Refine streaming mode a bit:

* flush output file after writing a line (important in Py3)
* disallow -s and input file name
* disallow -s without -l
* use binary stdin on Py3
* add to usage doc.

1 files changed, 2 insertions, 1 deletions

diff --git a/pygmentize b/pygmentize
index 8b3b2067..aea38727 100755
--- a/pygmentize
+++ b/pygmentize
@@ -1,6 +1,7 @@
 #!/usr/bin/env python2
 
-import sys, pygments.cmdline
+import sys
+import pygments.cmdline
 try:
     sys.exit(pygments.cmdline.main(sys.argv))
 except KeyboardInterrupt: