diff -r 7c27cda03747 -r 97df974b5ed5 src/colors.h
--- a/src/colors.h	Fri Mar 06 23:45:44 2020 +0200
+++ b/src/colors.h	Mon Mar 09 14:21:54 2020 +0200
@@ -49,34 +49,37 @@
 	QMap<qint32, ColorDefinition> definitions;
 };
 
-inline bool operator==(const ldraw::Color& one, const ldraw::Color& other)
-{
-	return one.index == other.index;
-}
-
-inline bool operator!=(const ldraw::Color& one, const ldraw::Color& other)
-{
-	return one.index != other.index;
-}
-
-inline bool operator<(const ldraw::Color& one, const ldraw::Color& other)
+namespace ldraw
 {
-	return one.index < other.index;
-}
+	inline bool operator==(const ldraw::Color& one, const ldraw::Color& other)
+	{
+		return one.index == other.index;
+	}
 
-inline bool operator<=(const ldraw::Color& one, const ldraw::Color& other)
-{
-	return one.index <= other.index;
-}
+	inline bool operator!=(const ldraw::Color& one, const ldraw::Color& other)
+	{
+		return one.index != other.index;
+	}
+
+	inline bool operator<(const ldraw::Color& one, const ldraw::Color& other)
+	{
+		return one.index < other.index;
+	}
 
-inline bool operator>(const ldraw::Color& one, const ldraw::Color& other)
-{
-	return one.index > other.index;
-}
+	inline bool operator<=(const ldraw::Color& one, const ldraw::Color& other)
+	{
+		return one.index <= other.index;
+	}
 
-inline bool operator>=(const ldraw::Color& one, const ldraw::Color& other)
-{
-	return one.index >= other.index;
+	inline bool operator>(const ldraw::Color& one, const ldraw::Color& other)
+	{
+		return one.index > other.index;
+	}
+
+	inline bool operator>=(const ldraw::Color& one, const ldraw::Color& other)
+	{
+		return one.index >= other.index;
+	}
 }
 
 namespace ldraw