1 files changed, 0 insertions, 67 deletions
diff --git a/contrib/groff/src/roff/troff/unicode.cpp b/contrib/groff/src/roff/troff/unicode.cpp
deleted file mode 100644
index 211746347d8f..000000000000
--- a/contrib/groff/src/roff/troff/unicode.cpp
+++ /dev/null
@@ -1,67 +0,0 @@
-// -*- C++ -*-
-/* Copyright (C) 2002
-   Free Software Foundation, Inc.
-     Written by Werner Lemberg <wl@gnu.org>
-
-This file is part of groff.
-
-groff 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, or (at your option) any later
-version.
-
-groff 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 groff; see the file COPYING.  If not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "lib.h"
-#include "cset.h"
-#include "stringclass.h"
-
-#include "unicode.h"
-
-const char *check_unicode_name(const char *u)
-{
-  if (*u != 'u')
-    return 0;
-  const char *p = ++u;
-  for (;;) {
-    int val = 0;
-    const char *start = p;
-    for (;;) {
-      // only uppercase hex digits allowed
-      if (!csxdigit(*p))
-	return 0;
-      if (csdigit(*p))
-	val = val*0x10 + (*p-'0');
-      else if (csupper(*p))
-	val = val*0x10 + (*p-'A'+10);
-      else
-	return 0;
-      // biggest Unicode value is U+10FFFF
-      if (val > 0x10FFFF)
-	return 0;
-      p++;
-      if (*p == '\0' || *p == '_')
-	break;
-    }
-    // surrogates not allowed
-    if ((val >= 0xD800 && val <= 0xDBFF) || (val >= 0xDC00 && val <= 0xDFFF))
-      return 0;
-    if (val > 0xFFFF) {
-      if (*start == '0')	// no leading zeros allowed if > 0xFFFF
-	return 0;
-    }
-    else if (p - start != 4)	// otherwise, check for exactly 4 hex digits
-      return 0;
-    if (*p == '\0')
-      break;
-    p++;
-  }
-  return u;
-}