-s flag disables such warnings.
---
 ed.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ed.c b/ed.c
index 1cf0d60..7e7fbb6 100644
--- a/ed.c
+++ b/ed.c
@@ -623,7 +623,8 @@ doread(char *fname)
                }
                inject(s);
        }
-       printf("%zu\n", cnt);
+       if (optdiag)
+               printf("%zu\n", cnt);
 
        aux = fp;
        fp = NULL;
-- 
2.1.4


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