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-rw-r--r--decoder/grammar.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/decoder/grammar.cc b/decoder/grammar.cc
index 7e6bbc66..9e4065a6 100644
--- a/decoder/grammar.cc
+++ b/decoder/grammar.cc
@@ -157,6 +157,7 @@ PassThroughGrammar::PassThroughGrammar(const Lattice& input, const string& cat,
has_rule_[i].insert(j);
const string& src = TD::Convert(alts[k].label);
TRulePtr pt(new TRule("[" + cat + "] ||| " + src + " ||| " + src + " ||| PassThrough=1"));
+ pt->a_.push_back(AlignmentPoint(0,0));
AddRule(pt);
RefineRule(pt, ctf_level);
}