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-rw-r--r--src/cmd/troff/tdef.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/cmd/troff/tdef.h b/src/cmd/troff/tdef.h
index e9e1f65c..0b3f2b17 100644
--- a/src/cmd/troff/tdef.h
+++ b/src/cmd/troff/tdef.h
@@ -3,9 +3,12 @@
#include <limits.h>
#include <ctype.h>
#include <string.h>
+#include <unistd.h>
-#define NROFF (!TROFF)
+#undef MB_CUR_MAX
+#define MB_CUR_MAX 3
+#define NROFF (!TROFF)
/* Site dependent definitions */