Simplify streaming API and improve pretty printing

This removes the obligation from the caller to correctly maintain flags to
describe the current anonymous context, instead making the writer handle this
itself as much as possible.  Flags remain for the cases the writer can not
infer from context: the start of anonymous subject and object nodes.

1 files changed, 1 insertions, 0 deletions

diff --git a/wscript b/wscript
index abce3c8f..5622e91b 100644
--- a/wscript
+++ b/wscript
@@ -590,6 +590,7 @@ def test(tst):
     with tst.group('ThroughSyntax') as check:
         test_syntax_io(check, 'base.ttl',       'base.ttl',        'turtle')
         test_syntax_io(check, 'qualify-in.ttl', 'qualify-out.ttl', 'turtle')
+        test_syntax_io(check, 'pretty.trig',    'pretty.trig',     'trig')
 
     with tst.group('GoodCommands') as check:
         check([serdi, '%s/tests/good/manifest.ttl' % srcdir])