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-rw-r--r--lib/readline/histlib.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/readline/histlib.h b/lib/readline/histlib.h
index 10a40d79..422cf597 100644
--- a/lib/readline/histlib.h
+++ b/lib/readline/histlib.h
@@ -69,6 +69,7 @@ extern char *strchr ();
#define BAD_WORD_SPEC 1
#define SUBST_FAILED 2
#define BAD_MODIFIER 3
+#define NO_PREV_SUBST 4
/* Possible definitions for history starting point specification. */
#define ANCHORED_SEARCH 1