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diff --git a/Build/source/texk/dvipdfm-x/dpxutil.h b/Build/source/texk/dvipdfm-x/dpxutil.h
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+/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
+
+ Copyright (C) 2002-2020 by Jin-Hwan Cho and Shunsaku Hirata,
+ the dvipdfmx project team.
+
+ Copyright (C) 1998, 1999 by Mark A. Wicks <mwicks@kettering.edu>
+
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+*/
+
+#ifndef _DPXUTIL_H_
+#define _DPXUTIL_H_
+
+#include <time.h>
+
+#undef MIN
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#undef MAX
+#define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#undef ABS
+#define ABS(a) (((a) < 0) ? -(a) : (a))
+
+extern double min4(double v1, double v2, double v3, double v4);
+extern double max4(double v1, double v2, double v3, double v4);
+
+extern int dpx_util_read_length (double *vp, double mag,
+ const char **curptr, const char *endptr);
+
+#define INVALID_EPOCH_VALUE ((time_t)-1)
+extern time_t dpx_util_get_unique_time_if_given (void);
+extern int dpx_util_format_asn_date (char *date_string, int need_timezone);
+
+#ifndef is_space
+#define is_space(c) ((c) == ' ' || (c) == '\t' || (c) == '\f' || \
+ (c) == '\r' || (c) == '\n' || (c) == '\0')
+#endif
+#ifndef is_delim
+#define is_delim(c) ((c) == '(' || (c) == ')' || \
+ (c) == '/' || \
+ (c) == '<' || (c) == '>' || \
+ (c) == '[' || (c) == ']' || \
+ (c) == '{' || (c) == '}' || \
+ (c) == '%')
+#endif
+
+extern void skip_white_spaces (unsigned char **s, unsigned char *endptr);
+extern int xtoi (char c);
+
+typedef struct stack_elem
+{
+ void *data;
+ struct stack_elem *prev;
+} stack_elem;
+
+typedef struct dpx_stack
+{
+ int size;
+ stack_elem *top;
+ stack_elem *bottom;
+} dpx_stack;
+
+extern void dpx_stack_init (dpx_stack *st);
+extern void *dpx_stack_pop (dpx_stack *st);
+extern void dpx_stack_push (dpx_stack *st, void *data);
+extern int dpx_stack_depth (dpx_stack *st);
+extern void *dpx_stack_top (dpx_stack *st);
+extern void *dpx_stack_at (dpx_stack *st, int pos);
+extern void dpx_stack_roll (dpx_stack *st, int n, int j);
+
+
+#define HASH_TABLE_SIZE 503
+
+struct ht_entry {
+ char *key;
+ int keylen;
+
+ void *value;
+
+ struct ht_entry *next;
+};
+
+typedef void (*hval_free_func) (void *);
+
+struct ht_table {
+ int count;
+ hval_free_func hval_free_fn;
+ struct ht_entry *table[HASH_TABLE_SIZE];
+};
+
+extern void ht_init_table (struct ht_table *ht,
+ hval_free_func hval_free_fn);
+extern void ht_clear_table (struct ht_table *ht);
+extern int ht_table_size (struct ht_table *ht);
+extern void *ht_lookup_table (struct ht_table *ht,
+ const void *key, int keylen);
+extern void ht_append_table (struct ht_table *ht,
+ const void *key, int keylen, void *value) ;
+extern int ht_remove_table (struct ht_table *ht,
+ const void *key, int keylen);
+extern void ht_insert_table (struct ht_table *ht,
+ const void *key, int keylen, void *value);
+
+struct ht_iter {
+ int index;
+ void *curr;
+ struct ht_table *hash;
+};
+
+extern int ht_set_iter (struct ht_table *ht, struct ht_iter *iter);
+extern void ht_clear_iter (struct ht_iter *iter);
+extern char *ht_iter_getkey (struct ht_iter *iter, int *keylen);
+extern void *ht_iter_getval (struct ht_iter *iter);
+extern int ht_iter_next (struct ht_iter *iter);
+
+extern char *parse_float_decimal (const char **pp, const char *endptr);
+extern char *parse_c_string (const char **pp, const char *endptr);
+extern char *parse_c_ident (const char **pp, const char *endptr);
+
+#endif /* _DPXUTIL_H_ */