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-rw-r--r--options/m_option.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/options/m_option.h b/options/m_option.h
index 2402405cde..60b7700c6d 100644
--- a/options/m_option.h
+++ b/options/m_option.h
@@ -405,6 +405,9 @@ char *format_file_size(int64_t size);
// Do not add as property.
#define M_OPT_NOPROP (1 << 6)
+// Enable special semantics for some options when parsing the string "help".
+#define M_OPT_HAVE_HELP (1 << 7)
+
// The following are also part of the M_OPT_* flags, and are used to update
// certain groups of options.
#define UPDATE_OPT_FIRST (1 << 7)