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-rw-r--r--decoder/ff.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/decoder/ff.cc b/decoder/ff.cc
index 61f4f0b6..95bd9665 100644
--- a/decoder/ff.cc
+++ b/decoder/ff.cc
@@ -1,3 +1,5 @@
+//TODO: 0 size state != rule-local feature, i.e. still may depend on source span loc/context. identify truly rule-local features so if we want they can be added to grammar rules (minor speedup)
+
#include "ff.h"
#include "tdict.h"