X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=tag.ml;h=c500dab730c4d94b795468cc88f61aa92da6a8b7;hb=2676d5a3bbb1e6f6a5af66477edfe3b4c849f4e7;hp=82c42b5757db837779aecd0cbacb5380d07de142;hpb=d64e3a3a9ef6329caafdba848ef78427fce0d689;p=SXSI%2Fxpathcomp.git

diff --git a/tag.ml b/tag.ml
index 82c42b5..c500dab 100644
--- a/tag.ml
+++ b/tag.ml
@@ -40,8 +40,9 @@ let hash x = x
 
 
 let to_string t = 
-  if t = pcdata then "<$>"
-  else if t = attribute then "<@>"
+  if t == pcdata then "<$>"
+  else if t == attribute then "<@>"
+  else if t == nullt then "<!NIL!>"
   else tag_name (get_pool()) t