
+	private void writeRepeatableComment(XmlWriter writer, String comment) {
+		if (comment != null && comment.length() > 0) {
+			writer.writeElement("REPEATABLE_CMT", null, comment);
+		}
+	}
+
 	private void writeStackFrame(XmlWriter writer, Function func) {
 		StackFrame frame = func.getStackFrame();