api: added NS_XML constant to the public API.

NEWS

@@ -17,6 +17,7 @@
     array instead of simple property.
   - Lot of bug fixes in XMPFiles and XMPCore.
 - Removed Exempi provided support for GIF in favour of Adobe's.
+- New: API NS_XML constant
 
 Internal:
 

exempi/exempi.cpp

@@ -165,6 +165,7 @@ const char NS_TPG[] = kXMP_NS_XMP_PagedFile;
 const char NS_DIMENSIONS_TYPE[] = kXMP_NS_XMP_Dimensions;
 const char NS_CC[] = "http://creativecommons.org/ns#";
 const char NS_PDF[] = kXMP_NS_PDF;
+const char NS_XML[] = kXMP_NS_XML;
 
 #define STRING(x) reinterpret_cast<std::string *>(x)
 

exempi/tests/test-iterator.cpp

@@ -134,7 +134,7 @@ int test_main(int argc, char *argv[])
 
     BOOST_CHECK(props[0] == tuple3({ NS_DC, "dc:rights", "" }));
     BOOST_CHECK(props[1] == tuple3({ "", "[1]", "2006, Hubert Figuiere" }));
-    BOOST_CHECK(props[2] == tuple3({ "http://www.w3.org/XML/1998/namespace", "xml:lang", "x-default" }));
+    BOOST_CHECK(props[2] == tuple3({ NS_XML, "xml:lang", "x-default" }));
 
     BOOST_CHECK(xmp_iterator_free(iter));
   }

exempi/xmpconsts.h

@@ -61,6 +61,8 @@ extern const char NS_DIMENSIONS_TYPE[];
 extern const char NS_CC[];
 /* Added in Exempi 2.1 */
 extern const char NS_PDF[];
+/* Added in Exempi 2.5 */
+extern const char NS_XML[];
 
 #ifdef __cplusplus
 }