diff -r d777064beb32 -r ff69af3c67a3 src/CLIParser.h
--- a/src/CLIParser.h	Wed Oct 30 16:47:42 2019 +0100
+++ b/src/CLIParser.h	Thu Jan 02 23:31:44 2020 +0100
@@ -36,6 +36,15 @@
 		else throw relpipe::cli::RelpipeCLIException(L"Missing CLI argument" + (i > 0 ? (L" after " + arguments[i - 1]) : L""), relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS);
 	}
 
+	/**
+	 * TODO: use a common method
+	 */
+	bool parseBoolean(const string_t& value) {
+		if (value == L"true") return true;
+		else if (value == L"false") return false;
+		else throw relpipe::cli::RelpipeCLIException(L"Unable to parse boolean value: " + value + L" (expecting true or false)", relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS);
+	}
+
 	void addRelation(Configuration& c, RelationConfiguration& currentRelation) {
 		if (currentRelation.relation.size()) {
 			c.relationConfigurations.push_back(currentRelation);
@@ -58,6 +67,7 @@
 	static const string_t OPTION_NAME_IS_XPATH;
 	static const string_t OPTION_RECORDS;
 	static const string_t OPTION_ATTRIBUTE;
+	static const string_t OPTION_XINCLUDE;
 
 	Configuration parse(const std::vector<string_t>& arguments) {
 		Configuration c;
@@ -69,6 +79,8 @@
 			if (option == OPTION_NAMESPACE) {
 				c.namespaceMappings.push_back(readNext(arguments, i));
 				c.namespaceMappings.push_back(readNext(arguments, i));
+			} else if (option == OPTION_XINCLUDE) {
+				c.xinclude = parseBoolean(readNext(arguments, i));
 			} else if (option == OPTION_RELATION) {
 				addRelation(c, currentRelation); // previous relation
 				currentRelation.relation = readNext(arguments, i);
@@ -98,6 +110,7 @@
 const string_t CLIParser::OPTION_NAME_IS_XPATH = L"--name-is-xpath";
 const string_t CLIParser::OPTION_RECORDS = L"--records";
 const string_t CLIParser::OPTION_ATTRIBUTE = L"--attribute";
+const string_t CLIParser::OPTION_XINCLUDE = L"--xinclude";
 
 }
 }