Index: trunk/macosx/JOSM.app/Contents/Info.plist_template.xml
===================================================================
--- trunk/macosx/JOSM.app/Contents/Info.plist_template.xml	(revision 15550)
+++ trunk/macosx/JOSM.app/Contents/Info.plist_template.xml	(revision 15915)
@@ -31,4 +31,28 @@
         </dict>
     </dict>
+    <!-- Export JOSM session file format UTI (*.jos) -->
+    <dict>
+        <key>UTTypeIdentifier</key>
+        <string>org.openstreetmap.josm.jos</string>
+        <key>UTTypeDescription</key>
+        <string>JOS File</string>
+        <key>UTTypeIconFile</key>
+        <string>JOSM.icns</string>
+        <key>UTTypeConformsTo</key>
+        <array>
+            <string>public.xml</string>
+        </array>
+        <key>UTTypeTagSpecification</key>
+        <dict>
+            <key>com.apple.ostype</key>
+            <string>JOSM</string>
+            <key>public.filename-extension</key>
+            <array>
+                <string>jos</string>
+            </array>
+            <key>public.mime-type</key>
+            <string>application/x-josm-session+xml</string>
+        </dict>
+    </dict>
     <!-- Export JOSM session file format UTI (*.joz) -->
     <dict>
@@ -51,4 +75,6 @@
                 <string>joz</string>
             </array>
+            <key>public.mime-type</key>
+            <string>application/x-josm-session+zip</string>
         </dict>
     </dict>
@@ -148,4 +174,19 @@
         </array>
     </dict>
+    <!-- Registers opening *.jos files -->
+    <dict>
+        <key>CFBundleTypeIconFile</key>
+        <string>JOSM.icns</string>
+        <key>CFBundleTypeName</key>
+        <string>JOS Files</string>
+        <key>CFBundleTypeRole</key>
+        <string>Editor</string>
+        <key>LSHandlerRank</key>
+        <string>Owner</string>
+        <key>LSItemContentTypes</key>
+        <array>
+            <string>org.openstreetmap.josm.jos</string>
+        </array>
+    </dict>
     <!-- Registers opening *.joz files -->
     <dict>