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diff --git a/ldmicro/lang.cpp b/ldmicro/lang.cpp
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+//-----------------------------------------------------------------------------
+// Copyright 2007 Jonathan Westhues
+//
+// This file is part of LDmicro.
+// 
+// LDmicro 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 3 of the License, or
+// (at your option) any later version.
+// 
+// LDmicro 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 LDmicro.  If not, see <http://www.gnu.org/licenses/>.
+//------
+//
+// Multiple language support. For every non-English language, we have a 
+// table that maps the English strings to the translated strings. An
+// internationalized version of the program will attempt to translate any
+// string that is passed, using the appropriate (selected by a #define)
+// table. If it fails then it just returns the English.
+// Jonathan Westhues, Apr 2007
+//-----------------------------------------------------------------------------
+#include "linuxUI.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "ldmicro.h"
+
+typedef struct LangTableTag {
+    char *from;
+    char *to;
+} LangTable;
+
+typedef struct LangTag {
+    LangTable   *tab;
+    int          n;
+} Lang;
+
+// These are the actual translation tables, so should be included in just
+// one place.
+#include "obj/lang-tables.h"
+
+char *_(char *in)
+{
+    Lang *l;
+
+#if defined(LDLANG_EN)
+    return in;
+#elif defined(LDLANG_DE)
+    l = &LangDe;
+#elif defined(LDLANG_FR)
+    l = &LangFr;
+#elif defined(LDLANG_ES)
+    l = &LangEs;
+#elif defined(LDLANG_IT)
+    l = &LangIt;
+#elif defined(LDLANG_TR)
+    l = &LangTr;
+#elif defined(LDLANG_PT)
+    l = &LangPt;
+#else
+#   error "Unrecognized language!"
+#endif
+
+    int i;
+
+    for(i = 0; i < l->n; i++) {
+        if(strcmp(in, l->tab[i].from)==0) {
+            return l->tab[i].to;
+        }
+    }
+
+    return in;
+}