FIXED: Setting quotes configuration entries using document attributes

fails if the attribute is not in the document header. See:
http://groups.google.com/group/asciidoc/browse_thread/thread/a1dd0562dee8b939

1 files changed, 1 insertions, 0 deletions

diff --git a/asciidoc.py b/asciidoc.py
index 084f32e..90725c4 100755
--- a/asciidoc.py
+++ b/asciidoc.py
@@ -479,6 +479,7 @@ def subs_quotes(text):
         else:
             lq = rq = q
         tag = config.quotes[q]
+        if not tag: continue
         # Unconstrained quotes prefix the tag name with a hash.
         if tag[0] == '#':
             tag = tag[1:]