1 files changed, 2 insertions, 0 deletions

diff --git a/coreutils/expand.c b/coreutils/expand.c
index f7e4619f9..8d064db5e 100644
--- a/coreutils/expand.c
+++ b/coreutils/expand.c
@@ -63,6 +63,8 @@ enum {
         OPT_ALL         = 1 << 2,
 };
 
+//FIXME: does not work properly with input containing NULs
+
 #if ENABLE_EXPAND
 static void expand(FILE *file, unsigned tab_size, unsigned opt)
 {