1 files changed, 1 insertions, 0 deletions

diff --git a/form.h b/form.h
index 95d3c5775c..9cf271a2ac 100644
--- a/form.h
+++ b/form.h
@@ -24,3 +24,4 @@
 #define FF_BLANK        14
 #define FF_MORE         15
 #define FF_0DECIMAL     16
+#define FF_LINESNGL     17