docs/policies.txt: Add policy about not using stdout, messages, and recommending...

git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@1314 d19143bc-622f-0410-bfdd-b5b2a6649095

diff --git a/docs/policies.txt b/docs/policies.txt
index 5a5d2ceaa7d72d570da0d244830dd277f3d482d1..449295c995bc3a2f2f27812e53d943a1615050f6 100644 (file)
--- a/docs/policies.txt
+++ b/docs/policies.txt
@@ -26,6 +26,11 @@ Increment the version number in ./configure on the first commit after a release
 as well as just prior to a new release. This way we can track if someone is
 using an unreleased version from the source code repository.
 
+Do not write messages to stdout. stdout is reserved for writing streams that
+can be redirected: e.g. raw DV in consumer_libdv. I recommended to use the
+mlt_log API. For something quick and dirty, use stderr.
+
+
 Procedures
 ----------