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diff --git a/Build/source/texk/kpathsea/cnf.h b/Build/source/texk/kpathsea/cnf.h
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-/* cnf.h: runtime config files.
-
- Copyright 1994, 1995, 2008, 2012, 2019 Karl Berry.
- Copyright 1999, 2005 Olaf Weber.
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with this library; if not, see <http://www.gnu.org/licenses/>. */
-
-#ifndef KPATHSEA_CNF_H
-#define KPATHSEA_CNF_H
-
-#include <kpathsea/c-proto.h>
-#include <kpathsea/types.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Return the value in the last-read cnf file for VAR, or NULL if none.
- On the first call, also read all the `texmf.cnf' files in the path
- for kpse_cnf_format (and initialize the path). Any error messages are
- written to stderr. */
-
-extern KPSEDLL const_string kpathsea_cnf_get (kpathsea kpse, const_string var);
-
-
-/* Parse L as a texmf.cnf configuration line for the KPSE instance,
- and insert any <variable> assignment in the environment, both as-is and
- with the value (if all non-NULL) of <variable> "_" KPSE->program_name.
- If <variable>[_<progname>] is already set in the environment, it is
- overwritten.
-
- All of this behavior is because if the user runs tex with
- --cnf-line=TEXINPUTS=/foo:, it's not unreasonable to expect that
- cmdline option to override both environment variables TEXINPUTS and
- TEXINPUTS_tex, and also both configuration values TEXINPUTS and
- TEXINPUTS.tex -- even though ordinarily <var>.<progname> overrides
- plain <var>.
-
- Any error message is written to stderr. */
-
-extern KPSEDLL void kpathsea_cnf_line_env_progname (kpathsea kpse,
- string l);
-
-#if defined(KPSE_COMPAT_API)
-extern KPSEDLL const_string kpse_cnf_get (const_string var);
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* not KPATHSEA_CNF_H */