diff -r dee5afe5301f -r 3f74d0d4af4c doc/src/snippets/qmake/scopes.pro
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/qmake/scopes.pro	Thu Apr 08 14:19:33 2010 +0300
@@ -0,0 +1,42 @@
+#! [syntax]
+<condition> {
+    <command or definition>
+    ...
+}
+#! [syntax]
+
+#! [0]
+win32 {
+    SOURCES += paintwidget_win.cpp
+}
+#! [0]
+
+#! [1]
+!win32 {
+    SOURCES -= paintwidget_win.cpp
+}
+#! [1]
+
+unix {
+    SOURCES += paintwidget_unix.cpp
+}
+
+#! [2]
+macx {
+    debug {
+        HEADERS += debugging.h
+    }
+}
+#! [2]
+
+#! [3]
+macx:debug {
+    HEADERS += debugging.h
+}
+#! [3]
+
+#! [4]
+win32|macx {
+    HEADERS += debugging.h
+}
+#! [4]