Sort xml files, so order is constant

Makes xml format work better with version control systems.

1 files changed, 9 insertions, 0 deletions

diff --git a/core/variant.cpp b/core/variant.cpp
index e0c4b4244d..fe6a6b3e4f 100644
--- a/core/variant.cpp
+++ b/core/variant.cpp
@@ -456,6 +456,15 @@ bool Variant::operator==(const Variant& p_variant) const {
 
 }
 
+bool Variant::operator<(const Variant& p_variant) const {
+	if (type!=p_variant.type) //if types differ, then order by type first
+		return type<p_variant.type;
+	bool v;
+	Variant r;
+	evaluate(OP_LESS,*this,p_variant,r,v);
+	return r;
+}
+
 bool Variant::is_zero() const {
 
 	switch( type ) {