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Diffstat (limited to 'macros/texinfo/texinfo/tp/Texinfo/XS/parsetexi/labels.h')
-rw-r--r--macros/texinfo/texinfo/tp/Texinfo/XS/parsetexi/labels.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/macros/texinfo/texinfo/tp/Texinfo/XS/parsetexi/labels.h b/macros/texinfo/texinfo/tp/Texinfo/XS/parsetexi/labels.h
index 7877987466..66624c56b0 100644
--- a/macros/texinfo/texinfo/tp/Texinfo/XS/parsetexi/labels.h
+++ b/macros/texinfo/texinfo/tp/Texinfo/XS/parsetexi/labels.h
@@ -1,5 +1,7 @@
/* labels.h - declarations for labels.c */
-/* Copyright 2010-2019 Free Software Foundation, Inc.
+#ifndef LABELS_H
+#define LABELS_H
+/* Copyright 2010-2021 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -14,6 +16,8 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
+#include "tree_types.h"
+
/* Information about a possible target of a cross-reference, often a node. */
typedef struct {
/* Pointer to the element for the command defining this label, usually a
@@ -35,3 +39,4 @@ extern size_t internal_xref_space;
void remember_internal_xref (ELEMENT *element);
void reset_internal_xrefs (void);
+#endif