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diff --git a/src/mesa/shader/slang/library/slang_version.syn b/src/mesa/shader/slang/library/slang_version.syn
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+/*
+ * Mesa 3-D graphics library
+ * Version:  6.3
+ *
+ * Copyright (C) 2005  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file slang_version.syn
+ * slang #version directive syntax
+ * \author Michal Krol
+ */
+
+.syntax version_directive;
+
+version_directive
+	version_directive_1 .and .loop version_directive_2;
+version_directive_1
+	prior_optional_spaces .and optional_version_directive .and .true .emit $;
+version_directive_2
+	prior_optional_spaces .and version_directive_body .and .true .emit $;
+
+optional_version_directive
+	version_directive_body .or .true .emit 10 .emit 1;
+
+version_directive_body
+	'#' .and optional_space .and "version" .and space .and version_number .and optional_space .and
+	new_line;
+
+version_number
+	version_number_110;
+
+version_number_110
+	leading_zeroes .and "110" .emit 10 .emit 1;
+
+leading_zeroes
+	.loop zero;
+
+zero
+	'0';
+
+space
+    single_space .and .loop single_space;
+
+optional_space
+    .loop single_space;
+
+single_space
+    ' ' .or '\t';
+
+prior_optional_spaces
+	.loop prior_space;
+
+prior_space
+	c_style_comment_block .or cpp_style_comment_block .or space .or new_line;
+
+c_style_comment_block
+    '/' .and '*' .and c_style_comment_rest;
+
+c_style_comment_rest
+    .loop c_style_comment_char_no_star .and c_style_comment_rest_1;
+c_style_comment_rest_1
+    c_style_comment_end .or c_style_comment_rest_2;
+c_style_comment_rest_2
+    '*' .and c_style_comment_rest;
+
+c_style_comment_char_no_star
+    '\x2B'-'\xFF' .or '\x01'-'\x29';
+
+c_style_comment_end
+    '*' .and '/';
+
+cpp_style_comment_block
+    '/' .and '/' .and cpp_style_comment_block_1;
+cpp_style_comment_block_1
+    cpp_style_comment_block_2 .or cpp_style_comment_block_3;
+cpp_style_comment_block_2
+    .loop cpp_style_comment_char .and new_line;
+cpp_style_comment_block_3
+    .loop cpp_style_comment_char;
+
+cpp_style_comment_char
+    '\x0E'-'\xFF' .or '\x01'-'\x09' .or '\x0B'-'\x0C';
+
+new_line
+    cr_lf .or lf_cr .or '\n' .or '\r';
+
+cr_lf
+    '\r' .and '\n';
+
+lf_cr
+	'\n' .and '\r';
+
+.string __string_filter;
+
+__string_filter
+    .loop __identifier_char;
+
+__identifier_char
+    'a'-'z' .or 'A'-'Z' .or '_' .or '0'-'9';
+