Reading from pipe works only for Windows

README.rst

@@ -14,8 +14,8 @@ Demo
 ::
 
   python -m pager <file>
-  <command> | pager.py
-  pager.py < <file>
+  <command> | pager.py     (Windows only - see issue #7)
+  pager.py < <file>        (Windows only)
 
   # run manual tests that are also a demo
   python -m pager --test
@@ -26,6 +26,8 @@ Status
 3.3 (stable)
  - fix critical issue #6: 3.2 Broken on Linux, thanks
    Calvin Spealman (@ironfroggy) for reporting
+ - reading content from stdin is Windows only feature
+   for now (see issue #7)
 
 3.2 (broken on Linux)
  - abort pagination if ESC or 'q' keys are pressed

pager.py

@@ -531,8 +531,8 @@ if __name__ == '__main__':
             print("pager v%s" % __version__)
             print("usage: pager.py <file>")
             print("       pager.py --test")
-            print("       pager.py < <file>")
-            print("       <command> | pager.py")
+            print("       pager.py < <file>         (Windows)")
+            print("       <command> | pager.py      (Windows)")
             sys.exit(-1)
 
         #       pager.py --test