comment about unary (1 var) goal rule having no target terminals - seems to be assumed

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@392 ec762483-ff6d-05da-a07a-a48fb63a330f

1 files changed, 1 insertions, 0 deletions

diff --git a/decoder/ff_lm.cc b/decoder/ff_lm.cc
index 28312b4f..6579fbee 100644
--- a/decoder/ff_lm.cc
+++ b/decoder/ff_lm.cc
@@ -303,6 +303,7 @@ class LanguageModelImpl {
     return ProbNoRemnant(len - 1, len);
   }
 
+  //FIXME: this assumes no target words on final unary -> goal rule.  is that ok?
   // for <s> (n-1 left words) and (n-1 right words) </s>
   double FinalTraversalCost(const void* state) {
     if (unigram) return 0.;