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diff --git a/Build/source/texk/web2c/luatexdir/tex/align.h b/Build/source/texk/web2c/luatexdir/tex/align.h
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+/* align.h
+   
+   Copyright 2009 Taco Hoekwater <taco@luatex.org>
+
+   This file is part of LuaTeX.
+
+   LuaTeX 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.
+
+   LuaTeX 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 General Public License along
+   with LuaTeX; if not, see <http://www.gnu.org/licenses/>. */
+
+/* $Id: align.h 3100 2009-11-04 15:09:57Z taco $ */
+
+#ifndef ALIGN_H
+#  define ALIGN_H 1
+
+/* We enter `\.{\\span}' into |eqtb| with |tab_mark| as its command code,
+and with |span_code| as the command modifier. This makes \TeX\ interpret it
+essentially the same as an alignment delimiter like `\.\&', yet it is
+recognizably different when we need to distinguish it from a normal delimiter.
+It also turns out to be useful to give a special |cr_code| to `\.{\\cr}',
+and an even larger |cr_cr_code| to `\.{\\crcr}'.
+
+The end of a template is represented by two ``frozen'' control sequences
+called \.{\\endtemplate}. The first has the command code |end_template|, which
+is |>outer_call|, so it will not easily disappear in the presence of errors.
+The |get_x_token| routine converts the first into the second, which has |endv|
+as its command code.
+*/
+
+#  define tab_mark_cmd_code 1114113     /*  {|biggest_char+2|} */
+#  define span_code 1114114     /*  {|biggest_char+3|} */
+#  define cr_code (span_code+1) /* distinct from |span_code| and from any character */
+#  define cr_cr_code (cr_code+1)        /* this distinguishes \.{\\crcr} from \.{\\cr} */
+
+
+extern void init_align(void);
+extern void initialize_alignments(void);
+
+extern boolean fin_col(void);
+extern void fin_row(void);
+
+extern void align_peek(void);
+extern void insert_vj_template(void);
+
+
+#endif